Michael Matson <michael(a)vetl.org> writes:
 ================================================================
 Dear Bug Team!
 I just upgraded my system to FC4 and even when hiding all my prior
 config files from FC3, Xemacs core dumps and exits when trying to
 syntax highlight a file. The lisp back-trace is included below. The C
 Stack-backtrace produced no data ("no stack"). A web search indicates
 this is a known (or becoming known) problem with Xemacs on FC4
 systems. 
Hi Michael, looks like a known crash in progress-feedback code.
I have been using following workaround for a long time:
(setq progress-feedback-use-echo-area t)
Hope this helps,
Adrian
 Hope all this helps.
 Lisp backtrace follows:
   dispatch-non-command-events()
   # (condition-case ... . ((nil)))
   progress-feedback-dispatch-non-command-events()
   # bind (ext gutter-string val zmacs-region-stays inhibit-read-only frame value
message)
   raw-append-progress-feedback("Fontifying Opening.Day.06-14-590.tex...
(syntactically)" 5 #<x-frame "emacs" 0x151d>)
   # bind (tmsg top frame value message label)
   append-progress-feedback(font-lock "Fontifying Opening.Day.06-14-590.tex...
(syntactically)" 5 nil)
   # bind (frame value message label)
   display-progress-feedback(font-lock "Fontifying Opening.Day.06-14-590.tex...
(syntactically)" 5)
   # bind (str)
   # (unwind-protect ...)
   # bind (args value fmt label)
   progress-feedback-with-label(font-lock "Fontifying %s... (syntactically)" 5
"Opening.Day.06-14-590.tex")
   # bind (loudly end start)
   font-lock-fontify-syntactically-region(1 126038 nil)
   # (unwind-protect ...)
   # bind (modified buffer-undo-list inhibit-read-only old-syntax-table buffer-file-name
buffer-file-truename loudly end beg)
   font-lock-default-fontify-region(1 126038 nil)
   # bind (loudly end beg)
   font-lock-fontify-region(1 126038)
   # (unwind-protect ...)
   byte-code("..." [font-lock-fontify-region] 3)
   # (condition-case ... . ((t (byte-code "%Gï¿¿ï¿¿%@ ... 2))))
   # bind (was-on font-lock-verbose font-lock-message-threshold aborted)
   # (unