11:32 a.m.
The following message is a courtesy copy of an article
that has been posted to gnu.emacs.gnus as well.
Hi.
When I try to read the article that I am following up on:
From: giglio robbo' d'acciaio <dgiglio(a)iol.it>
Newsgroups: gnu.emacs.gnus
Subject: Improving faces inserting
Message-ID: <mailman.11013.1209635836.18990.info-gnus-english(a)gnu.org>
Date: Wed, 30 Apr 2008 18:26:35 +0200
XEmacs/Gnus hangs - the display becomes unresponsive. C-g does nothing.
In the end I just ran 'killall xemacs'.
I can read the raw message if I go C-u RET, so something must be going
on with the display-stuff.
Versions:
No Gnus v0.7 (cvs from 2008-03-25)
XEmacs 21.4 (patch 21) "Educational Television" [Lucid] (powerpc-linux-gnu,
Mule) of Thu Mar 13 2008 on voltaire
xorg 1:7.3+10
Debian unstable/Powerpc
Here is the output in the terminal I started xemacs from:
== =
asjo＠topper:~$ xemacs
*** glibc detected *** xemacs: double free or corruption (!prev): 0x10a344b0 ***
======= Backtrace: =========
/lib/libc.so.6[0xf70ec88]
/lib/libc.so.6(cfree+0xcc)[0xf71133c]
xemacs(xfree+0x10)[0x10045220]
xemacs[0x1012f78c]
xemacs(unbind_to+0x148)[0x100883c8]
xemacs[0x1012f4f0]
xemacs[0x1012c898]
xemacs[0x1012d094]
xemacs[0x10089e20]
xemacs(internal_catch+0xd0)[0x10087dc0]
xemacs(call_with_suspended_errors+0x208)[0x100898a8]
xemacs[0x101a4444]
xemacs(specifier_instance+0x16c)[0x101a63dc]
xemacs[0x1012c0fc]
xemacs(get_glyph_cachel_index+0x84)[0x1012c414]
xemacs[0x10177794]
xemacs[0x1017fe14]
xemacs[0x10181b18]
xemacs[0x10185e70]
xemacs[0x101859fc]
xemacs(redisplay_frame+0x12c)[0x1018719c]
xemacs[0x101876ac]
xemacs(redisplay+0x10c)[0x10187c5c]
xemacs(Fnext_event+0xb28)[0x100e2138]
xemacs(Fcommand_loop_1+0x140)[0x10063ca0]
xemacs(condition_case_1+0x178)[0x1008acf8]
xemacs[0x10063fc8]
xemacs(internal_catch+0xd0)[0x10087dc0]
xemacs(initial_command_loop+0x1c4)[0x10064454]
xemacs(xemacs_21_4_21_powerpc_unknown_linux+0x9ac)[0x100853dc]
xemacs[0x10085d94]
/lib/libc.so.6[0xf6ad720]
/lib/libc.so.6[0xf6ad8e0]
======= Memory map: ========
00100000-00103000 r-xp 00100000 00:00 0 [vdso]
0f1e8000-0f1ec000 r-xp 00000000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1ec000-0f1fb000 ---p 00004000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1fb000-0f1fc000 r--p 00003000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1fc000-0f1fd000 rw-p 00004000 03:03 48522245 /lib/libnss_dns-2.7.so
0f20d000-0f213000 r-xp 00000000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f213000-0f222000 ---p 00006000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f222000-0f223000 rw-p 00005000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f233000-0f239000 r-xp 00000000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f239000-0f248000 ---p 00006000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f248000-0f249000 rwxp 00005000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f259000-0f265000 r-xp 00000000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f265000-0f274000 ---p 0000c000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f274000-0f275000 rw-p 0000b000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f285000-0f290000 r-xp 00000000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f290000-0f29f000 ---p 0000b000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f29f000-0f2a0000 rw-p 0000a000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f2b0000-0f2b2000 r-xp 00000000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2b2000-0f2c1000 ---p 00002000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2c1000-0f2c2000 r--p 00001000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2c2000-0f2c3000 rw-p 00002000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2d3000-0f2dd000 r-xp 00000000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2dd000-0f2ed000 ---p 0000a000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2ed000-0f2ee000 r--p 0000a000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2ee000-0f2ef000 rw-p 0000b000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2ff000-0f315000 r-xp 00000000 03:03 48323667 /lib/libnsl-2.7.so
0f315000-0f325000 ---p 00016000 03:03 48323667 /lib/libnsl-2.7.so
0f325000-0f326000 r--p 00016000 03:03 48323667 /lib/libnsl-2.7.so
0f326000-0f327000 rw-p 00017000 03:03 48323667 /lib/libnsl-2.7.so
0f327000-0f329000 rw-p 0f327000 00:00 0
0f339000-0f341000 r-xp 00000000 03:03 48323669 /lib/libnss_compat-2.7.so
0f341000-0f350000 ---p 00008000 03:03 48323669 /lib/libnss_compat-2.7.so
0f350000-0f351000 r--p 00007000 03:03 48323669 /lib/libnss_compat-2.7.so
0f351000-0f352000 rw-p 00008000 03:03 48323669 /lib/libnss_compat-2.7.so
0f362000-0f36d000 r-xp 00000000 03:03 48538085 /lib/libnss_files-2.7.so
0f36d000-0f37c000 ---p 0000b000 03:03 48538085 /lib/libnss_files-2.7.so
0f37c000-0f37d000 r--p 0000a000 03:03 48538085 /lib/libnss_files-2.7.so
0f37d000-0f37e000 rw-p 0000b000 03:03 48538085 /lib/libnss_files-2.7.so
0f38e000-0f3ff000 r-xp 00000000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f3ff000-0f40f000 ---p 00071000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f40f000-0f411000 rw-p 00071000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f421000-0f425000 r-xp 00000000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f425000-0f434000 ---p 00004000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f434000-0f435000 rwxp 00003000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f445000-0f455000 r-xp 00000000 03:03 151529797 /usr/lib/libtasn1.so.3.0.15
0f455000-0f456000 rw-p 00010000 03:03 151529797 /usr/lib/libtasn1.so.3.0.15
0f466000-0f4ed000 r-xp 00000000 03:03 151538537 /usr/lib/libgnutls.so.26.1.3
0f4ed000-0f4fc000 ---p 00087000 03:03 151538537 /usr/lib/libgnutls.so.26.1.3
0f4fc000-0f503000 rw-p 00086000 03:03 151538537 /usr/lib/libgnutls.so.26.1.3
0f513000-0f52f000 r-xp 00000000 03:03 151747883 /usr/lib/libsasl2.so.2.0.22
0f52f000-0f53f000 ---p 0001c000 03:03 151747883 /usr/lib/libsasl2.so.2.0.22
0f53f000-0f540000 rw-p 0001c000 03:03 151747883 /usr/lib/libsasl2.so.2.0.22
0f550000-0f561000 r-xp 00000000 03:03 48538091 /lib/libresolv-2.7.so
0f561000-0f570000 ---p 00011000 03:03 48538091 /lib/libresolv-2.7.so
0f570000-0f571000 r--p 00010000 03:03 48538091 /lib/libresolv-2.7.so
0f571000-0f572000 rw-p 00011000 03:03 48538091 /lib/libresolv-2.7.so
0f572000-0f574000 rw-p 0f572000 00:00 0
0f584000-0f59b000 r-xp 00000000 03:03 48538090 /lib/libpthread-2.7.so
0f59b000-0f5aa000 ---p 00017000 03:03 48538090 /lib/libpthread-2.7.so
0f5aa000-0f5ab000 r--p 00016000 03:03 48538090 /lib/libpthread-2.7.so
0f5ab000-0f5ac000 rw-p 00017000 03:03 48538090 /lib/libpthread-2.7.so
0f5ac000-0f5ae000 rw-p 0f5ac000 00:00 0
0f5be000-0f5c4000 r-xp 00000000 03:03 151538391 /usr/lib/libXdmcp.so.6.0.0
0f5c4000-0f5d3000 ---p 00006000 03:03 151538391 /usr/lib/libXdmcp.so.6.0.0
0f5d3000-0f5d4000 rwxp 00005000 03:03 151538391 /usr/lib/libXdmcp.so.6.0.0
0f5e4000-0f5e7000 r-xp 00000000 03:03 151538383 /usr/lib/libXau.so.6.0.0
0f5e7000-0f5f6000 ---p 00003000 03:03 151538383 /usr/lib/libXau.so.6.0.0
0f5f6000-0f5f7000 rwxp 00002000 03:03 151538383 /usr/lib/libXau.so.6.0.0
0f607000-0f61c000 r-xp 00000000 03:03 151538265 /usr/lib/libz.so.1.2.3.3
0f61c000-0f62b000 ---p 00015000 03:03 151538265 /usr/lib/libz.so.1.2.3.3
0f62b000-0f62c000 rw-p 00014000 03:03 151538265 /usr/lib/libz.so.1.2.3.3
0f63c000-0f64b000 r-xp 00000000 03:03 151747901 /usr/lib/liblber-2.4.so.2.0.3
0f64b000-0f65a000 ---p 0000f000 03:03 151747901 /usr/lib/liblber-2.4.so.2.0.3
0f65a000-0f65b000 rw-p 0000e000 03:03 151747901 /usr/lib/liblber-2.4.so.2.0.3
0f66b000-0f66e000 r-xp 00000000 03:03 47646927 /lib/libdl-2.7.so
0f66e000-0f67d000 ---p 00003000 03:03 47646927 /lib/libdl-2.7.so
0f67d000-0f67e000 r--p 00002000 03:03 47646927 /lib/libdl-2.7.so
0f67e000-0f67f000 rw-p 00003000 03:03 47646927 /lib/libdl-2.7.so
0f68f000-0f7ed000 r-xp 00000000 03:03 47598811 /lib/libc-2.7.so
0f7ed000-0f7fd000 ---p 0015e000 03:03 47598811 /lib/libc-2.7.so
0f7fd000-0f7fe000 r--p 0015e000 03:03 47598811 /lib/libc-2.7.so
0f7fe000-0f802000 rw-p 0015f000 03:03 47598811 /lib/libc-2.7.so
0f802000-0f805000 rw-p 0f802000 00:00 0
0f815000-0f817000 r-xp 00000000 03:03 48538095 /lib/libutil-2.7.so
0f817000-0f826000 ---p 00002000 03:03 48538095 /lib/libutil-2.7.so
0f826000-0f827000 r--p 00001000 03:03 48538095 /lib/libutil-2.7.so
0f827000-0f828000 rw-p 00002000 03:03 48538095 /lib/libutil-2.7.so
0f838000-0f8e1000 r-xp 00000000 03:03 47646931 /lib/libm-2.7.so
0f8e1000-0f8f1000 ---p 000a9000 03:03 47646931 /lib/libm-2.7.so
0f8f1000-0f8f4000 r--p 000a9000 03:03 47646931 /lib/libm-2.7.so
0f8f4000-0f8f5000 rw-p 000ac000 03:03 47646931 /lib/libm-2.7.so
0f905000-0f94f000 r-xp 00000000 03:03 151747902 /usr/lib/libldap_r-2.4.so.2.0.3
0f94f000-0f95e000 ---p 0004a000 03:03 151747902 /usr/lib/libldap_r-2.4.so.2.0.3
0f95e000-0f961000 rw-p 00049000 03:03 151747902 /usr/lib/libldap_r-2.4.so.2.0.3
0f961000-0f962000 rw-p 0f961000 00:00 0
0f972000-0f9ac000 r-xp 00000000 03:03 47743191 /lib/libncurses.so.5.6
0f9ac000-0f9bc000 ---p 0003a000 03:03 47743191 /lib/libncurses.so.5.6
0f9bc000-0f9bf000 rw-p 0003a000 03:03 47743191 /lib/libncurses.so.5.6
0f9cf000-0f9d6000 r-xp 00000000 03:03 151608237 /usr/lib/libgpm.so.1.19.6
0f9d6000-0f9e5000 ---p 00007000 03:03 151608237 /usr/lib/libgpm.so.1.19.6
0f9e5000-0f9e6000 rw-p 00006000 03:03 151608237 /usr/lib/libgpm.so.1.19.6
0f9f6000-0fb51000 r-xp 00000000 03:03 151607193 /usr/lib/libdb-4.6.so
0fb51000-0fb60000 ---p 0015b000 03:03 151607193 /usr/lib/libdb-4.6.so
0fb60000-0fb66000 rw-p 0015a000 03:03 151607193 /usr/lib/libdb-4.6.so
0fb76000-0fb8f000 r-xp 00000000 03:03 151538543 /usr/lib/libICE.so.6.3.0
0fb8f000-0fb9f000 ---p 00019000 03:03 151538543 /usr/lib/libICE.so.6.3.0
0fb9f000-0fba0000 rw-p 00019000 03:03 151538543 /usr/lib/libICE.so.6.3.0
0fba0000-0fba2000 rw-p 0fba0000 00:00 0
0fbb2000-0fbbb000 r-xp 00000000 03:03 152731724 /usr/lib/libSM.so.6.0.0
0fbbb000-0fbca000 ---p 00009000 03:03 152731724 /usr/lib/libSM.so.6.0.0
0fbca000-0fbcb000 rw-p 00008000 03:03 152731724 /usr/lib/libSM.so.6.0.0
0fbdb000-0fce7000 r-xp 00000000 03:03 151538539 /usr/lib/libX11.so.6.2.0
0fce7000-0fcf7000 ---p 0010c000 03:03 151538539 /usr/lib/libX11.so.6.2.0
0fcf7000-0fcfc000 rwxp 0010c000 03:03 151538539 /usr/lib/libX11.so.6.2.0
0fcfc000-0fcfe000 rwxp 0fcfc000 00:00 0
0fd0e000-0fd23000 r-xp 00000000 03:03 151538375 /usr/lib/libXext.so.6.4.0
0fd23000-0fd32000 ---p 00015000 03:03 151538375 /usr/lib/libXext.so.6.4.0
0fd32000-0fd33000 rw-p 00014000 03:03 151538375 /usr/lib/libXext.so.6.4.0
0fd43000-0fda5000 r-xp 00000000 03:03 153143560 /usr/lib/libXt.so.6.0.0
0fda5000-0fdb4000 ---p 00062000 03:03 153143560 /usr/lib/libXt.so.6.0.0
0fdb4000-0fdb9000 rw-p 00061000 03:03 153143560 /usr/lib/libXt.so.6.0.0
0fdc9000-0fde3000 r-xp 00000000 03:03 151539097 /usr/lib/libXmu.so.6.2.0
0fde3000-0fdf2000 ---p 0001a000 03:03 151539097 /usr/lib/libXmu.so.6.2.0
0fdf2000-0fdf4000 rw-p 00019000 03:03 151539097 /usr/lib/libXmu.so.6.2.0
0fe04000-0fe16000 r-xp 00000000 03:03 151538640 /usr/lib/libXpm.so.4.11.0
0fe16000-0fe25000 ---p 00012000 03:03 151538640 /usr/lib/libXpm.so.4.11.0
0fe25000-0fe26000 rw-p 00011000 03:03 151538640 /usr/lib/libXpm.so.4.11.0
0fe36000-0fe3a000 r-xp 00000000 03:03 151539596 /usr/lib/libcompface.so.1.0.0
0fe3a000-0fe4a000 ---p 00004000 03:03 151539596 /usr/lib/libcompface.so.1.0.0
0fe4a000-0fe4c000 rwxp 00004000 03:03 151539596 /usr/lib/libcompface.so.1.0.0
0fe4c000-0fe52000 rwxp 0fe4c000 00:00 0
0fe62000-0fe88000 r-xp 00000000 03:03 151538977 /usr/lib/libjpeg.so.62.0.0
0fe88000-0fe98000 ---p 00026000 03:03 151538977 /usr/lib/libjpeg.so.62.0.0
0fe98000-0fe99000 rw-p 00026000 03:03 151538977 /usr/lib/libjpeg.so.62.0.0
0fea9000-0fed0000 r-xp 00000000 03:03 151539461 /usr/lib/libpng12.so.0.26.0
0fed0000-0fedf000 ---p 00027000 03:03 151539461 /usr/lib/libpng12.so.0.26.0
0fedf000-0fee0000 rw-p 00026000 03:03 151539461 /usr/lib/libpng12.so.0.26.0
0fef0000-0ff4f000 r-xp 00000000 03:03 151667962 /usr/lib/libtiff.so.4.2.1
0ff4f000-0ff5f000 ---p 0005f000 03:03 151667962 /usr/lib/libtiff.so.4.2.1
0ff5f000-0ff62000 rw-p 0005f000 03:03 151667962 /usr/lib/libtiff.so.4.2.1
0ff72000-0ffda000 r-xp 00000000 03:03 151538629 /usr/lib/libXaw7.so.7.0.0
0ffda000-0ffe9000 ---p 00068000 03:03 151538629 /usr/lib/libXaw7.so.7.0.0
0ffe9000-0fff0000 rw-p 00067000 03:03 151538629 /usr/lib/libXaw7.so.7.0.0
10000000-10235000 r-xp 00000000 03:03 383120032 /usr/bin/xemacs-21.4.21-mule
10244000-1024f000 rw-p 00234000 03:03 383120032 /usr/bin/xemacs-21.4.21-mule
1024f000-11957000 rwxp 1024f000 00:00 0 [heap]
48000000-4801f000 r-xp 00000000 03:03 47598789 /lib/ld-2.7.so
4801f000-48028000 rw-p 4801f000 00:00 0
48028000-48029000 r--p 00348000 03:03 346275627 /usr/lib/locale/locale-archive
48029000-4802a000 r--p 00000000 03:03 246031880
/usr/share/locale/en_GB/LC_MESSAGES/libc.mo
4802f000-48031000 rw-p 0001f000 03:03 47598789 /lib/ld-2.7.so
48031000-482c6000 rw-p 00000000 03:03 346255937
/usr/lib/xemacs-21.4.21/powerpc-linux-gnu/mule/DUMP
482c6000-484c6000 r--p 00000000 03:03 346275627 /usr/lib/locale/locale-archive
484c6000-48a93000 rw-p 484c6000 00:00 0
48a93000-48a9a000 r--s 00000000 03:03 115942541 /usr/lib/gconv/gconv-modules.cache
48a9a000-48b0f000 rw-p 48a9a000 00:00 0
bf8da000-bf9a0000 rw-p bff3a000 00:00 0 [stack]
Fatal error (6).
Your files have been auto-saved.
Use `M-x recover-session' to recover them.
Your version of XEmacs was distributed with a PROBLEMS file that may describe
your crash, and with luck a workaround. Please check it first, but do report
the crash anyway. Please report this bug by invoking M-x report-emacs-bug,
or by selecting `Send Bug Report' from the Help menu. If necessary, send
ordinary email to `xemacs-beta(a)xemacs.org'. *MAKE SURE* to include the XEmacs
configuration from M-x describe-installation, or equivalently the file
Installation in the top of the build tree.
*Please* try *hard* to obtain a C stack backtrace; without it, we are unlikely
to be able to analyze the problem. Locate the core file produced as a result
of this crash (often called `core' or `core.<process-id>', and located in
the directory in which you started XEmacs or your home directory), and type
gdb /usr/bin/xemacs core
then type `where' at the debugger prompt. No GDB on your system? You may
have DBX, or XDB, or SDB. (Ask your system administrator if you need help.)
If no core file was produced, enable them (often with `ulimit -c unlimited'
in case of future recurrance of the crash.
== =
I could _not_ find a core-file; even though I have:
asjo＠topper:~$ ulimit -c
unlimited
So instead I ran gdb '/usr/bin/xemacs', triggered the error and asked
for a backtrace there (that is the extent that I know gdb):
== =
asjo＠topper:~$ gdb /usr/bin/xemacs
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "powerpc-linux-gnu"...
(no debugging symbols found)
(gdb) run
Starting program: /usr/bin/xemacs
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[New Thread 0x48026cc0 (LWP 3914)]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
*** glibc detected *** /usr/bin/xemacs: double free or corruption (!prev): 0x11642dc0 ***
======= Backtrace: =========
/lib/libc.so.6[0xf70ec88]
/lib/libc.so.6(cfree+0xcc)[0xf71133c]
/usr/bin/xemacs(xfree+0x10)[0x10045220]
/usr/bin/xemacs[0x1012f78c]
/usr/bin/xemacs(unbind_to+0x148)[0x100883c8]
/usr/bin/xemacs[0x1012f4f0]
/usr/bin/xemacs[0x1012c898]
/usr/bin/xemacs[0x1012d094]
/usr/bin/xemacs[0x10089e20]
/usr/bin/xemacs(internal_catch+0xd0)[0x10087dc0]
/usr/bin/xemacs(call_with_suspended_errors+0x208)[0x100898a8]
/usr/bin/xemacs[0x101a4444]
/usr/bin/xemacs(specifier_instance+0x16c)[0x101a63dc]
/usr/bin/xemacs(invalidate_glyph_geometry_maybe+0xfc)[0x10123d1c]
/usr/bin/xemacs[0x10177788]
/usr/bin/xemacs[0x1017fe14]
/usr/bin/xemacs[0x10181b18]
/usr/bin/xemacs[0x10185e70]
/usr/bin/xemacs[0x101859fc]
/usr/bin/xemacs(redisplay_frame+0x12c)[0x1018719c]
/usr/bin/xemacs[0x101876ac]
/usr/bin/xemacs(redisplay+0x10c)[0x10187c5c]
/usr/bin/xemacs(Fnext_event+0xb28)[0x100e2138]
/usr/bin/xemacs(Fcommand_loop_1+0x140)[0x10063ca0]
/usr/bin/xemacs(condition_case_1+0x178)[0x1008acf8]
/usr/bin/xemacs[0x10063fc8]
/usr/bin/xemacs(internal_catch+0xd0)[0x10087dc0]
/usr/bin/xemacs(initial_command_loop+0x1c4)[0x10064454]
/usr/bin/xemacs(xemacs_21_4_21_powerpc_unknown_linux+0x9ac)[0x100853dc]
/usr/bin/xemacs[0x10085d94]
/lib/libc.so.6[0xf6ad720]
/lib/libc.so.6[0xf6ad8e0]
======= Memory map: ========
00100000-00103000 r-xp 00100000 00:00 0 [vdso]
0f1e8000-0f1ec000 r-xp 00000000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1ec000-0f1fb000 ---p 00004000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1fb000-0f1fc000 r--p 00003000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1fc000-0f1fd000 rw-p 00004000 03:03 48522245 /lib/libnss_dns-2.7.so
0f20d000-0f213000 r-xp 00000000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f213000-0f222000 ---p 00006000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f222000-0f223000 rw-p 00005000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f233000-0f239000 r-xp 00000000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f239000-0f248000 ---p 00006000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f248000-0f249000 rwxp 00005000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f259000-0f265000 r-xp 00000000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f265000-0f274000 ---p 0000c000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f274000-0f275000 rw-p 0000b000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f285000-0f290000 r-xp 00000000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f290000-0f29f000 ---p 0000b000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f29f000-0f2a0000 rw-p 0000a000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f2b0000-0f2b2000 r-xp 00000000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2b2000-0f2c1000 ---p 00002000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2c1000-0f2c2000 r--p 00001000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2c2000-0f2c3000 rw-p 00002000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2d3000-0f2dd000 r-xp 00000000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2dd000-0f2ed000 ---p 0000a000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2ed000-0f2ee000 r--p 0000a000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2ee000-0f2ef000 rw-p 0000b000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2ff000-0f315000 r-xp 00000000 03:03 48323667 /lib/libnsl-2.7.so
0f315000-0f325000 ---p 00016000 03:03 48323667 /lib/libnsl-2.7.so
0f325000-0f326000 r--p 00016000 03:03 48323667 /lib/libnsl-2.7.so
0f326000-0f327000 rw-p 00017000 03:03 48323667 /lib/libnsl-2.7.so
0f327000-0f329000 rw-p 0f327000 00:00 0
0f339000-0f341000 r-xp 00000000 03:03 48323669 /lib/libnss_compat-2.7.so
0f341000-0f350000 ---p 00008000 03:03 48323669 /lib/libnss_compat-2.7.so
0f350000-0f351000 r--p 00007000 03:03 48323669 /lib/libnss_compat-2.7.so
0f351000-0f352000 rw-p 00008000 03:03 48323669 /lib/libnss_compat-2.7.so
0f362000-0f36d000 r-xp 00000000 03:03 48538085 /lib/libnss_files-2.7.so
0f36d000-0f37c000 ---p 0000b000 03:03 48538085 /lib/libnss_files-2.7.so
0f37c000-0f37d000 r--p 0000a000 03:03 48538085 /lib/libnss_files-2.7.so
0f37d000-0f37e000 rw-p 0000b000 03:03 48538085 /lib/libnss_files-2.7.so
0f38e000-0f3ff000 r-xp 00000000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f3ff000-0f40f000 ---p 00071000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f40f000-0f411000 rw-p 00071000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f421000-0f425000 r-xp 00000000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f425000-0f434000 ---p 00004000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f434000-0f435000 rwxp 00003000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f445000-0f455000 r-xp 00000000 03:03 151529797 /usr/lib/libtasn1.so.3.0.15
0f455000-0f456000 rw-p 00010000 03:03 151529797 /usr/lib/libtasn1.so.3.0.15
0f466000-0f4ed000 r-xp 00000000 03:03 151538537 /usr/lib/libgnutls.so.26.1.3
0f4ed000-0f4fc000 ---p 00087000 03:03 151538537 /usr/lib/libgnutls.so.26.1.3
0f4fc000-0f503000 rw-p 00086000 03:03 151538537 /usr/lib/libgnutls.so.26.1.3
0f513000-0f52f000 r-xp 00000000 03:03 151747883 /usr/lib/libsasl2.so.2.0.22
0f52f000-0f53f000 ---p 0001c000 03:03 151747883 /usr/lib/libsasl2.so.2.0.22
0f53f000-0f540000 rw-p 0001c000 03:03 151747883 /usr/lib/libsasl2.so.2.0.22
0f550000-0f561000 r-xp 00000000 03:03 48538091 /lib/libresolv-2.7.so
0f561000-0f570000 ---p 00011000 03:03 48538091 /lib/libresolv-2.7.so
0f570000-0f571000 r--p 00010000 03:03 48538091 /lib/libresolv-2.7.so
0f571000-0f572000 rw-p 00011000 03:03 48538091 /lib/libresolv-2.7.so
0f572000-0f574000 rw-p 0f572000 00:00 0
0f584000-0f59b000 r-xp 00000000 03:03 48538090 /lib/libpthread-2.7.so
0f59b000-0f5aa000 ---p 00017000 03:03 48538090 /lib/libpthread-2.7.so
0f5aa000-0f5ab000 r--p 00016000 03:03 48538090 /lib/libpthread-2.7.so
0f5ab000-0f5ac000 rw-p 00017000 03:03 48538090 /lib/libpthread-2.7.so
0f5ac000-0f5ae000 rw-p 0f5ac000 00:00 0
0f5be000-0f5c4000 r-xp 00000000 03:03 151538391 /usr/lib/libXdmcp.so.6.0.0
0f5c4000-0f5d3000 ---p 00006000 03:03 151538391 /usr/lib/libXdmcp.so.6.0.0
0f5d3000-0f5d4000 rwxp 00005000 03:03 151538391 /usr/lib/libXdmcp.so.6.0.0
0f5e4000-0f5e7000 r-xp 00000000 03:03 151538383 /usr/lib/libXau.so.6.0.0
0f5e7000-0f5f6000 ---p 00003000 03:03 151538383 /usr/lib/libXau.so.6.0.0
0f5f6000-0f5f7000 rwxp 00002000 03:03 151538383 /usr/lib/libXau.so.6.0.0
0f607000-0f61c000 r-xp 00000000 03:03 151538265 /usr/lib/libz.so.1.2.3.3
0f61c000-0f62b000 ---p 00015000 03:03 151538265 /usr/lib/libz.so.1.2.3.3
0f62b000-0f62c000 rw-p 00014000 03:03 151538265 /usr/lib/libz.so.1.2.3.3
0f63c000-0f64b000 r-xp 00000000 03:03 151747901 /usr/lib/liblber-2.4.so.2.0.3
0f64b000-0f65a000 ---p 0000f000 03:03 151747901 /usr/lib/liblber-2.4.so.2.0.3
0f65a000-0f65b000 rw-p 0000e000 03:03 151747901 /usr/lib/liblber-2.4.so.2.0.3
0f66b000-0f66e000 r-xp 00000000 03:03 47646927 /lib/libdl-2.7.so
0f66e000-0f67d000 ---p 00003000 03:03 47646927 /lib/libdl-2.7.so
0f67d000-0f67e000 r--p 00002000 03:03 47646927 /lib/libdl-2.7.so
0f67e000-0f67f000 rw-p 00003000 03:03 47646927 /lib/libdl-2.7.so
0f68f000-0f7ed000 r-xp 00000000 03:03 47598811 /lib/libc-2.7.so
0f7ed000-0f7fd000 ---p 0015e000 03:03 47598811 /lib/libc-2.7.so
0f7fd000-0f7fe000 r--p 0015e000 03:03 47598811 /lib/libc-2.7.so
0f7fe000-0f802000 rw-p 0015f000 03:03 47598811 /lib/libc-2.7.so
0f802000-0f805000 rw-p 0f802000 00:00 0
0f815000-0f817000 r-xp 00000000 03:03 48538095 /lib/libutil-2.7.so
0f817000-0f826000 ---p 00002000 03:03 48538095 /lib/libutil-2.7.so
0f826000-0f827000 r--p 00001000 03:03 48538095 /lib/libutil-2.7.so
0f827000-0f828000 rw-p 00002000 03:03 48538095 /lib/libutil-2.7.so
0f838000-0f8e1000 r-xp 00000000 03:03 47646931 /lib/libm-2.7.so
0f8e1000-0f8f1000 ---p 000a9000 03:03 47646931 /lib/libm-2.7.so
0f8f1000-0f8f4000 r--p 000a9000 03:03 47646931 /lib/libm-2.7.so
0f8f4000-0f8f5000 rw-p 000ac000 03:03 47646931 /lib/libm-2.7.so
0f905000-0f94f000 r-xp 00000000 03:03 151747902 /usr/lib/libldap_r-2.4.so.2.0.3
0f94f000-0f95e000 ---p 0004a000 03:03 151747902 /usr/lib/libldap_r-2.4.so.2.0.3
0f95e000-0f961000 rw-p 00049000 03:03 151747902 /usr/lib/libldap_r-2.4.so.2.0.3
0f961000-0f962000 rw-p 0f961000 00:00 0
0f972000-0f9ac000 r-xp 00000000 03:03 47743191 /lib/libncurses.so.5.6
0f9ac000-0f9bc000 ---p 0003a000 03:03 47743191 /lib/libncurses.so.5.6
0f9bc000-0f9bf000 rw-p 0003a000 03:03 47743191 /lib/libncurses.so.5.6
0f9cf000-0f9d6000 r-xp 00000000 03:03 151608237 /usr/lib/libgpm.so.1.19.6
0f9d6000-0f9e5000 ---p 00007000 03:03 151608237 /usr/lib/libgpm.so.1.19.6
0f9e5000-0f9e6000 rw-p 00006000 03:03 151608237 /usr/lib/libgpm.so.1.19.6
0f9f6000-0fb51000 r-xp 00000000 03:03 151607193 /usr/lib/libdb-4.6.so
0fb51000-0fb60000 ---p 0015b000 03:03 151607193 /usr/lib/libdb-4.6.so
0fb60000-0fb66000 rw-p 0015a000 03:03 151607193 /usr/lib/libdb-4.6.so
0fb76000-0fb8f000 r-xp 00000000 03:03 151538543 /usr/lib/libICE.so.6.3.0
0fb8f000-0fb9f000 ---p 00019000 03:03 151538543 /usr/lib/libICE.so.6.3.0
0fb9f000-0fba0000 rw-p 00019000 03:03 151538543 /usr/lib/libICE.so.6.3.0
0fba0000-0fba2000 rw-p 0fba0000 00:00 0
0fbb2000-0fbbb000 r-xp 00000000 03:03 152731724 /usr/lib/libSM.so.6.0.0
0fbbb000-0fbca000 ---p 00009000 03:03 152731724 /usr/lib/libSM.so.6.0.0
0fbca000-0fbcb000 rw-p 00008000 03:03 152731724 /usr/lib/libSM.so.6.0.0
0fbdb000-0fce7000 r-xp 00000000 03:03 151538539 /usr/lib/libX11.so.6.2.0
0fce7000-0fcf7000 ---p 0010c000 03:03 151538539 /usr/lib/libX11.so.6.2.0
0fcf7000-0fcfc000 rwxp 0010c000 03:03 151538539 /usr/lib/libX11.so.6.2.0
0fcfc000-0fcfe000 rwxp 0fcfc000 00:00 0
0fd0e000-0fd23000 r-xp 00000000 03:03 151538375 /usr/lib/libXext.so.6.4.0
0fd23000-0fd32000 ---p 00015000 03:03 151538375 /usr/lib/libXext.so.6.4.0
0fd32000-0fd33000 rw-p 00014000 03:03 151538375 /usr/lib/libXext.so.6.4.0
0fd43000-0fda5000 r-xp 00000000 03:03 153143560 /usr/lib/libXt.so.6.0.0
0fda5000-0fdb4000 ---p 00062000 03:03 153143560 /usr/lib/libXt.so.6.0.0
0fdb4000-0fdb9000 rw-p 00061000 03:03 153143560 /usr/lib/libXt.so.6.0.0
0fdc9000-0fde3000 r-xp 00000000 03:03 151539097 /usr/lib/libXmu.so.6.2.0
0fde3000-0fdf2000 ---p 0001a000 03:03 151539097 /usr/lib/libXmu.so.6.2.0
0fdf2000-0fdf4000 rw-p 00019000 03:03 151539097 /usr/lib/libXmu.so.6.2.0
0fe04000-0fe16000 r-xp 00000000 03:03 151538640 /usr/lib/libXpm.so.4.11.0
0fe16000-0fe25000 ---p 00012000 03:03 151538640 /usr/lib/libXpm.so.4.11.0
0fe25000-0fe26000 rw-p 00011000 03:03 151538640 /usr/lib/libXpm.so.4.11.0
0fe36000-0fe3a000 r-xp 00000000 03:03 151539596 /usr/lib/libcompface.so.1.0.0
0fe3a000-0fe4a000 ---p 00004000 03:03 151539596 /usr/lib/libcompface.so.1.0.0
0fe4a000-0fe4c000 rwxp 00004000 03:03 151539596 /usr/lib/libcompface.so.1.0.0
0fe4c000-0fe52000 rwxp 0fe4c000 00:00 0
0fe62000-0fe88000 r-xp 00000000 03:03 151538977 /usr/lib/libjpeg.so.62.0.0
0fe88000-0fe98000 ---p 00026000 03:03 151538977 /usr/lib/libjpeg.so.62.0.0
0fe98000-0fe99000 rw-p 00026000 03:03 151538977 /usr/lib/libjpeg.so.62.0.0
0fea9000-0fed0000 r-xp 00000000 03:03 151539461 /usr/lib/libpng12.so.0.26.0
0fed0000-0fedf000 ---p 00027000 03:03 151539461 /usr/lib/libpng12.so.0.26.0
0fedf000-0fee0000 rw-p 00026000 03:03 151539461 /usr/lib/libpng12.so.0.26.0
0fef0000-0ff4f000 r-xp 00000000 03:03 151667962 /usr/lib/libtiff.so.4.2.1
0ff4f000-0ff5f000 ---p 0005f000 03:03 151667962 /usr/lib/libtiff.so.4.2.1
0ff5f000-0ff62000 rw-p 0005f000 03:03 151667962 /usr/lib/libtiff.so.4.2.1
0ff72000-0ffda000 r-xp 00000000 03:03 151538629 /usr/lib/libXaw7.so.7.0.0
0ffda000-0ffe9000 ---p
Program received signal SIGABRT, Aborted.
[Switching to Thread 0x48026cc0 (LWP 3914)]
0x0f6c5e5c in raise () from /lib/libc.so.6
(gdb) bt
#0 0x0f6c5e5c in raise () from /lib/libc.so.6
#1 0x0f6c7af4 in abort () from /lib/libc.so.6
#2 0x0f7070d4 in ?? () from /lib/libc.so.6
#3 0x0f70ec88 in ?? () from /lib/libc.so.6
#4 0x0f71133c in free () from /lib/libc.so.6
#5 0x10045220 in xfree ()
#6 0x1012f78c in ?? ()
#7 0x100883c8 in unbind_to ()
#8 0x1012f4f0 in ?? ()
#9 0x1012c898 in ?? ()
#10 0x1012d094 in ?? ()
#11 0x10089e20 in ?? ()
#12 0x10087dc0 in internal_catch ()
#13 0x100898a8 in call_with_suspended_errors ()
#14 0x101a4444 in ?? ()
#15 0x101a63dc in specifier_instance ()
#16 0x10123d1c in invalidate_glyph_geometry_maybe ()
#17 0x10177788 in ?? ()
#18 0x1017fe14 in ?? ()
#19 0x10181b18 in ?? ()
#20 0x10185e70 in ?? ()
#21 0x101859fc in ?? ()
#22 0x1018719c in redisplay_frame ()
#23 0x101876ac in ?? ()
#24 0x10187c5c in redisplay ()
#25 0x100e2138 in Fnext_event ()
#26 0x10063ca0 in Fcommand_loop_1 ()
#27 0x1008acf8 in condition_case_1 ()
#28 0x10063fc8 in ?? ()
#29 0x10087dc0 in internal_catch ()
#30 0x10064454 in initial_command_loop ()
#31 0x100853dc in xemacs_21_4_21_powerpc_unknown_linux ()
#32 0x10085d94 in main ()
(gdb) call debug_backtrace ()
# (unwind-protect ...)
# (unwind-protect ...)
# (catch #<INTERNAL OBJECT (XEmacs bug?) (opaque-ptr, adr=0x1024f248) 0x10344548>
...)
# (unwind-protect ...)
# bind (inhibit-quit)
# (condition-case ... . error)
# (catch top-level ...)
$1 = 1
(gdb) quit
The program is running. Exit anyway? (y or n) y
asjo＠topper:~$
== =
Here is the output of describe-installation:
== =
uname -a: Linux voltaire 2.6.8-powerpc-smp #1 SMP Thu Nov 24 00:17:24 UTC 2005 ppc
GNU/Linux
./configure '--with-sound=none,native' '--with-x11'
'--extra-verbose' '--with-site-lisp' '--with-database=berkdb'
'--statedir=/var/lib' '--infodir=/usr/share/info/xemacs21'
'--infopath=/usr/share/info/xemacs21' '--prefix=/usr' '--dynamic'
'--error-checking=none' '--debug=no' '--with-pop'
'--with-file-coding' '--pdump' '--with-system-malloc'
'--with_menubars=lucid' '--with_scrollbars=lucid'
'--with_dialogs=athena'
'--docdir=/usr/lib/xemacs-21.4.21/powerpc-linux-gnu/mule/' '--with-mule'
'--with-canna=no' '--with-wnn=no' '--with-xim=xlib'
'--with-xfs'
'--package-path=~/.xemacs:~/.xemacs/packages:~/.xemacs/xemacs-packages::/usr/share/xemacs21/site-packages:/usr/share/xemacs21/mule-packages:/usr/share/xemacs21/xemacs-packages'
'powerpc-linux-gnu'
XEmacs 21.4.21 "Educational Television" configured for
`powerpc-unknown-linux'.
Compilation / Installation:
Source code location: /build/buildd/xemacs21-21.4.21
Installation prefix: /usr
Operating system description file: `s/linux.h'
Machine description file: `m/powerpc.h'
Compiler: gcc -g -O3 -Wall -Wno-switch -Winline
-Wmissing-prototypes -Wsign-compare -fno-strict-aliasing -Wshadow
Compiler version: gcc (GCC) 4.2.3 (Debian 4.2.3-2)
Compiler specs file: specs.
Relocating allocator for buffers: no
GNU version of malloc: no
- User chose not to use GNU allocators.
Need to guess glibc1/2/etc here
Window System:
Compiling in support for the X window system:
- X Windows headers location:
- X Windows libraries location:
- Handling WM_COMMAND properly.
Compiling in support for the Athena widget set:
- Athena headers location: X11/Xaw
- Athena library to link: Xaw
Using Lucid menubars.
Using Lucid scrollbars.
Using Athena dialog boxes.
Using Athena native widgets.
TTY:
Compiling in support for ncurses.
Compiling in support for GPM (General Purpose Mouse).
Images:
Compiling in support for GIF images (builtin).
Compiling in support for XPM images.
Compiling in support for PNG images.
Compiling in support for JPEG images.
Compiling in support for TIFF images.
Compiling in support for X-Face message headers.
Sound:
Compiling in support for sound (native).
Databases:
Compiling in support for Berkeley database.
Compiling in support for LDAP.
Internationalization:
Compiling in support for Mule (multi-lingual Emacs).
Compiling in support for file coding.
Compiling in support for XIM (X11R5+ I18N input method).
- Using raw Xlib to provide XIM support.
- Using XFontSet to provide bilingual menubar.
Mail:
Compiling in support for POP mail retrieval.
Compiling in support for "dot-locking" mail spool file locking method.
Other Features:
Inhibiting IPv6 canonicalization at startup.
Compiling in support for dynamic shared object modules.
Using the new portable dumper.
== =
Let me know if I should provide more information.
Best regards,
Adam
--
"My general working style is to write everything Adam Sjøgren
first with pencil and paper, sitting beside a big asjo(a)koldfront.dk
wastebasket. Then I use Emacs to enter the text into
my machine, using the conventions of TeX."
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http://calypso.tux.org/cgi-bin/mailman/listinfo/xemacs-beta
6:10 p.m.
New subject: Improving faces inserting
Adam Sjøgren writes:
When I try to read the article that I am following up on:
XEmacs/Gnus hangs - the display becomes unresponsive. C-g does nothing.
We'll do what we can, but your backtrace is pretty well useless since
your XEmacs has no debugging symbols, and ends in the memory
management routines, which may or may not be responsible for the
problems.
If you built it yourself, you can help us a lot by rebuilding it with
debugging enabled; this makes the xemacs binary quite a bit larger on
disk but does not affect size or speed at runtime. If it's a distro-
supplied binary, all is not lost. Most distros now provide -debug
versions of their packages, which include either debug builds or
symbol tables that can be used to produce much more useful backtraces.
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XEmacs-Beta mailing list
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6:46 p.m.
New subject: Improving faces inserting
On Fri, 02 May 2008 02:10:00 +0900, Stephen wrote:
Adam Sjøgren writes:
> When I try to read the article that I am following up on:
> XEmacs/Gnus hangs - the display becomes unresponsive. C-g does nothing.
We'll do what we can, but your backtrace is pretty well useless
since
your XEmacs has no debugging symbols, and ends in the memory
management routines, which may or may not be responsible for the
problems.
Okay, I hoped the font-related calls that were in there could be of use.
Will anyone be able to try and reproduce the problem, or is my usage
weird enough that noone easily can?
If you built it yourself, you can help us a lot by rebuilding it
with
debugging enabled; this makes the xemacs binary quite a bit larger on
disk but does not affect size or speed at runtime. If it's a distro-
supplied binary, all is not lost. Most distros now provide -debug
versions of their packages, which include either debug builds or
symbol tables that can be used to produce much more useful backtraces.
I am running Debian unstable/powerpc. Let me check if there are any
packages with names looking like debug.
No, not really
(<http://packages.debian.org/search?keywords=xemacs&searchon=names&...>).
But I can try and build my own .deb-package with debug turned on. I will
do that and return with better information; I hope.
Thanks & best regards,
Adam
--
"Your problem is you've got no common sense." Adam Sjøgren
"I've got PLENTY of common sense! asjo(a)koldfront.dk
I just choose to ignore it."
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8 p.m.
New subject: Improving faces inserting
On Thu, 01 May 2008 19:46:56 +0200, Adam wrote:
But I can try and build my own .deb-package with debug turned on. I
will
do that and return with better information; I hope.
Here is what I got when I built packages with debug and nostrip turned
on (I still couldn't get it to core-dump):
== =
asjo＠topper:~$ gdb /usr/bin/xemacs
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "powerpc-linux-gnu"...
(gdb) run
Starting program: /usr/bin/xemacs
[Thread debugging using libthread_db enabled]
[New Thread 0x48026cd0 (LWP 11651)]
*** glibc detected *** /usr/bin/xemacs: double free or corruption (out): 0x11ac59d8 ***
======= Backtrace: =========
/lib/libc.so.6[0xf70ec88]
/lib/libc.so.6(cfree+0xcc)[0xf71133c]
/usr/lib/libpng12.so.0(png_free_default+0x38)[0xfec8058]
/usr/lib/libpng12.so.0(png_free+0x64)[0xfec80d4]
/usr/lib/libpng12.so.0(png_read_destroy+0x78)[0xfebc338]
/usr/lib/libpng12.so.0(png_destroy_read_struct+0x94)[0xfebc674]
/usr/bin/xemacs[0x1015bd08]
/usr/bin/xemacs(unbind_to_hairy+0xc4)[0x10092bb4]
/usr/bin/xemacs(unbind_to+0xfc)[0x10092d7c]
/usr/bin/xemacs[0x1015b828]
/usr/bin/xemacs[0x10155684]
/usr/bin/xemacs[0x10158a00]
/usr/bin/xemacs[0x100953fc]
/usr/bin/xemacs(internal_catch+0xd0)[0x10093d30]
/usr/bin/xemacs(call_with_suspended_errors+0x1e4)[0x1009c774]
/usr/bin/xemacs[0x101eb83c]
/usr/bin/xemacs(specifier_instance+0x344)[0x101ec094]
/usr/bin/xemacs(glyph_image_instance+0x84)[0x1014df94]
/usr/bin/xemacs(invalidate_glyph_geometry_maybe+0x13c)[0x1014e38c]
/usr/bin/xemacs[0x101b3de0]
/usr/bin/xemacs[0x101b493c]
/usr/bin/xemacs[0x101bbb64]
/usr/bin/xemacs[0x101bf7b0]
/usr/bin/xemacs[0x101c5f9c]
/usr/bin/xemacs[0x101c6f4c]
/usr/bin/xemacs[0x101c5d6c]
/usr/bin/xemacs[0x101c6f4c]
/usr/bin/xemacs(redisplay_frame+0x114)[0x101c70c4]
/usr/bin/xemacs[0x101c743c]
/usr/bin/xemacs(redisplay+0x55c)[0x101c7fdc]
/usr/bin/xemacs(Fnext_event+0xd74)[0x10106144]
/usr/bin/xemacs(Fcommand_loop_1+0x21c)[0x1006bcfc]
/usr/bin/xemacs(condition_case_1+0x10c)[0x1009cb8c]
/usr/bin/xemacs[0x1006c2e8]
/usr/bin/xemacs(internal_catch+0xd0)[0x10093d30]
/usr/bin/xemacs(initial_command_loop+0x358)[0x1006cb48]
/usr/bin/xemacs(xemacs_21_4_21_powerpc_unknown_linux+0xa88)[0x1008fef8]
/usr/bin/xemacs[0x100908f4]
/lib/libc.so.6[0xf6ad720]
/lib/libc.so.6[0xf6ad8e0]
======= Memory map: ========
00100000-00103000 r-xp 00100000 00:00 0 [vdso]
0f1e8000-0f1ec000 r-xp 00000000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1ec000-0f1fb000 ---p 00004000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1fb000-0f1fc000 r--p 00003000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1fc000-0f1fd000 rw-p 00004000 03:03 48522245 /lib/libnss_dns-2.7.so
0f20d000-0f213000 r-xp 00000000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f213000-0f222000 ---p 00006000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f222000-0f223000 rw-p 00005000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f233000-0f239000 r-xp 00000000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f239000-0f248000 ---p 00006000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f248000-0f249000 rwxp 00005000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f259000-0f265000 r-xp 00000000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f265000-0f274000 ---p 0000c000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f274000-0f275000 rw-p 0000b000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f285000-0f290000 r-xp 00000000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f290000-0f29f000 ---p 0000b000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f29f000-0f2a0000 rw-p 0000a000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f2b0000-0f2b2000 r-xp 00000000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2b2000-0f2c1000 ---p 00002000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2c1000-0f2c2000 r--p 00001000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2c2000-0f2c3000 rw-p 00002000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2d3000-0f2dd000 r-xp 00000000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2dd000-0f2ed000 ---p 0000a000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2ed000-0f2ee000 r--p 0000a000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2ee000-0f2ef000 rw-p 0000b000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2ff000-0f315000 r-xp 00000000 03:03 48323667 /lib/libnsl-2.7.so
0f315000-0f325000 ---p 00016000 03:03 48323667 /lib/libnsl-2.7.so
0f325000-0f326000 r--p 00016000 03:03 48323667 /lib/libnsl-2.7.so
0f326000-0f327000 rw-p 00017000 03:03 48323667 /lib/libnsl-2.7.so
0f327000-0f329000 rw-p 0f327000 00:00 0
0f339000-0f341000 r-xp 00000000 03:03 48323669 /lib/libnss_compat-2.7.so
0f341000-0f350000 ---p 00008000 03:03 48323669 /lib/libnss_compat-2.7.so
0f350000-0f351000 r--p 00007000 03:03 48323669 /lib/libnss_compat-2.7.so
0f351000-0f352000 rw-p 00008000 03:03 48323669 /lib/libnss_compat-2.7.so
0f362000-0f36d000 r-xp 00000000 03:03 48538085 /lib/libnss_files-2.7.so
0f36d000-0f37c000 ---p 0000b000 03:03 48538085 /lib/libnss_files-2.7.so
0f37c000-0f37d000 r--p 0000a000 03:03 48538085 /lib/libnss_files-2.7.so
0f37d000-0f37e000 rw-p 0000b000 03:03 48538085 /lib/libnss_files-2.7.so
0f38e000-0f3ff000 r-xp 00000000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f3ff000-0f40f000 ---p 00071000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f40f000-0f411000 rw-p 00071000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f421000-0f425000 r-xp 00000000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f425000-0f434000 ---p 00004000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f434000-0f435000 rwxp 00003000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f445000-0f455000 r-xp 00000000 03:03 151529797 /usr/lib/libtasn1.so.3.0.15
0f455000-0f456000 rw-p 00010000 03:03 151529797 /usr/lib/libtasn1.so.3.0.15
0f466000-0f4ed000 r-xp 00000000 03:03 151538537 /usr/lib/libgnutls.so.26.1.3
0f4ed000-0f4fc000 ---p 00087000 03:03 151538537 /usr/lib/libgnutls.so.26.1.3
0f4fc000-0f503000 rw-p 00086000 03:03 151538537 /usr/lib/libgnutls.so.26.1.3
0f513000-0f52f000 r-xp 00000000 03:03 151747883 /usr/lib/libsasl2.so.2.0.22
0f52f000-0f53f000 ---p 0001c000 03:03 151747883 /usr/lib/libsasl2.so.2.0.22
0f53f000-0f540000 rw-p 0001c000 03:03 151747883 /usr/lib/libsasl2.so.2.0.22
0f550000-0f561000 r-xp 00000000 03:03 48538091 /lib/libresolv-2.7.so
0f561000-0f570000 ---p 00011000 03:03 48538091 /lib/libresolv-2.7.so
0f570000-0f571000 r--p 00010000 03:03 48538091 /lib/libresolv-2.7.so
0f571000-0f572000 rw-p 00011000 03:03 48538091 /lib/libresolv-2.7.so
0f572000-0f574000 rw-p 0f572000 00:00 0
0f584000-0f59b000 r-xp 00000000 03:03 48538090 /lib/libpthread-2.7.so
0f59b000-0f5aa000 ---p 00017000 03:03 48538090 /lib/libpthread-2.7.so
0f5aa000-0f5ab000 r--p 00016000 03:03 48538090 /lib/libpthread-2.7.so
0f5ab000-0f5ac000 rw-p 00017000 03:03 48538090 /lib/libpthread-2.7.so
0f5ac000-0f5ae000 rw-p 0f5ac000 00:00 0
0f5be000-0f5c4000 r-xp 00000000 03:03 151538391 /usr/lib/libXdmcp.so.6.0.0
0f5c4000-0f5d3000 ---p 00006000 03:03 151538391 /usr/lib/libXdmcp.so.6.0.0
0f5d3000-0f5d4000 rwxp 00005000 03:03 151538391 /usr/lib/libXdmcp.so.6.0.0
0f5e4000-0f5e7000 r-xp 00000000 03:03 151538383 /usr/lib/libXau.so.6.0.0
0f5e7000-0f5f6000 ---p 00003000 03:03 151538383 /usr/lib/libXau.so.6.0.0
0f5f6000-0f5f7000 rwxp 00002000 03:03 151538383 /usr/lib/libXau.so.6.0.0
0f607000-0f61c000 r-xp 00000000 03:03 151538265 /usr/lib/libz.so.1.2.3.3
0f61c000-0f62b000 ---p 00015000 03:03 151538265 /usr/lib/libz.so.1.2.3.3
0f62b000-0f62c000 rw-p 00014000 03:03 151538265 /usr/lib/libz.so.1.2.3.3
0f63c000-0f64b000 r-xp 00000000 03:03 151747901 /usr/lib/liblber-2.4.so.2.0.3
0f64b000-0f65a000 ---p 0000f000 03:03 151747901 /usr/lib/liblber-2.4.so.2.0.3
0f65a000-0f65b000 rw-p 0000e000 03:03 151747901 /usr/lib/liblber-2.4.so.2.0.3
0f66b000-0f66e000 r-xp 00000000 03:03 47646927 /lib/libdl-2.7.so
0f66e000-0f67d000 ---p 00003000 03:03 47646927 /lib/libdl-2.7.so
0f67d000-0f67e000 r--p 00002000 03:03 47646927 /lib/libdl-2.7.so
0f67e000-0f67f000 rw-p 00003000 03:03 47646927 /lib/libdl-2.7.so
0f68f000-0f7ed000 r-xp 00000000 03:03 47598811 /lib/libc-2.7.so
0f7ed000-0f7fd000 ---p 0015e000 03:03 47598811 /lib/libc-2.7.so
0f7fd000-0f7fe000 r--p 0015e000 03:03 47598811 /lib/libc-2.7.so
0f7fe000-0f802000 rw-p 0015f000 03:03 47598811 /lib/libc-2.7.so
0f802000-0f805000 rw-p 0f802000 00:00 0
0f815000-0f817000 r-xp 00000000 03:03 48538095 /lib/libutil-2.7.so
0f817000-0f826000 ---p 00002000 03:03 48538095 /lib/libutil-2.7.so
0f826000-0f827000 r--p 00001000 03:03 48538095 /lib/libutil-2.7.so
0f827000-0f828000 rw-p 00002000 03:03 48538095 /lib/libutil-2.7.so
0f838000-0f8e1000 r-xp 00000000 03:03 47646931 /lib/libm-2.7.so
0f8e1000-0f8f1000 ---p 000a9000 03:03 47646931 /lib/libm-2.7.so
0f8f1000-0f8f4000 r--p 000a9000 03:03 47646931 /lib/libm-2.7.so
0f8f4000-0f8f5000 rw-p 000ac000 03:03 47646931 /lib/libm-2.7.so
0f905000-0f94f000 r-xp 00000000 03:03 151747902 /usr/lib/libldap_r-2.4.so.2.0.3
0f94f000-0f95e000 ---p 0004a000 03:03 151747902 /usr/lib/libldap_r-2.4.so.2.0.3
0f95e000-0f961000 rw-p 00049000 03:03 151747902 /usr/lib/libldap_r-2.4.so.2.0.3
0f961000-0f962000 rw-p 0f961000 00:00 0
0f972000-0f9ac000 r-xp 00000000 03:03 47743191 /lib/libncurses.so.5.6
0f9ac000-0f9bc000 ---p 0003a000 03:03 47743191 /lib/libncurses.so.5.6
0f9bc000-0f9bf000 rw-p 0003a000 03:03 47743191 /lib/libncurses.so.5.6
0f9cf000-0f9d6000 r-xp 00000000 03:03 151608237 /usr/lib/libgpm.so.1.19.6
0f9d6000-0f9e5000 ---p 00007000 03:03 151608237 /usr/lib/libgpm.so.1.19.6
0f9e5000-0f9e6000 rw-p 00006000 03:03 151608237 /usr/lib/libgpm.so.1.19.6
0f9f6000-0fb51000 r-xp 00000000 03:03 151607193 /usr/lib/libdb-4.6.so
0fb51000-0fb60000 ---p 0015b000 03:03 151607193 /usr/lib/libdb-4.6.so
0fb60000-0fb66000 rw-p 0015a000 03:03 151607193 /usr/lib/libdb-4.6.so
0fb76000-0fb8f000 r-xp 00000000 03:03 151538543 /usr/lib/libICE.so.6.3.0
0fb8f000-0fb9f000 ---p 00019000 03:03 151538543 /usr/lib/libICE.so.6.3.0
0fb9f000-0fba0000 rw-p 00019000 03:03 151538543 /usr/lib/libICE.so.6.3.0
0fba0000-0fba2000 rw-p 0fba0000 00:00 0
0fbb2000-0fbbb000 r-xp 00000000 03:03 152731724 /usr/lib/libSM.so.6.0.0
0fbbb000-0fbca000 ---p 00009000 03:03 152731724 /usr/lib/libSM.so.6.0.0
0fbca000-0fbcb000 rw-p 00008000 03:03 152731724 /usr/lib/libSM.so.6.0.0
0fbdb000-0fce7000 r-xp 00000000 03:03 151538539 /usr/lib/libX11.so.6.2.0
0fce7000-0fcf7000 ---p 0010c000 03:03 151538539 /usr/lib/libX11.so.6.2.0
0fcf7000-0fcfc000 rwxp 0010c000 03:03 151538539 /usr/lib/libX11.so.6.2.0
0fcfc000-0fcfe000 rwxp 0fcfc000 00:00 0
0fd0e000-0fd23000 r-xp 00000000 03:03 151538375 /usr/lib/libXext.so.6.4.0
0fd23000-0fd32000 ---p 00015000 03:03 151538375 /usr/lib/libXext.so.6.4.0
0fd32000-0fd33000 rw-p 00014000 03:03 151538375 /usr/lib/libXext.so.6.4.0
0fd43000-0fda5000 r-xp 00000000 03:03 153143560 /usr/lib/libXt.so.6.0.0
0fda5000-0fdb4000 ---p 00062000 03:03 153143560 /usr/lib/libXt.so.6.0.0
0fdb4000-0fdb9000 rw-p 00061000 03:03 153143560 /usr/lib/libXt.so.6.0.0
0fdc9000-0fde3000 r-xp 00000000 03:03 151539097 /usr/lib/libXmu.so.6.2.0
0fde3000-0fdf2000 ---p 0001a000 03:03 151539097 /usr/lib/libXmu.so.6.2.0
0fdf2000-0fdf4000 rw-p 00019000 03:03 151539097 /usr/lib/libXmu.so.6.2.0
0fe04000-0fe16000 r-xp 00000000 03:03 151538640 /usr/lib/libXpm.so.4.11.0
0fe16000-0fe25000 ---p 00012000 03:03 151538640 /usr/lib/libXpm.so.4.11.0
0fe25000-0fe26000 rw-p 00011000 03:03 151538640 /usr/lib/libXpm.so.4.11.0
0fe36000-0fe3a000 r-xp 00000000 03:03 151539596 /usr/lib/libcompface.so.1.0.0
0fe3a000-0fe4a000 ---p 00004000 03:03 151539596 /usr/lib/libcompface.so.1.0.0
0fe4a000-0fe4c000 rwxp 00004000 03:03 151539596 /usr/lib/libcompface.so.1.0.0
0fe4c000-0fe52000 rwxp 0fe4c000 00:00 0
0fe62000-0fe88000 r-xp 00000000 03:03 151538977 /usr/lib/libjpeg.so.62.0.0
0fe88000-0fe98000 ---p 00026000 03:03 151538977 /usr/lib/libjpeg.so.62.0.0
0fe98000-0fe99000 rw-p 00026000 03:03 151538977 /usr/lib/libjpeg.so.62.0.0
0fea9000-0fed0000 r-xp 00000000 03:03 151539461 /usr/lib/libpng12.so.0.26.0
0fed0000-0fedf000 ---p 00027000 03:03 151539461 /usr/lib/libpng12.so.0.26.0
0fedf000-0fee0000 rw-p 00026000 03:03 151539461 /usr/lib/libpng12.so.0.26.0
0fef0000-0ff4f000 r-xp 00000000 03:03 151667962 /usr/lib/libtiff.so.4.2.1
0ff4f000-0ff5f000 ---p 0005f000 03:03 151667962 /usr/lib/libtiff.so.4.2.1
0ff5f000-0ff62000 rw-p 0005f000 03:03 151667962 /usr/lib/libtiff.so.4.2.1
0ff72000-0ffda000 r-xp 00000000 03:03 151538629 /usr/lib/libXaw7.so.7.0.0
0ffda000-0ffe9000 ---p 00068000 03:03 151538629 /usr/lib/libXaw7.so.7.0.0
0ffe9000-0fff0000 rw-p 00067000 03:03 151538629 /usr/lib/libXaw7.so.7.0.0
10000000-10289000 r-xp 00000000 03:03 383105265 /usr/bin/xemacs-21.4.21-mule
10298000-102a3000 rw-p 00288000 03:03 383105265 /usr/bin/xemacs-21.4.21-mule
102a3000-11b5f000 rwxp 102a3000 00:00 0 [heap]
48000000-4801f000 r-xp 00000000 03:03 47598789 /lib/ld-2.7.so
4801f000-48028000 rw-p 4801f000 00:00 0
48028000-48029000 r--p 00348000 03:03 346275627 /usr/lib/locale/locale-archive
48029000-4802a000 r--p 00000000 03:03 246031880
/usr/share/locale/en_GB/LC_MESSAGES/libc.mo
4802f000-48031000 rw-p 0001f000 03:03 47598789 /lib/ld-2.7.so
48031000-482ca000 rw-p 00000000 03:03 346259471
/usr/lib/xemacs-21.4.21/powerpc-linux-gnu/mule/DUMP
482ca000-484ca000 r--p 00000000 03:03 346275627 /usr/lib/locale/locale-archive
484ca000-48ae5000 rw-p 484ca000 00:00 0
48ae5000-48aec000 r--s 00000000 03:03 115942541 /usr/lib/gconv/gconv-modules.cache
48aec000-48ba2000 rw-p 48aec000 00:00 0
bfba1000-bfc67000 rw-p bff3a000 00:00 0 [stack]
Program received signal SIGABRT, Aborted.
[Switching to Thread 0x48026cd0 (LWP 11651)]
0x0f6c5e5c in raise () from /lib/libc.so.6
(gdb) bt
#0 0x0f6c5e5c in raise () from /lib/libc.so.6
#1 0x0f6c7af4 in abort () from /lib/libc.so.6
#2 0x0f7070d4 in ?? () from /lib/libc.so.6
#3 0x0f70ec88 in ?? () from /lib/libc.so.6
#4 0x0f71133c in free () from /lib/libc.so.6
#5 0x0fec8058 in png_free_default () from /usr/lib/libpng12.so.0
#6 0x0fec80d4 in png_free () from /usr/lib/libpng12.so.0
#7 0x0febc338 in png_read_destroy () from /usr/lib/libpng12.so.0
#8 0x0febc674 in png_destroy_read_struct () from /usr/lib/libpng12.so.0
#9 0x1015bd08 in png_instantiate_unwind (unwind_obj=274206640) at glyphs-eimage.c:854
#10 0x10092bb4 in unbind_to_hairy (count=5) at eval.c:4984
#11 0x10092d7c in unbind_to (count=5, value=1208397984) at eval.c:4959
#12 0x1015b828 in png_instantiate (image_instance=295623784, instantiator=296190544,
pointer_fg=<value optimized out>, pointer_bg=<value optimized out>,
dest_mask=111, domain=295715400) at glyphs-eimage.c:1051
#13 0x10155684 in instantiate_image_instantiator (governing_domain=273208400,
domain=295715400, instantiator=296190544, pointer_fg=2, pointer_bg=1208397984,
dest_mask=111, glyph=<value optimized out>) at glyphs.c:776
#14 0x10158a00 in image_instantiate (specifier=<value optimized out>,
matchspec=<value optimized out>, domain=295715400, instantiator=296190544,
depth=<value optimized out>) at glyphs.c:3259
#15 0x100953fc in call_with_suspended_errors_1 (opaque_arg=<value optimized out>) at
eval.c:2113
#16 0x10093d30 in internal_catch (tag=<value optimized out>, func=0x10095120
<call_with_suspended_errors_1>, arg=272270936, threw=0xbfc654b8) at eval.c:1318
#17 0x1009c774 in call_with_suspended_errors (fun=0x10158570 <image_instantiate>,
retval=1208170752, class=1208397984, errb=Cannot access memory at address 0x0
) at eval.c:2205
#18 0x101eb83c in specifier_instance_from_inst_list (specifier=296190240,
matchspec=1208170752, domain=295715400, inst_list=292173896,
errb={really_unlikely_name_to_have_accidentally_in_a_non_errb_structure = 42},
no_quit=<value optimized out>, depth=3) at specifier.c:2510
#19 0x101ec094 in specifier_instance (specifier=296190240, matchspec=1208170752,
domain=295715400, errb={really_unlikely_name_to_have_accidentally_in_a_non_errb_structure
= 42}, no_quit=1, no_fallback=0, depth=3)
at specifier.c:2625
#20 0x1014df94 in glyph_image_instance (glyph=288279296, domain=295715400,
errb={really_unlikely_name_to_have_accidentally_in_a_non_errb_structure = 42}, no_quit=1)
at glyphs.c:3855
#21 0x1014e38c in invalidate_glyph_geometry_maybe (glyph_or_ii=288279296, w=0x11a04248) at
glyphs.c:2117
#22 0x101b3de0 in add_glyph_rune (data=0xbfc65794, gb=0x1194b688, pos_type=1,
allow_cursor=0, cachel=0x0) at redisplay.c:1671
#23 0x101b493c in add_glyph_runes (data=0xbfc65794, pos_type=1) at redisplay.c:1963
#24 0x101bbb64 in generate_display_line (w=0x11a04248, dl=0xbfc658d4, bounds=<value
optimized out>, start_pos=1, prop=0xbfc658a8, type=<value optimized out>) at
redisplay.c:2318
#25 0x101bf7b0 in regenerate_window (w=0x11a04248, start_pos=1, point=<value optimized
out>, type=1) at redisplay.c:5367
#26 0x101c5f9c in redisplay_window (window=295715400, skip_selected=<value optimized
out>) at redisplay.c:6157
#27 0x101c6f4c in redisplay_windows (window=295715400, skip_selected=1) at
redisplay.c:6421
#28 0x101c5d6c in redisplay_window (window=295714360, skip_selected=1) at
redisplay.c:6051
#29 0x101c6f4c in redisplay_windows (window=295714360, skip_selected=1) at
redisplay.c:6421
#30 0x101c70c4 in redisplay_frame (f=0x105809a8, preemption_check=0) at redisplay.c:6598
#31 0x101c743c in redisplay_device (d=0x1048d450, automatic=<value optimized out>)
at redisplay.c:6679
#32 0x101c7fdc in redisplay () at redisplay.c:6766
#33 0x10106144 in Fnext_event (event=280839136, prompt=<value optimized out>) at
event-stream.c:2179
#34 0x1006bcfc in Fcommand_loop_1 () at cmdloop.c:574
#35 0x1009cb8c in condition_case_1 (handlers=<value optimized out>, bfun=0x1006bdd0
<command_loop_1>, barg=1208397984, hfun=0x1006c340 <cmd_error>,
harg=1208397984) at eval.c:1652
#36 0x1006c2e8 in command_loop_2 (dummy=<value optimized out>) at cmdloop.c:256
#37 0x10093d30 in internal_catch (tag=<value optimized out>, func=0x1006c270
<command_loop_2>, arg=1208397984, threw=0x0) at eval.c:1318
#38 0x1006cb48 in initial_command_loop (load_me=<value optimized out>) at
cmdloop.c:305
#39 0x1008fef8 in xemacs_21_4_21_powerpc_unknown_linux (argc=1, argv=0xbfc66594,
envp=<value optimized out>, restart=0) at emacs.c:2460
#40 0x100908f4 in main (argc=<value optimized out>, argv=<value optimized
out>, envp=<value optimized out>) at emacs.c:2829
(gdb) call debug_backtrace ()
# (unwind-protect ...)
# (unwind-protect ...)
# (catch #<INTERNAL OBJECT (XEmacs bug?) (opaque-ptr, adr=0x102a3500) 0x10398548>
...)
# (unwind-protect ...)
# bind (inhibit-quit)
# (condition-case ... . error)
# (catch top-level ...)
(gdb) quit
The program is running. Exit anyway? (y or n) y
asjo＠topper:~$
== =
Is that of any help?
Maybe it dies when trying to display the PNG in the Face:-header of the
article?
Best regards,
Adam
--
"I'm a driver, I'm a winner, things are gonna change, Adam Sjøgren
I can feel it." asjo(a)koldfront.dk
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11:34 p.m.
New subject: Improving faces inserting
On Thu, May 1, 2008 at 1:00 PM, Adam Sjøgren <asjo(a)koldfront.dk> wrote:
Here is what I got when I built packages with debug and nostrip
turned
on (I still couldn't get it to core-dump):
Thanks, Adam. I'm having trouble wrapping my brain around this crash.
The sequence of events SHOULD be:
1. png_instantiate (glyphs-eimage.c) gets called.
2. The read struct is creaed on line 893. If something goes wrong, it
signals out of there on line 897.
3. The info struct is created on line 900. If something goes wrong,
it frees the read struct (line 905) and signals out of there (line
906).
4. The read struct pointer is stored for later freeing on line 908.
5. The image is drawn.
6. The cleanup function (set on line 881) is called on line 1051.
7. The unwind code calls png_instantiate_unwind (line 842).
8. The pointer from the unwind structure is destroyed (line 853).
9. The read struct is freed (line 854).
I can see all of those steps taking place in your backtrace, and #8
should prevent exactly the problem you are seeing. Would you be
willing to do the following?
1. Run XEmacs under gdb. Don't set any breakpoints yet.
2. Start Gnus. Get ready to read the offending article.
3. Break into the debugger and set a breakpoint at glyphs-eimage.c, line 908.
4. When that gets hit, set a watchpoint on unwind.info_ptr.
5. Continue and see what happens.
If it's an XEmacs problem, that should show us the offending
corruption or extra free(). Otherwise, we'll have to investigate the
possibility that libpng is at fault.
--
Jerry James
http://loganjerry.googlepages.com/
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4:19 a.m.
New subject: Improving faces inserting
Jerry James writes:
If it's an XEmacs problem, that should show us the offending
corruption or extra free(). Otherwise, we'll have to investigate the
possibility that libpng is at fault.
Thanks, Jerry, there's a good chance it *is* libpng:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1382
Note that this affects pretty much all libpng up to v1.2.26.
Adam, can you send us a copy of the PNG in question?
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4:48 a.m.
New subject: Improving faces inserting
On Mon, May 5, 2008 at 9:19 PM, Stephen J. Turnbull <stephen(a)xemacs.org> wrote:
Thanks, Jerry, there's a good chance it *is* libpng:
Our code looks pretty bulletproof, so I'm ready to believe that. :-)
That says it triggers an access to uninitialized memory. I'd expect
that to result in a segfault, rather than the symptoms Adam is seeing,
but I'm happy to be wrong about that. :-)
Note that this affects pretty much all libpng up to v1.2.26.
It looks like Adam is using version 1.2.26. Adam, in addition to
answering Stephen's question, can you confirm that that is the correct
version number? Thanks!
--
Jerry James
http://loganjerry.googlepages.com/
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12:28 p.m.
New subject: Improving faces inserting
On Mon, 5 May 2008 21:48:31 -0600, Jerry wrote:
It looks like Adam is using version 1.2.26. Adam, in addition to
answering Stephen's question, can you confirm that that is the correct
version number? Thanks!
I looks like I have been using 1.2.17 since April 29 (i.e. before the
bug report):
$ ldd /usr/bin/xemacs-21.4.21-mule | grep png
libpng12.so.0 => /usr/lib/libpng12.so.0 (0x0fea9000)
$ dpkg --search /usr/lib/libpng12.so.0
libpng12-0: /usr/lib/libpng12.so.0
$ dpkg --status libpng12-0 | grep Version
Version: 1.2.27-1
$ ls -l /var/cache/apt/archives/libpng12-0_1.2.27-1_powerpc.deb
-rw-r--r-- 1 root root 165844 2008-04-29 23:18
/var/cache/apt/archives/libpng12-0_1.2.27-1_powerpc.deb
$
Best regards,
Adam
--
"The unavoidable price of reliability is simplicity" Adam Sjøgren
asjo(a)koldfront.dk
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4:34 p.m.
New subject: Improving faces inserting
On Tue, May 6, 2008 at 5:28 AM, Adam Sjøgren <asjo(a)koldfront.dk> wrote:
I looks like I have been using 1.2.17 since April 29 (i.e. before
the
bug report):
$ ldd /usr/bin/xemacs-21.4.21-mule | grep png
libpng12.so.0 => /usr/lib/libpng12.so.0 (0x0fea9000)
$ dpkg --search /usr/lib/libpng12.so.0
libpng12-0: /usr/lib/libpng12.so.0
$ dpkg --status libpng12-0 | grep Version
Version: 1.2.27-1
$ ls -l /var/cache/apt/archives/libpng12-0_1.2.27-1_powerpc.deb
-rw-r--r-- 1 root root 165844 2008-04-29 23:18
/var/cache/apt/archives/libpng12-0_1.2.27-1_powerpc.deb
$
I have libpng 1.2.22, and I cannot reproduce this crash. My XEmacs
reads the PNG file with no trouble. Your problem *could* be caused by
one of the following:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5266
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5267
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5268
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5269
In any case, since I cannot reproduce on the same PNG file, I am all
but certain that your problem is caused by a buggy libpng, rather than
a buggy XEmacs. Is there any possibility of you getting hold of a
newer libpng to see if that fixes the problem?
--
Jerry James
http://loganjerry.googlepages.com/
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9:41 p.m.
New subject: Improving faces inserting
On Tue, 6 May 2008 09:34:53 -0600, Jerry wrote:
On Tue, May 6, 2008 at 5:28 AM, Adam Sjøgren
<asjo(a)koldfront.dk> wrote:
> $ dpkg --status libpng12-0 | grep Version
> Version: 1.2.27-1
I have libpng 1.2.22, and I cannot reproduce this crash.
So a guess would be that what I am seeing is a bug introduced in libpng
between version 1.2.22 and 1.2.27?
My XEmacs reads the PNG file with no trouble.
Could it be some subtle endian-related thing, or is that of no
consequence here? (My machine is a Mac Mini with a Powerpc processor).
Your problem *could* be caused by one of the following:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5266
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5267
Wasn't that fixed in 1.2.22?
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5268
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5269
Wasn't those fixed in 1.2.21?
In any case, since I cannot reproduce on the same PNG file, I am all
but certain that your problem is caused by a buggy libpng, rather than
a buggy XEmacs.
Yeah, that sounds most likely.
Is there any possibility of you getting hold of a newer libpng to
see
if that fixes the problem?
As far as I can see, I have the newest libpng installed, from
libpng.org's frontpage:
"The current public release, libpng 1.2.28, is identical to its
two-day-old predecessor except for the configure-related build
scripts,"
The "two-day-old predecessor" is 1.2.27, which is the version I have
installed as far as the Debian package system tells me.
Best regards,
Adam
P.S. I assume you both read the mailinglist (and I have subscribed), so
I haven't Cc'ed you on this reply - let me know if you want me to
resume Cc'ing.
--
"The unavoidable price of reliability is simplicity" Adam Sjøgren
asjo(a)koldfront.dk
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12:28 p.m.
New subject: Improving faces inserting
On Tue, 06 May 2008 12:19:34 +0900, Stephen wrote:
Jerry James writes:
> If it's an XEmacs problem, that should show us the offending
> corruption or extra free(). Otherwise, we'll have to investigate the
> possibility that libpng is at fault.
Thanks, Jerry, there's a good chance it *is* libpng:
Note that this affects pretty much all libpng up to v1.2.26.
Adam, can you send us a copy of the PNG in question?
Here is the header:
Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAG1BMVEUAAAAuCAhQDg5yCwt8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I don't know if the mailinglist likes attachments, so I will attach the
decoded png in another reply.
Oh, I can reproduce the crash by just reading the png-file into a
buffer (C-x C-f /tmp/face.png RET):
== =
$ /usr/bin/xemacs
Fatal error (11).
Your files have been auto-saved.
Use `M-x recover-session' to recover them.
Your version of XEmacs was distributed with a PROBLEMS file that may describe
your crash, and with luck a workaround. Please check it first, but do report
the crash anyway. Please report this bug by invoking M-x report-emacs-bug,
or by selecting `Send Bug Report' from the Help menu. If necessary, send
ordinary email to `xemacs-beta(a)xemacs.org'. *MAKE SURE* to include the XEmacs
configuration from M-x describe-installation, or equivalently the file
Installation in the top of the build tree.
*Please* try *hard* to obtain a C stack backtrace; without it, we are unlikely
to be able to analyze the problem. Locate the core file produced as a result
of this crash (often called `core' or `core.<process-id>', and located in
the directory in which you started XEmacs or your home directory), and type
gdb /usr/bin/xemacs core
then type `where' at the debugger prompt. No GDB on your system? You may
have DBX, or XDB, or SDB. (Ask your system administrator if you need help.)
If no core file was produced, enable them (often with `ulimit -c unlimited'
in case of future recurrance of the crash.
Lisp backtrace follows:
# (unwind-protect ...)
# (catch #<INTERNAL OBJECT (XEmacs bug?) (opaque-ptr, adr=0x102a3500) 0x10398548>
...)
# (unwind-protect ...)
IHDR00¥,ä´³®$$¤¦(([®>ó[ptRNSQ¯ÙÌïòüùÉV¨bKG¦Þµz pHYsHHFÉk>QIDAT8ËíRËnÂ0¬iÕsx¾©£¢
¶áÌ'TîÆç½´l¿ ígwðJåΡ#+Jv<;ûHQüã¬é2J>:Þß4D´¾7&ÌwĨ^´`Ä×À<«ûým¸Ù0â[N
à8qÊweì°ëC°µû0µí¹¡½2ßÊÆKhµÉ©¡db©£}9Qæ´r®©¦·nòjfV:l+»Qý¶ea|ZÅ`¼½äsüw´âXÙû´ø³ò\nÑ+n¿F.pqYÉG¿tEXtcommentmentor_legion_badge.pngtò¥¢IEND®B`¢"]
nil nil
no-error)
# (unwind-protect ...)
# bind (type end start)
image-decode(1 532 png)
image-decode-buffer()
# bind (arg)
image-mode()
# bind (alist mode name keep-going)
# (unwind-protect ...)
# bind (just-from-file-name)
set-auto-mode()
byte-code("..." [set-auto-mode t] 1)
# (condition-case ... . ((error (byte-code "ÁÂ!\"¨Ä§" ... 4))))
# bind (find-file)
normal-mode(t)
# bind (nomodes after-find-file-from-revert-buffer noauto warn error)
after-find-file(nil t)
byte-code("..." [buffer-file-number number truename buffer-file-truename buf
buffer-file-name set-buffer-major-mode erase-buffer nil (byte-code Ǥ
 Ã\"¨ª¥Ä Ã\"¨Â§" [rawfile filename insert-file-contents-literally t
insert-file-contents] 3) ((file-error ...)) abbreviate-file-name file-nam
e-directory make-local-variable backup-inhibited t after-find-file find-file-use-truenames
default-directory backup-enable-predicate rawfile error n
owarn] 3)
# (condition-case ... . ((t (byte-code "!¨Ã ＠ A\"§" ... 3))))
# (unwind-protect ...)
# bind (error number truename buf rawfile nowarn filename)
find-file-noselect("/tmp/face.png")
# bind (codesys filename)
find-file("/tmp/face.png" nil)
# bind (command-debug-status)
call-interactively(find-file)
# (condition-case ... . error)
# (catch top-level ...)
Segmentation fault (core dumped)
$
== =
But this time I got a core-dump! Here is the backtrace from that:
== =
$ gdb /usr/bin/xemacs core
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "powerpc-linux-gnu"...
warning: Can't read pathname for load map: Input/output error.
Reading symbols from /usr/lib/libXaw.so.7...done.
Loaded symbols for /usr/lib/libXaw.so.7
Reading symbols from /usr/lib/libtiff.so.4...done.
Loaded symbols for /usr/lib/libtiff.so.4
Reading symbols from /usr/lib/libpng12.so.0...done.
Loaded symbols for /usr/lib/libpng12.so.0
Reading symbols from /usr/lib/libjpeg.so.62...done.
Loaded symbols for /usr/lib/libjpeg.so.62
Reading symbols from /usr/lib/libcompface.so.1...done.
Loaded symbols for /usr/lib/libcompface.so.1
Reading symbols from /usr/lib/libXpm.so.4...done.
Loaded symbols for /usr/lib/libXpm.so.4
Reading symbols from /usr/lib/libXmu.so.6...done.
Loaded symbols for /usr/lib/libXmu.so.6
Reading symbols from /usr/lib/libXt.so.6...done.
Loaded symbols for /usr/lib/libXt.so.6
Reading symbols from /usr/lib/libXext.so.6...done.
Loaded symbols for /usr/lib/libXext.so.6
Reading symbols from /usr/lib/libX11.so.6...done.
Loaded symbols for /usr/lib/libX11.so.6
Reading symbols from /usr/lib/libSM.so.6...done.
Loaded symbols for /usr/lib/libSM.so.6
Reading symbols from /usr/lib/libICE.so.6...done.
Loaded symbols for /usr/lib/libICE.so.6
Reading symbols from /usr/lib/libdb-4.6.so...done.
Loaded symbols for /usr/lib/libdb-4.6.so
Reading symbols from /usr/lib/libgpm.so.1...done.
Loaded symbols for /usr/lib/libgpm.so.1
Reading symbols from /lib/libncurses.so.5...done.
Loaded symbols for /lib/libncurses.so.5
Reading symbols from /usr/lib/libldap_r-2.4.so.2...done.
Loaded symbols for /usr/lib/libldap_r-2.4.so.2
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libutil.so.1...done.
Loaded symbols for /lib/libutil.so.1
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /usr/lib/liblber-2.4.so.2...done.
Loaded symbols for /usr/lib/liblber-2.4.so.2
Reading symbols from /usr/lib/libz.so.1...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /usr/lib/libXau.so.6...done.
Loaded symbols for /usr/lib/libXau.so.6
Reading symbols from /usr/lib/libXdmcp.so.6...done.
Loaded symbols for /usr/lib/libXdmcp.so.6
Reading symbols from /lib/libpthread.so.0...done.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /usr/lib/libsasl2.so.2...done.
Loaded symbols for /usr/lib/libsasl2.so.2
Reading symbols from /usr/lib/libgnutls.so.26...done.
Loaded symbols for /usr/lib/libgnutls.so.26
Reading symbols from /lib/ld.so.1...done.
Loaded symbols for /lib/ld.so.1
Reading symbols from /usr/lib/libtasn1.so.3...done.
Loaded symbols for /usr/lib/libtasn1.so.3
Reading symbols from /usr/lib/libgpg-error.so.0...done.
Loaded symbols for /usr/lib/libgpg-error.so.0
Reading symbols from /usr/lib/libgcrypt.so.11...done.
Loaded symbols for /usr/lib/libgcrypt.so.11
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /lib/libnss_compat.so.2...done.
Loaded symbols for /lib/libnss_compat.so.2
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/libnss_nis.so.2...done.
Loaded symbols for /lib/libnss_nis.so.2
Reading symbols from /usr/lib/gconv/ISO8859-1.so...done.
Loaded symbols for /usr/lib/gconv/ISO8859-1.so
Reading symbols from /usr/lib/libXcursor.so.1...Reading symbols from
/usr/lib/debug/usr/lib/libXcursor.so.1.0.2...done.
done.
Loaded symbols for /usr/lib/libXcursor.so.1
Reading symbols from /usr/lib/libXrender.so.1...done.
Loaded symbols for /usr/lib/libXrender.so.1
Reading symbols from /usr/lib/libXfixes.so.3...done.
Loaded symbols for /usr/lib/libXfixes.so.3
Core was generated by `/usr/bin/xemacs'.
Program terminated with signal 11, Segmentation fault.
[New process 3122]
#0 0x0f6c61b8 in kill () from /lib/libc.so.6
(gdb) bt
#0 0x0f6c61b8 in kill () from /lib/libc.so.6
#1 0x10090eb0 in fatal_error_signal (sig=11) at emacs.c:642
#2 <signal handler called>
#3 0x0f710d38 in ?? () from /lib/libc.so.6
#4 0x0f71094c in ?? () from /lib/libc.so.6
#5 0x0f71133c in free () from /lib/libc.so.6
#6 0x0fec8048 in png_free_default () from /usr/lib/libpng12.so.0
#7 0x0fec80c4 in png_free () from /usr/lib/libpng12.so.0
#8 0x0febc32c in png_read_destroy () from /usr/lib/libpng12.so.0
#9 0x0febc674 in png_destroy_read_struct () from /usr/lib/libpng12.so.0
#10 0x1015bd08 in png_instantiate_unwind (unwind_obj=273948456) at glyphs-eimage.c:854
#11 0x10092bb4 in unbind_to_hairy (count=33) at eval.c:4984
#12 0x10092d7c in unbind_to (count=33, value=1208397984) at eval.c:4959
#13 0x1015b828 in png_instantiate (image_instance=289652288, instantiator=289652256,
pointer_fg=<value optimized out>,
pointer_bg=<value optimized out>, dest_mask=-1, domain=274205624) at
glyphs-eimage.c:1051
#14 0x10155684 in instantiate_image_instantiator (governing_domain=273691440,
domain=274205624, instantiator=289652256, pointer_fg=1208397984,
pointer_bg=1208397984, dest_mask=-1, glyph=<value optimized out>) at
glyphs.c:776
#15 0x10157d10 in make_image_instance_1 (data=289652256, domain=274205624,
dest_types=<value optimized out>) at glyphs.c:1476
#16 0x10095364 in call_with_suspended_errors_1 (opaque_arg=<value optimized out>) at
eval.c:2113
#17 0x10093d30 in internal_catch (tag=<value optimized out>, func=0x10095120
<call_with_suspended_errors_1>, arg=272270952, threw=0xbfab43a8)
at eval.c:1318
#18 0x1009c774 in call_with_suspended_errors (fun=0x10157b60
<make_image_instance_1>, retval=1208397984, class=1208375928, errb=
{really_unlikely_name_to_have_accidentally_in_a_non_errb_structure = 0}, nargs=3) at
eval.c:2205
#19 0x1014dadc in Fmake_image_instance (data=<value optimized out>, domain=<value
optimized out>, dest_types=<value optimized out>,
noerror=<value optimized out>) at glyphs.c:1579
#20 0x1009709c in Ffuncall (nargs=<value optimized out>, args=0xbfab4504) at
eval.c:3536
#21 0x1005edc0 in execute_optimized_program (program=<value optimized out>,
stack_depth=<value optimized out>, constants_data=0x1143e4e0)
at bytecode.c:748
#22 0x1005f6e4 in funcall_compiled_function (fun=290229444, nargs=3, args=0xbfab4688) at
bytecode.c:519
#23 0x10096f90 in Ffuncall (nargs=<value optimized out>, args=0xbfab4684) at
eval.c:3572
#24 0x1005edc0 in execute_optimized_program (program=<value optimized out>,
stack_depth=<value optimized out>, constants_data=0x1143e480)
at bytecode.c:748
#25 0x1005f6e4 in funcall_compiled_function (fun=290229360, nargs=0, args=0xbfab47f8) at
bytecode.c:519
#26 0x10096f90 in Ffuncall (nargs=<value optimized out>, args=0xbfab47f4) at
eval.c:3572
#27 0x1005edc0 in execute_optimized_program (program=<value optimized out>,
stack_depth=<value optimized out>, constants_data=0x114dd370)
at bytecode.c:748
#28 0x1005f6e4 in funcall_compiled_function (fun=290229668, nargs=0, args=0xbfab4958) at
bytecode.c:519
#29 0x10096f90 in Ffuncall (nargs=<value optimized out>, args=0xbfab4954) at
eval.c:3572
#30 0x1005edc0 in execute_optimized_program (program=<value optimized out>,
stack_depth=<value optimized out>, constants_data=0x481c4edc)
at bytecode.c:748
#31 0x1005f6e4 in funcall_compiled_function (fun=1209969480, nargs=0, args=0xbfab4ac8) at
bytecode.c:519
#32 0x10096f90 in Ffuncall (nargs=<value optimized out>, args=0xbfab4ac4) at
eval.c:3572
#33 0x1005edc0 in execute_optimized_program (program=<value optimized out>,
stack_depth=<value optimized out>, constants_data=0x481c4f6c)
at bytecode.c:748
#34 0x1005f288 in Fbyte_code (instructions=<value optimized out>,
constants=1209814876, stack_depth=<value optimized out>) at bytecode.c:2407
#35 0x10099c48 in Feval (form=1209581812) at eval.c:3335
#36 0x1009cb8c in condition_case_1 (handlers=<value optimized out>, bfun=0x10098d90
<Feval>, barg=1209581812,
hfun=0x1009be40 <run_condition_case_handlers>, harg=1208361360) at eval.c:1652
#37 0x1005dd98 in execute_rare_opcode (stack_ptr=0xbfab4f74, program_ptr=<value
optimized out>, opcode=<value optimized out>) at bytecode.c:1273
#38 0x1005f0e4 in execute_optimized_program (program=<value optimized out>,
stack_depth=570565704, constants_data=0x481c4f98) at bytecode.c:658
#39 0x1005f6e4 in funcall_compiled_function (fun=1209969536, nargs=1, args=0xbfab50d8) at
bytecode.c:519
#40 0x10096f90 in Ffuncall (nargs=<value optimized out>, args=0xbfab50d4) at
eval.c:3572
#41 0x1005edc0 in execute_optimized_program (program=<value optimized out>,
stack_depth=<value optimized out>, constants_data=0x481c7950)
at bytecode.c:748
#42 0x1005f6e4 in funcall_compiled_function (fun=1209973428, nargs=2, args=0xbfab5248) at
bytecode.c:519
#43 0x10096f90 in Ffuncall (nargs=<value optimized out>, args=0xbfab5244) at
eval.c:3572
#44 0x1005edc0 in execute_optimized_program (program=<value optimized out>,
stack_depth=<value optimized out>, constants_data=0x481b9f24)
at bytecode.c:748
#45 0x1005f288 in Fbyte_code (instructions=<value optimized out>,
constants=1209769748, stack_depth=<value optimized out>) at bytecode.c:2407
#46 0x10099c48 in Feval (form=1209491908) at eval.c:3335
#47 0x1009cb8c in condition_case_1 (handlers=<value optimized out>, bfun=0x10098d90
<Feval>, barg=1209491908,
hfun=0x1009be40 <run_condition_case_handlers>, harg=1208372832) at eval.c:1652
#48 0x1005dd98 in execute_rare_opcode (stack_ptr=0xbfab5794, program_ptr=<value
optimized out>, opcode=<value optimized out>) at bytecode.c:1273
#49 0x1005f0e4 in execute_optimized_program (program=<value optimized out>,
stack_depth=671229000, constants_data=0x481c8d40) at bytecode.c:658
#50 0x1005f6e4 in funcall_compiled_function (fun=1209975276, nargs=1, args=0xbfab590c) at
bytecode.c:519
#51 0x10096f90 in Ffuncall (nargs=<value optimized out>, args=0xbfab5908) at
eval.c:3572
#52 0x1005edc0 in execute_optimized_program (program=<value optimized out>,
stack_depth=<value optimized out>, constants_data=0x481c903c)
at bytecode.c:748
#53 0x1005f6e4 in funcall_compiled_function (fun=1209975668, nargs=2, args=0xbfab5a64) at
bytecode.c:519
#54 0x10096f90 in Ffuncall (nargs=<value optimized out>, args=0xbfab5a60) at
eval.c:3572
#55 0x1006112c in Fcall_interactively (function=1208365200, record_flag=1208397984,
keys=1208397984) at callint.c:941
#56 0x1009b898 in Fcommand_execute (cmd=1208365200, record_flag=1208397984,
keys=1208397984) at eval.c:2974
---Type <return> to continue, or q <return> to quit---
#57 0x10103444 in execute_command_event (command_builder=0x104a5e88, event=281964360) at
event-stream.c:3924
#58 0x10103f20 in Fdispatch_event (event=281964360) at event-stream.c:4258
#59 0x1006bd0c in Fcommand_loop_1 () at cmdloop.c:583
#60 0x1009cb8c in condition_case_1 (handlers=<value optimized out>, bfun=0x1006bdd0
<command_loop_1>, barg=1208397984,
hfun=0x1006c340 <cmd_error>, harg=1208397984) at eval.c:1652
#61 0x1006c2e8 in command_loop_2 (dummy=<value optimized out>) at cmdloop.c:256
#62 0x10093d30 in internal_catch (tag=<value optimized out>, func=0x1006c270
<command_loop_2>, arg=1208397984, threw=0x0) at eval.c:1318
#63 0x1006cb48 in initial_command_loop (load_me=<value optimized out>) at
cmdloop.c:305
#64 0x1008fef8 in xemacs_21_4_21_powerpc_unknown_linux (argc=1, argv=0xbfab65a4,
envp=<value optimized out>, restart=0) at emacs.c:2460
#65 0x100908f4 in main (argc=<value optimized out>, argv=<value optimized
out>, envp=<value optimized out>) at emacs.c:2829
(gdb) quit
$
== =
Best regards,
Adam
--
"The unavoidable price of reliability is simplicity" Adam Sjøgren
asjo(a)koldfront.dk
_______________________________________________
XEmacs-Beta mailing list
XEmacs-Beta(a)xemacs.org
http://calypso.tux.org/cgi-bin/mailman/listinfo/xemacs-beta
12:28 p.m.
New subject: Improving faces inserting
On Tue, 06 May 2008 12:19:34 +0900, Stephen wrote:
Adam, can you send us a copy of the PNG in question?
Attached.
Best regards,
Adam
--
"The unavoidable price of reliability is simplicity" Adam Sjøgren
asjo(a)koldfront.dk
_______________________________________________
XEmacs-Beta mailing list
XEmacs-Beta(a)xemacs.org
http://calypso.tux.org/cgi-bin/mailman/listinfo/xemacs-beta
2:30 a.m.
New subject: Improving faces inserting
Adam Sjøgren wrote:
> Adam, can you send us a copy of the PNG in question?
Attached.
Attempting to display this message caused XEmacs to terminate rather
abruptly. The error message and gdb backtrace are attached.
This is with xemacs-21.4.21 and libpng-1.2.26.
--
Glynn Clements <glynn(a)gclements.plus.com>
Wed May 7 02:13:14 2008 :[glynn] Receive request failed
*** glibc detected *** xemacs: double free or corruption (!prev): 0x0961be70 ***
======= Backtrace: =========
/lib/libc.so.6[0xb7a473af]
/lib/libc.so.6(cfree+0x89)[0xb7a480e9]
xemacs[0x812bd68]
xemacs(unbind_to_hairy+0xa9)[0x80ba049]
xemacs(unbind_to+0x8f)[0x80ba0ff]
xemacs[0x812c1de]
xemacs[0x8124320]
xemacs[0x81266c5]
xemacs[0x80bb842]
xemacs(internal_catch+0x8f)[0x80b981f]
xemacs(call_with_suspended_errors+0x179)[0x80bb519]
xemacs[0x8186053]
xemacs(specifier_instance+0x377)[0x8186427]
xemacs(glyph_image_instance+0x42)[0x81246c2]
xemacs[0x81281be]
xemacs(get_glyph_cachel_index+0x9e)[0x812830e]
xemacs[0x815e467]
xemacs[0x816026e]
xemacs[0x8161e66]
xemacs[0x8166a96]
xemacs[0x8167659]
xemacs(point_in_line_start_cache+0x23c)[0x8167b8c]
xemacs(point_would_be_visible+0xa1)[0x8169951]
xemacs(Fpos_visible_in_window_p+0xa5)[0x81b1595]
xemacs(window_scroll+0x6d)[0x81b467d]
xemacs(Fscroll_up+0x31)[0x81b4f61]
xemacs(Ffuncall+0x3ee)[0x80be89e]
xemacs[0x80984fa]
xemacs(Fbyte_code+0xab)[0x809a76b]
xemacs(Feval+0x739)[0x80bde39]
xemacs(Fprogn+0x4b)[0x80be2bb]
xemacs(execute_rare_opcode+0x251)[0x8097a41]
xemacs[0x8097df3]
xemacs(Fbyte_code+0xab)[0x809a76b]
xemacs(Feval+0x739)[0x80bde39]
xemacs(condition_case_1+0x105)[0x80bb9b5]
xemacs(condition_case_3+0x14d)[0x80bd27d]
xemacs(execute_rare_opcode+0x1c0)[0x80979b0]
xemacs[0x8097df3]
xemacs(Fbyte_code+0xab)[0x809a76b]
xemacs(Feval+0x739)[0x80bde39]
xemacs(Fprogn+0x4b)[0x80be2bb]
xemacs(execute_rare_opcode+0x251)[0x8097a41]
xemacs[0x8097df3]
xemacs(funcall_compiled_function+0x125)[0x809a4c5]
xemacs(Ffuncall+0x263)[0x80be713]
xemacs[0x80984fa]
xemacs(funcall_compiled_function+0x125)[0x809a4c5]
xemacs(Ffuncall+0x263)[0x80be713]
xemacs[0x80984fa]
xemacs(funcall_compiled_function+0x125)[0x809a4c5]
xemacs(Ffuncall+0x263)[0x80be713]
xemacs[0x80984fa]
xemacs(funcall_compiled_function+0x125)[0x809a4c5]
xemacs(Ffuncall+0x263)[0x80be713]
xemacs[0x80984fa]
xemacs(funcall_compiled_function+0x125)[0x809a4c5]
xemacs(Ffuncall+0x263)[0x80be713]
xemacs(Fcall_interactively+0x1189)[0x809bbd9]
xemacs(Fcommand_execute+0x139)[0x80bfdc9]
xemacs[0x80fa661]
xemacs(Fdispatch_event+0x1ac)[0x80fa9fc]
xemacs(Fcommand_loop_1+0xf6)[0x80a21d6]
======= Memory map: ========
08048000-081ef000 r-xp 00000000 08:01 4948842 /usr/bin/xemacs-21.4.21
081ef000-081f0000 r--p 001a6000 08:01 4948842 /usr/bin/xemacs-21.4.21
081f0000-081fd000 rw-p 001a7000 08:01 4948842 /usr/bin/xemacs-21.4.21
081fd000-0a1aa000 rw-p 081fd000 00:00 0 [heap]
b7500000-b7521000 rw-p b7500000 00:00 0
b7521000-b7600000 ---p b7521000 00:00 0
b76e1000-b76e9000 r-xp 00000000 08:01 49972812
/usr/lib/gcc/i686-pc-linux-gnu/3.4.6/libgcc_s.so.1
b76e9000-b76ea000 rw-p 00007000 08:01 49972812
/usr/lib/gcc/i686-pc-linux-gnu/3.4.6/libgcc_s.so.1
b76ea000-b76ee000 r-xp 00000000 08:01 49861285 /usr/lib/libXfixes.so.3.1.0
b76ee000-b76ef000 rw-p 00003000 08:01 49861285 /usr/lib/libXfixes.so.3.1.0
b76ef000-b76f7000 r-xp 00000000 08:01 49861280 /usr/lib/libXrender.so.1.3.0
b76f7000-b76f8000 rw-p 00007000 08:01 49861280 /usr/lib/libXrender.so.1.3.0
b76f8000-b7700000 r-xp 00000000 08:01 49861290 /usr/lib/libXcursor.so.1.0.2
b7700000-b7701000 r--p 00007000 08:01 49861290 /usr/lib/libXcursor.so.1.0.2
b7701000-b7702000 rw-p 00008000 08:01 49861290 /usr/lib/libXcursor.so.1.0.2
b7702000-b770a000 r-xp 00000000 08:01 4883804 /lib/libnss_nis-2.6.1.so
b770a000-b770b000 r--p 00007000 08:01 4883804 /lib/libnss_nis-2.6.1.so
b770b000-b770c000 rw-p 00008000 08:01 4883804 /lib/libnss_nis-2.6.1.so
b770c000-b771f000 r-xp 00000000 08:01 4883803 /lib/libnsl-2.6.1.so
b771f000-b7720000 r--p 00012000 08:01 4883803 /lib/libnsl-2.6.1.so
b7720000-b7721000 rw-p 00013000 08:01 4883803 /lib/libnsl-2.6.1.so
b7721000-b7723000 rw-p b7721000 00:00 0
b7723000-b772a000 r-xp 00000000 08:01 4883806 /lib/libnss_compat-2.6.1.so
b772a000-b772b000 r--p 00006000 08:01 4883806 /lib/libnss_compat-2.6.1.so
b772b000-b772c000 rw-p 00007000 08:01 4883806 /lib/libnss_compat-2.6.1.so
b772c000-b7735000 r-xp 00000000 08:01 4883796 /lib/libnss_files-2.6.1.so
b7735000-b7736000 r--p 00008000 08:01 4883796 /lib/libnss_files-2.6.1.so
b7736000-b7737000 rw-p 00009000 08:01 4883796 /lib/libnss_files-2.6.1.so
b7737000-b79d3000 rw-p 00000000 08:01 4948783 /usr/bin/xemacs-21.4.21-47f37e25.dmp
b79d3000-b79d4000 rw-p b79d3000 00:00 0
b79d4000-b79d8000 r-xp 00000000 08:01 49860712 /usr/lib/libXdmcp.so.6.0.0
b79d8000-b79d9000 rw-p 00003000 08:01 49860712 /usr/lib/libXdmcp.so.6.0.0
b79d9000-b79da000 rw-p b79d9000 00:00 0
b79da000-b79dc000 r-xp 00000000 08:01 49860637 /usr/lib/libXau.so.6.0.0
b79dc000-b79dd000 rw-p 00001000 08:01 49860637 /usr/lib/libXau.so.6.0.0
b79dd000-b79df000 r-xp 00000000 08:01 4883789 /lib/libdl-2.6.1.so
b79df000-b79e0000 r--p 00001000 08:01 4883789 /lib/libdl-2.6.1.so
b79e0000-b79e1000 rw-p 00002000 08:01 4883789 /lib/libdl-2.6.1.so
b79e1000-b7b0d000 r-xp 00000000 08:01 4883785 /lib/libc-2.6.1.so
b7b0d000-b7b0f000 r--p 0012c000 08:01 4883785 /lib/libc-2.6.1.so
b7b0f000-b7b10000 rw-p 0012e000 08:01 4883785 /lib/libc-2.6.1.so
b7b10000-b7b13000 rw-p b7b10000 00:00 0
b7b13000-b7b15000 r-xp 00000000 08:01 4883807 /lib/libutil-2.6.1.so
b7b15000-b7b16000 r--p 00001000 08:01 4883807 /lib/libutil-2.6.1.so
b7b16000-b7b17000 rw-p 00002000 08:01 4883807 /lib/libutil-2.6.1.so
b7b17000-b7b3b000 r-xp 00000000 08:01 4883788 /lib/libm-2.6.1.so
b7b3b000-b7b3c000 r--p 00023000 08:01 4883788 /lib/libm-2.6.1.so
b7b3c000-b7b3d000 rw-p 00024000 08:01 4883788 /lib/libm-2.6.1.so
b7b3d000-b7b3e000 rw-p b7b3d000 00:00 0
b7b3e000-b7b79000 r-xp 00000000 08:01 5457256 /lib/libncurses.so.5.6
b7b79000-b7b81000 r--p 0003a000 08:01 5457256 /lib/libncurses.so.5.6
b7b81000-b7b82000 rw-p 00042000 08:01 5457256 /lib/libncurses.so.5.6
b7b82000-b7b83000 rw-p b7b82000 00:00 0
b7b83000-b7b88000 r-xp 00000000 08:01 49860603 /usr/lib/libgdbm.so.3.0.0
b7b88000-b7b89000 rw-p 00004000 08:01 49860603 /usr/lib/libgdbm.so.3.0.0
b7b89000-b7b8b000 r-xp 00000000 08:01 49860608 /usr/lib/libgdbm_compat.so.3.0.0
b7b8b000-b7b8c000 rw-p 00001000 08:01 49860608 /usr/lib/libgdbm_compat.so.3.0.0
b7b8c000-b7c9d000 r-xp 00000000 08:01 49862261 /usr/lib/libdb-4.5.so
b7c9d000-b7ca0000 rw-p 00110000 08:01 49862261 /usr/lib/libdb-4.5.so
b7ca0000-b7cb4000 r-xp 00000000 08:01 49860827 /usr/lib/libICE.so.6.3.0
b7cb4000-b7cb5000 r--p 00013000 08:01 49860827 /usr/lib/libICE.so.6.3.0
b7cb5000-b7cb6000 rw-p 00014000 08:01 49860827 /usr/lib/libICE.so.6.3.0
b7cb6000-b7cb8000 rw-p b7cb6000 00:00 0
b7cb8000-b7cbf000 r-xp 00000000 08:01 49860914 /usr/lib/libSM.so.6.0.0
b7cbf000-b7cc0000 r--p 00006000 08:01 49860914 /usr/lib/libSM.so.6.0.0
b7cc0000-b7cc1000 rw-p 00007000 08:01 49860914 /usr/lib/libSM.so.6.0.0
b7cc1000-b7cc2000 rw-p b7cc1000 00:00 0
b7cc2000-b7db3000 r-xp 00000000 08:01 49860717 /usr/lib/libX11.so.6.2.0
b7db3000-b7db4000 r--p 000f1000 08:01 49860717 /usr/lib/libX11.so.6.2.0
b7db4000-b7db7000 rw-p 000f2000 08:01 49860717 /usr/lib/libX11.so.6.2.0
b7db7000-b7db8000 rw-p b7db7000 00:00 0
b7db8000-b7dc5000 r-xp 00000000 08:01 49861132 /usr/lib/libXext.so.6.4.0
b7dc5000-b7dc6000 rw-p 0000d000 08:01 49861132 /usr/lib/libXext.so.6.4.0
b7dc6000-b7e14000 r-xp 00000000 08:01 49861041 /usr/lib/libXt.so.6.0.0
b7e14000-b7e18000 rw-p 0004d000 08:01 49861041 /usr/lib/libXt.so.6.0.0
b7e18000-b7e2c000 r-xp 00000000 08:01 49861203 /usr/lib/libXmu.so.6.2.0
b7e2c000-b7e2d000 rw-p 00014000 08:01 49861203 /usr/lib/libXmu.so.6.2.0
b7e2d000-b7e3c000 r-xp 00000000 08:01 49861308 /usr/lib/libXpm.so.4.11.0
b7e3c000-b7e3d000 r--p 0000e000 08:01 49861308 /usr/lib/libXpm.so.4.11.0
b7e3d000-b7e3e000 rw-p 0000f000 08:01 49861308 /usr/lib/libXpm.so.4.11.0
b7e3e000-b7e4f000 r-xp 00000000 08:01 5472458 /lib/libz.so.1.2.3
b7e4f000-b7e50000 r--p 00010000 08:01 5472458 /lib/libz.so.1.2.3
b7e50000-b7e51000 rw-p 00011000 08:01 5472458 /lib/libz.so.1.2.3
b7e51000-b7e52000 rw-p b7e51000 00:00 0
b7e52000-b7e70000 r-xp 00000000 08:01 3133594 /usr/lib/libjpeg.so.62.0.0
b7e70000-b7e71000 r--p 0001d000 08:01 3133594 /usr/lib/libjpeg.so.62.0.0
b7e71000-b7e72000 rw-p 0001e000 08:01 3133594 /usr/lib/libjpeg.so.62.0.0
b7e72000-b7e95000 r-xp 00000000 08:01 5227620 /usr/lib/libpng12.so.0.26.0
b7e95000-b7e96000 r--p 00022000 08:01 5227620 /usr/lib/libpng12.so.0.26.0
b7e96000-b7e97000 rw-p 00023000 08:01 5227620 /usr/lib/libpng12.so.0.26.0
b7e97000-b7ee7000 r-xp 00000000 08:01 49861411 /usr/lib/libtiff.so.3.8.2
b7ee7000-b7ee9000 r--p 00050000 08:01 49861411 /usr/lib/libtiff.so.3.8.2
b7ee9000-b7eea000 rw-p 00052000 08:01 49861411 /usr/lib/libtiff.so.3.8.2
b7eea000-b7f3e000 r-xp 00000000 08:01 49861317 /usr/lib/libXaw7.so.7.0.0
b7f3e000-b7f3f000 r--p 00053000 08:01 49861317 /usr/lib/libXaw7.so.7.0.0
b7f3f000-b7f46000 rw-p 00054000 08:01 49861317 /usr/lib/libXaw7.so.7.0.0
b7f46000-b7f55000 r-xp 00000000 08:01 49861210 /usr/lib/libRKC.so.1.2
b7f55000-b7f57000 rw-p 0000e000 08:01 49861210 /usr/lib/libRKC.so.1.2
b7f57000-b7f58000 rw-p b7f57000 00:00 0
b7f58000-b7f9d000 r-xp 00000000 08:01 49861565 /usr/lib/libcanna.so.1.2
b7f9d000-b7fa2000 rw-p 00045000 08:01 49861565 /usr/lib/libcanna.so.1.2
b7fa2000-b7fa7000 rw-p b7fa2000 00:00 0
b7fba000-b7fbb000 rw-p b7fba000 00:00 0
b7fbb000-b7fd5000 r-xp 00000000 08:01 4883808 /lib/ld-2.6.1.so
b7fd5000-b7fd6000 r--p 00019000 08:01 4883808 /lib/ld-2.6.1.so
b7fd6000-b7fd7000 rw-p 0001a000 08:01 4883808 /lib/ld-2.6.1.so
bfc45000-bfd0c000 rw-p bff39000 00:00 0 [stack]
ffffe000-fffff000 r-xp 00000000 00:00 0 [vdso]
Fatal error (6).
Your files have been auto-saved.
Use `M-x recover-session' to recover them.
Your version of XEmacs was distributed with a PROBLEMS file that may describe
your crash, and with luck a workaround. Please check it first, but do report
the crash anyway. Please report this bug by invoking M-x report-emacs-bug,
or by selecting `Send Bug Report' from the Help menu. If necessary, send
ordinary email to `xemacs-beta(a)xemacs.org'. *MAKE SURE* to include the XEmacs
configuration from M-x describe-installation, or equivalently the file
Installation in the top of the build tree.
*Please* try *hard* to obtain a C stack backtrace; without it, we are unlikely
to be able to analyze the problem. Locate the core file produced as a result
of this crash (often called `core' or `core.<process-id>', and located in
the directory in which you started XEmacs or your home directory), and type
gdb /usr/bin/xemacs core
then type `where' at the debugger prompt. No GDB on your system? You may
have DBX, or XDB, or SDB. (Ask your system administrator if you need help.)
If no core file was produced, enable them (often with `ulimit -c unlimited'
in case of future recurrance of the crash.
Lisp backtrace follows:
# (unwind-protect ...)
# (unwind-protect ...)
# (catch #<INTERNAL OBJECT (XEmacs bug?) (opaque-ptr, adr=0x82c92e0) 0x82f5530>
...)
# (unwind-protect ...)
# bind (inhibit-quit)
scroll-up(nil)
# bind (scroll-in-place-replace-original)
byte-code("..." [scroll-in-place-replace-original nil scroll-up] 2)
# (unwind-protect ...)
# (unwind-protect ...)
# bind (next-screen-context-lines)
byte-code("..." [w next-screen-context-lines 0 select-window ((byte-code
"ÁÂÁ!š)Á§" ... 2)) nil] 2)
# (condition-case ... . ((error t)))
byte-code("..." [nil (byte-code "ÂÃ!šªÄ«š*ŧ" [w
next-screen-context-lines 0 select-window ... nil] 2) ((error t))] 3)
# (unwind-protect ...)
# (unwind-protect ...)
# bind (w)
vm-howl-if-eom()
# (unwind-protect ...)
# bind (vm-sbe-buffer)
vm-show-current-message()
# (unwind-protect ...)
# bind (vm-sbe-buffer just-passing-through)
vm-preview-current-message()
# (unwind-protect ...)
# bind (point message-pointer message-list mp)
vm-follow-summary-cursor()
# bind (arg)
vm-scroll-forward(nil)
# bind (command-debug-status)
call-interactively(vm-scroll-forward)
# (condition-case ... . error)
# (catch top-level ...)
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7a0ac96 in kill () from /lib/libc.so.6
#2 0x080b6ccd in fatal_error_signal (sig=6) at emacs.c:642
#3 <signal handler called>
#4 0xffffe410 in __kernel_vsyscall ()
#5 0xb7a0a971 in *__GI_raise (sig=6)
at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6 0xb7a0c258 in *__GI_abort () at abort.c:88
#7 0xb7a40f81 in __libc_message (do_abort=2,
fmt=0xb7af74f4 "*** glibc detected *** %s: %s: 0x%s ***\n")
at ../sysdeps/unix/sysv/linux/libc_fatal.c:170
#8 0xb7a473af in malloc_printerr (action=2,
str=0xb7af7560 "double free or corruption (!prev)", ptr=0x0)
at malloc.c:5887
#9 0xb7a480e9 in *__GI___libc_free (mem=0x961be70) at malloc.c:3622
#10 0x0812bd68 in png_instantiate_unwind (unwind_obj=0) at glyphs-eimage.c:860
#11 0x080ba049 in unbind_to_hairy (count=25) at eval.c:4984
#12 0x080ba0ff in unbind_to (count=25, value=-1216925608) at eval.c:4959
#13 0x0812c1de in png_instantiate (image_instance=152988192,
instantiator=150824576, pointer_fg=-1216925608, pointer_bg=-1216925608,
dest_mask=111, domain=157808392) at glyphs-eimage.c:1051
#14 0x08124320 in instantiate_image_instantiator (governing_domain=156583632,
domain=157808392, instantiator=150824576, pointer_fg=-1216925608,
pointer_bg=-1216925608, dest_mask=111, glyph=152456744) at glyphs.c:776
#15 0x081266c5 in image_instantiate (specifier=30261, matchspec=-1217157940,
domain=157808392, instantiator=150824576, depth=6) at glyphs.c:3259
#16 0x080bb842 in call_with_suspended_errors_1 (opaque_arg=0) at eval.c:2112
#17 0x080b981f in internal_catch (tag=0,
func=0x80bb720 <call_with_suspended_errors_1>, arg=143447144,
threw=0xbfd086b4) at eval.c:1318
#18 0x080bb519 in call_with_suspended_errors (
fun=0x8126310 <image_instantiate>, retval=-1217157940, class=1,
errb=134985504, nargs=5) at eval.c:2205
#19 0x08186053 in specifier_instance_from_inst_list (specifier=147399320,
matchspec=-1217157940, domain=157808392, inst_list=147154360,
errb=ERROR_ME_NOT, no_quit=1, depth=3) at specifier.c:2510
#20 0x08186427 in specifier_instance (specifier=147399320,
matchspec=-1217157940, domain=157808392, errb=ERROR_ME_NOT, no_quit=1,
no_fallback=0, depth=3) at specifier.c:2625
#21 0x081246c2 in glyph_image_instance (glyph=0, domain=0, errb=ERROR_ME,
no_quit=0) at glyphs.c:3853
#22 0x081281be in update_glyph_cachel_data (w=0x967f708, glyph=152456744,
cachel=0xbfd088b0) at glyphs.c:4170
#23 0x0812830e in get_glyph_cachel_index (w=0x967f708, glyph=6)
at glyphs.c:4198
#24 0x0815e467 in add_glyph_rune (data=0xbfd08ae0, gb=0x9256e38, pos_type=0,
allow_cursor=0, cachel=0x0) at redisplay.c:1679
#25 0x0816026e in add_glyph_runes (data=0xbfd08ae0, pos_type=0)
at redisplay.c:1963
#26 0x08161e66 in generate_display_line (w=0x967f708, dl=0x95c5930, bounds=1,
start_pos=6342, prop=0xbfd08bcc, type=0) at redisplay.c:2325
#27 0x08166a96 in regenerate_window (w=0x967f708, start_pos=6342, point=0,
type=2) at redisplay.c:5367
#28 0x08167659 in update_line_start_cache (w=0x967f708, from=5575, to=6682,
point=5575, no_regen=0) at redisplay.c:8196
#29 0x08167b8c in point_in_line_start_cache (w=0x967f708, point=5575,
min_past=0) at redisplay.c:7506
#30 0x08169951 in point_would_be_visible (w=0x967f708, startp=5575,
point=6223) at redisplay.c:7683
#31 0x081b1595 in Fpos_visible_in_window_p (pos=12447, window=0)
at window.c:1294
#32 0x081b467d in window_scroll (window=157808392, count=-1216925608,
direction=1, errb=ERROR_ME) at window.c:4296
#33 0x081b4f61 in Fscroll_up (count=6) at window.c:4560
#34 0x080be89e in Ffuncall (nargs=2, args=0x1) at eval.c:3536
#35 0x080984fa in execute_optimized_program (program=0x0, stack_depth=6,
constants_data=0x9393028) at bytecode.c:748
#36 0x0809a76b in Fbyte_code (instructions=30261, constants=154742808,
stack_depth=0) at bytecode.c:2407
#37 0x080bde39 in Feval (form=157533392) at eval.c:3335
#38 0x080be2bb in Fprogn (args=157533416) at eval.c:775
#39 0x08097a41 in execute_rare_opcode (stack_ptr=0xbfd09104,
program_ptr=0xbfd09179 "\210*Å\207Õ\017\b µ＠\tZ_\001",
opcode=Bsave_window_excursion) at bytecode.c:1241
#40 0x08097df3 in execute_optimized_program (program=0x0, stack_depth=6,
constants_data=0x9393048) at bytecode.c:658
#41 0x0809a76b in Fbyte_code (instructions=30261, constants=154742840,
stack_depth=0) at bytecode.c:2407
#42 0x080bde39 in Feval (form=157533320) at eval.c:3335
#43 0x080bb9b5 in condition_case_1 (handlers=0, bfun=0x80bd700 <Feval>,
barg=157533320, hfun=0x80c0520 <run_condition_case_handlers>,
harg=-1216925608) at eval.c:1652
#44 0x080bd27d in condition_case_3 (bodyform=0, var=-1216925608,
handlers=157533344) at eval.c:1730
#45 0x080979b0 in execute_rare_opcode (stack_ptr=0xbfd09474,
program_ptr=0xbfd094e4 "\2070w·šïv·\001", opcode=Bcondition_case)
at bytecode.c:1273
#46 0x08097df3 in execute_optimized_program (program=0x0, stack_depth=6,
constants_data=0x9393078) at bytecode.c:658
#47 0x0809a76b in Fbyte_code (instructions=30261, constants=154742888,
stack_depth=0) at bytecode.c:2407
#48 0x080bde39 in Feval (form=157533248) at eval.c:3335
#49 0x080be2bb in Fprogn (args=157533272) at eval.c:775
#50 0x08097a41 in execute_rare_opcode (stack_ptr=0xbfd096c4,
program_ptr=0x94c75ca ")\020\t＠\211\030ÅHÆH)dU\003Ç )\207L\tX0w·)",
opcode=Bsave_window_excursion) at bytecode.c:1241
#51 0x08097df3 in execute_optimized_program (program=0x0, stack_depth=6,
constants_data=0x9393098) at bytecode.c:658
#52 0x0809a4c5 in funcall_compiled_function (fun=154739800, nargs=0,
args=0xbfd09818) at bytecode.c:516
#53 0x080be713 in Ffuncall (nargs=1, args=0xbfd09814) at eval.c:3572
#54 0x080984fa in execute_optimized_program (program=0x0, stack_depth=6,
constants_data=0x963cb48) at bytecode.c:748
#55 0x0809a4c5 in funcall_compiled_function (fun=154740472, nargs=0,
args=0xbfd09978) at bytecode.c:516
#56 0x080be713 in Ffuncall (nargs=1, args=0xbfd09974) at eval.c:3572
#57 0x080984fa in execute_optimized_program (program=0x0, stack_depth=6,
constants_data=0x963c9e0) at bytecode.c:748
#58 0x0809a4c5 in funcall_compiled_function (fun=154740444, nargs=0,
args=0xbfd09ad8) at bytecode.c:516
#59 0x080be713 in Ffuncall (nargs=1, args=0xbfd09ad4) at eval.c:3572
#60 0x080984fa in execute_optimized_program (program=0x0, stack_depth=6,
constants_data=0x95ca8b0) at bytecode.c:748
#61 0x0809a4c5 in funcall_compiled_function (fun=154637284, nargs=0,
args=0xbfd09c38) at bytecode.c:516
#62 0x080be713 in Ffuncall (nargs=1, args=0xbfd09c34) at eval.c:3572
#63 0x080984fa in execute_optimized_program (program=0x0, stack_depth=6,
constants_data=0x9660040) at bytecode.c:748
#64 0x0809a4c5 in funcall_compiled_function (fun=154739744, nargs=1,
args=0xbfd09db4) at bytecode.c:516
#65 0x080be713 in Ffuncall (nargs=2, args=0xbfd09db0) at eval.c:3572
#66 0x0809bbd9 in Fcall_interactively (function=145759788,
record_flag=-1216925608, keys=-1216925608) at callint.c:941
#67 0x080bfdc9 in Fcommand_execute (cmd=145759788, record_flag=0, keys=0)
at eval.c:2974
#68 0x080fa661 in execute_command_event (command_builder=0x9323910,
event=153600936) at event-stream.c:3924
#69 0x080fa9fc in Fdispatch_event (event=153600936) at event-stream.c:4258
#70 0x080a21d6 in Fcommand_loop_1 () at cmdloop.c:583
#71 0x080bb9b5 in condition_case_1 (handlers=0,
bfun=0x80a2260 <command_loop_1>, barg=-1216925608,
hfun=0x80a1b20 <cmd_error>, harg=-1216925608) at eval.c:1652
#72 0x080a1d0c in command_loop_2 (dummy=-1216925608) at cmdloop.c:256
#73 0x080b981f in internal_catch (tag=0, func=0x80a1cd0 <command_loop_2>,
arg=-1216925608, threw=0x0) at eval.c:1318
#74 0x080a1e6e in initial_command_loop (load_me=0) at cmdloop.c:305
#75 0x080b877c in xemacs_21_4_21_i686_pc_linux (argc=1, argv=0xbfd0a3a4,
envp=0xbfd0a3ac, restart=0) at emacs.c:2460
#76 0x080b9347 in main (argc=0, argv=0x0, envp=0x0) at emacs.c:2892
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4:28 a.m.
New subject: Improving faces inserting
BTW, I've posted a very brief report to the tracker as
http://tracker.xemacs.org/XEmacs/its/issue373 and assigned it to Jerry.
Thanks guys!
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12:28 p.m.
New subject: Improving faces inserting
On Mon, 5 May 2008 16:34:26 -0600, Jerry wrote:
I can see all of those steps taking place in your backtrace, and #8
should prevent exactly the problem you are seeing. Would you be
willing to do the following?
1. Run XEmacs under gdb. Don't set any breakpoints yet.
2. Start Gnus. Get ready to read the offending article.
3. Break into the debugger and set a breakpoint at glyphs-eimage.c, line 908.
4. When that gets hit, set a watchpoint on unwind.info_ptr.
5. Continue and see what happens.
I have tried to do this now, this is what happened:
$ ulimit -c unlimited
$ gdb /usr/bin/xemacs
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "powerpc-linux-gnu"...
(gdb) run
Starting program: /usr/bin/xemacs
[Thread debugging using libthread_db enabled]
[New Thread 0x48026cd0 (LWP 3060)]
^C
Program received signal SIGINT, Interrupt.
[Switching to Thread 0x48026cd0 (LWP 3060)]
0x0f76c010 in poll () from /lib/libc.so.6
(gdb) break glyphs-eimage.c:908
Breakpoint 1 at 0x1015b500: file glyphs-eimage.c, line 908.
(gdb) continue
Continuing.
Breakpoint 1, png_instantiate (image_instance=290807504, instantiator=294367528,
pointer_fg=<value optimized out>, pointer_bg=<value optimized out>,
dest_mask=111, domain=294991480)
at glyphs-eimage.c:908
908 unwind.info_ptr = info_ptr;
(gdb) watch unwind.info_ptr
Hardware watchpoint 2: unwind.info_ptr
(gdb) continue
Continuing.
*** glibc detected *** /usr/bin/xemacs: double free or corruption (out): 0x1155cce0 ***
======= Backtrace: =========
/lib/libc.so.6[0xf70ec88]
/lib/libc.so.6(cfree+0xcc)[0xf71133c]
/usr/bin/xemacs(xfree_1+0x30)[0x10048550]
/usr/bin/xemacs[0x1015b76c]
/usr/bin/xemacs[0x10155684]
/usr/bin/xemacs[0x10158a00]
/usr/bin/xemacs[0x100953fc]
/usr/bin/xemacs(internal_catch+0xd0)[0x10093d30]
/usr/bin/xemacs(call_with_suspended_errors+0x1e4)[0x1009c774]
/usr/bin/xemacs[0x101eb83c]
/usr/bin/xemacs(specifier_instance+0x344)[0x101ec094]
/usr/bin/xemacs(glyph_image_instance+0x84)[0x1014df94]
/usr/bin/xemacs(invalidate_glyph_geometry_maybe+0x13c)[0x1014e38c]
/usr/bin/xemacs[0x101b3de0]
/usr/bin/xemacs[0x101b493c]
/usr/bin/xemacs[0x101bbb64]
/usr/bin/xemacs[0x101bf7b0]
/usr/bin/xemacs[0x101c5f9c]
/usr/bin/xemacs[0x101c6f4c]
/usr/bin/xemacs[0x101c5d6c]
/usr/bin/xemacs[0x101c6f4c]
/usr/bin/xemacs(redisplay_frame+0x114)[0x101c70c4]
/usr/bin/xemacs[0x101c743c]
/usr/bin/xemacs(redisplay+0x55c)[0x101c7fdc]
/usr/bin/xemacs(Fnext_event+0xd74)[0x10106144]
/usr/bin/xemacs(Fcommand_loop_1+0x21c)[0x1006bcfc]
/usr/bin/xemacs(condition_case_1+0x10c)[0x1009cb8c]
/usr/bin/xemacs[0x1006c2e8]
/usr/bin/xemacs(internal_catch+0xd0)[0x10093d30]
/usr/bin/xemacs(initial_command_loop+0x358)[0x1006cb48]
/usr/bin/xemacs(xemacs_21_4_21_powerpc_unknown_linux+0xa88)[0x1008fef8]
/usr/bin/xemacs[0x100908f4]
/lib/libc.so.6[0xf6ad720]
/lib/libc.so.6[0xf6ad8e0]
======= Memory map: ========
00100000-00103000 r-xp 00100000 00:00 0 [vdso]
0f1e6000-0f1ea000 r-xp 00000000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1ea000-0f1f9000 ---p 00004000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1f9000-0f1fa000 r--p 00003000 03:03 48522245 /lib/libnss_dns-2.7.so
0f1fa000-0f1fb000 rw-p 00004000 03:03 48522245 /lib/libnss_dns-2.7.so
0f20b000-0f211000 r-xp 00000000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f211000-0f220000 ---p 00006000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f220000-0f221000 rw-p 00005000 03:03 151539028 /usr/lib/libnss_db-2.2.3.so
0f231000-0f237000 r-xp 00000000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f237000-0f246000 ---p 00006000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f246000-0f247000 rwxp 00005000 03:03 151539146 /usr/lib/libXfixes.so.3.1.0
0f257000-0f263000 r-xp 00000000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f263000-0f272000 ---p 0000c000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f272000-0f273000 rw-p 0000b000 03:03 151538361 /usr/lib/libXrender.so.1.3.0
0f283000-0f28e000 r-xp 00000000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f28e000-0f29d000 ---p 0000b000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f29d000-0f29e000 rw-p 0000a000 03:03 151541022 /usr/lib/libXcursor.so.1.0.2
0f2ae000-0f2b0000 r-xp 00000000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2b0000-0f2bf000 ---p 00002000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2bf000-0f2c0000 r--p 00001000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2c0000-0f2c1000 rw-p 00002000 03:03 115942607 /usr/lib/gconv/ISO8859-1.so
0f2d1000-0f2db000 r-xp 00000000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2db000-0f2eb000 ---p 0000a000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2eb000-0f2ec000 r--p 0000a000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2ec000-0f2ed000 rw-p 0000b000 03:03 48538087 /lib/libnss_nis-2.7.so
0f2fd000-0f313000 r-xp 00000000 03:03 48323667 /lib/libnsl-2.7.so
0f313000-0f323000 ---p 00016000 03:03 48323667 /lib/libnsl-2.7.so
0f323000-0f324000 r--p 00016000 03:03 48323667 /lib/libnsl-2.7.so
0f324000-0f325000 rw-p 00017000 03:03 48323667 /lib/libnsl-2.7.so
0f325000-0f327000 rw-p 0f325000 00:00 0
0f337000-0f33f000 r-xp 00000000 03:03 48323669 /lib/libnss_compat-2.7.so
0f33f000-0f34e000 ---p 00008000 03:03 48323669 /lib/libnss_compat-2.7.so
0f34e000-0f34f000 r--p 00007000 03:03 48323669 /lib/libnss_compat-2.7.so
0f34f000-0f350000 rw-p 00008000 03:03 48323669 /lib/libnss_compat-2.7.so
0f360000-0f36b000 r-xp 00000000 03:03 48538085 /lib/libnss_files-2.7.so
0f36b000-0f37a000 ---p 0000b000 03:03 48538085 /lib/libnss_files-2.7.so
0f37a000-0f37b000 r--p 0000a000 03:03 48538085 /lib/libnss_files-2.7.so
0f37b000-0f37c000 rw-p 0000b000 03:03 48538085 /lib/libnss_files-2.7.so
0f38c000-0f3fd000 r-xp 00000000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f3fd000-0f40d000 ---p 00071000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f40d000-0f40f000 rw-p 00071000 03:03 151538524 /usr/lib/libgcrypt.so.11.4.4
0f41f000-0f423000 r-xp 00000000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f423000-0f432000 ---p 00004000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f432000-0f433000 rwxp 00003000 03:03 151538806 /usr/lib/libgpg-error.so.0.3.0
0f443000-0f453000 r-xp 00000000 03:03 151529797 /usr/lib/libtasn1.so.3.0.15
0f453000-0f454000 rw-p 00010000 03:03 151529797 /usr/lib/libtasn1.so.3.0.15
0f464000-0f4ed000 r-xp 00000000 03:03 151538253 /usr/lib/libgnutls.so.26.1.4
0f4ed000-0f4fc000 ---p 00089000 03:03 151538253 /usr/lib/libgnutls.so.26.1.4
0f4fc000-0f503000 rw-p 00088000 03:03 151538253 /usr/lib/libgnutls.so.26.1.4
0f513000-0f52f000 r-xp 0000000
Program received signal SIGABRT, Aborted.
0x0f6c5e5c in raise () from /lib/libc.so.6
(gdb) bt
#0 0x0f6c5e5c in raise () from /lib/libc.so.6
#1 0x0f6c7af4 in abort () from /lib/libc.so.6
#2 0x0f7070d4 in ?? () from /lib/libc.so.6
#3 0x0f70ec88 in ?? () from /lib/libc.so.6
#4 0x0f71133c in free () from /lib/libc.so.6
#5 0x10048550 in xfree_1 (block=0x1155cce0) at alloc.c:296
#6 0x1015b76c in png_instantiate (image_instance=290807504, instantiator=294367528,
pointer_fg=<value optimized out>, pointer_bg=<value optimized out>,
dest_mask=111, domain=294991480)
at glyphs-eimage.c:1041
#7 0x10155684 in instantiate_image_instantiator (governing_domain=273208400,
domain=294991480,
instantiator=294367528, pointer_fg=2, pointer_bg=1208397984, dest_mask=111,
glyph=<value optimized out>)
at glyphs.c:776
#8 0x10158a00 in image_instantiate (specifier=<value optimized out>,
matchspec=<value optimized out>,
domain=294991480, instantiator=294367528, depth=<value optimized out>) at
glyphs.c:3259
#9 0x100953fc in call_with_suspended_errors_1 (opaque_arg=<value optimized out>) at
eval.c:2113
#10 0x10093d30 in internal_catch (tag=<value optimized out>, func=0x10095120
<call_with_suspended_errors_1>,
arg=272270960, threw=0xbf8204b8) at eval.c:1318
#11 0x1009c774 in call_with_suspended_errors (fun=0x10158570 <image_instantiate>,
retval=1208170752,
class=1208397984, errb=Cannot access memory at address 0x0
) at eval.c:2205
#12 0x101eb83c in specifier_instance_from_inst_list (specifier=291096976,
matchspec=1208170752,
domain=294991480, inst_list=291477184, errb=
{really_unlikely_name_to_have_accidentally_in_a_non_errb_structure = 42},
no_quit=<value optimized out>,
depth=3) at specifier.c:2510
#13 0x101ec094 in specifier_instance (specifier=291096976, matchspec=1208170752,
domain=294991480, errb=
{really_unlikely_name_to_have_accidentally_in_a_non_errb_structure = 42}, no_quit=1,
no_fallback=0,
depth=3) at specifier.c:2625
---Type <return> to continue, or q <return> to quit---
#14 0x1014df94 in glyph_image_instance (glyph=291896744, domain=294991480, errb=
{really_unlikely_name_to_have_accidentally_in_a_non_errb_structure = 42}, no_quit=1)
at glyphs.c:3855
#15 0x1014e38c in invalidate_glyph_geometry_maybe (glyph_or_ii=291896744, w=0x11953678) at
glyphs.c:2117
#16 0x101b3de0 in add_glyph_rune (data=0xbf820794, gb=0x11555f70, pos_type=1,
allow_cursor=0, cachel=0x0)
at redisplay.c:1671
#17 0x101b493c in add_glyph_runes (data=0xbf820794, pos_type=1) at redisplay.c:1963
#18 0x101bbb64 in generate_display_line (w=0x11953678, dl=0xbf8208d4, bounds=<value
optimized out>,
start_pos=1, prop=0xbf8208a8, type=<value optimized out>) at redisplay.c:2318
#19 0x101bf7b0 in regenerate_window (w=0x11953678, start_pos=1, point=<value optimized
out>, type=1)
at redisplay.c:5367
#20 0x101c5f9c in redisplay_window (window=294991480, skip_selected=<value optimized
out>) at redisplay.c:6157
#21 0x101c6f4c in redisplay_windows (window=294991480, skip_selected=1) at
redisplay.c:6421
#22 0x101c5d6c in redisplay_window (window=294990440, skip_selected=1) at
redisplay.c:6051
#23 0x101c6f4c in redisplay_windows (window=294990440, skip_selected=1) at
redisplay.c:6421
#24 0x101c70c4 in redisplay_frame (f=0x10580aa0, preemption_check=0) at redisplay.c:6598
#25 0x101c743c in redisplay_device (d=0x1048d450, automatic=<value optimized out>)
at redisplay.c:6679
#26 0x101c7fdc in redisplay () at redisplay.c:6766
#27 0x10106144 in Fnext_event (event=275368836, prompt=<value optimized out>) at
event-stream.c:2179
#28 0x1006bcfc in Fcommand_loop_1 () at cmdloop.c:574
#29 0x1009cb8c in condition_case_1 (handlers=<value optimized out>, bfun=0x1006bdd0
<command_loop_1>,
barg=1208397984, hfun=0x1006c340 <cmd_error>, harg=1208397984) at eval.c:1652
#30 0x1006c2e8 in command_loop_2 (dummy=<value optimized out>) at cmdloop.c:256
#31 0x10093d30 in internal_catch (tag=<value optimized out>, func=0x1006c270
<command_loop_2>, arg=1208397984,
threw=0x0) at eval.c:1318
#32 0x1006cb48 in initial_command_loop (load_me=<value optimized out>) at
cmdloop.c:305
#33 0x1008fef8 in xemacs_21_4_21_powerpc_unknown_linux (argc=1, argv=0xbf821594,
envp=<value optimized out>,
---Type <return> to continue, or q <return> to quit---
restart=0) at emacs.c:2460
#34 0x100908f4 in main (argc=<value optimized out>, argv=<value optimized
out>, envp=<value optimized out>)
at emacs.c:2829
(gdb) quit
The program is running. Exit anyway? (y or n) y
$ ls *core*
ls: cannot access *core*: No such file or directory
$
Does that help?
Best regards,
Adam
--
"The unavoidable price of reliability is simplicity" Adam Sjøgren
asjo(a)koldfront.dk
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4:37 p.m.
New subject: Improving faces inserting
On Tue, May 6, 2008 at 5:28 AM, Adam Sjøgren <asjo(a)koldfront.dk> wrote:
I have tried to do this now, this is what happened:
[snip]
Does that help?
Yes, it certainly does. The watchpoint was never triggered. Since
that is the only place where XEmacs had the pointer in question, that
means that XEmacs did not touch the pointer, which makes the
possibility of the bug being in XEmacs code even more remote. It
doesn't prove that the bug is not in XEmacs, but it makes it much less
likely. We could still have some kind of random heap corruption bug
that touches the memory in question without going through the pointer.
But that would tend to trigger segfaults, which you aren't seeing.
--
Jerry James
http://loganjerry.googlepages.com/
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9:51 p.m.
New subject: Improving faces inserting
On Tue, 6 May 2008 09:37:50 -0600, Jerry wrote:
On Tue, May 6, 2008 at 5:28 AM, Adam Sjøgren
<asjo(a)koldfront.dk> wrote:
> I have tried to do this now, this is what happened:
[snip]
> Does that help?
Yes, it certainly does. The watchpoint was never triggered. Since
that is the only place where XEmacs had the pointer in question, that
means that XEmacs did not touch the pointer, which makes the
possibility of the bug being in XEmacs code even more remote.
Ok.
It doesn't prove that the bug is not in XEmacs, but it makes it
much
less likely. We could still have some kind of random heap corruption
bug that touches the memory in question without going through the
pointer. But that would tend to trigger segfaults, which you aren't
seeing.
Did you notice that when I just open the png with C-x C-f face.png RET,
I _do_ get a segfault (as reported in <87prrzhdtq.fsf(a)topper.koldfront.dk>),
or does that not affect the conclusion?
Best regards,
Adam
--
"The unavoidable price of reliability is simplicity" Adam Sjøgren
asjo(a)koldfront.dk
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5827
days inactive
5833
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16 comments
4 participants
participants (4)
-
Adam Sjøgren -
Glynn Clements -
Jerry James -
Stephen J. Turnbull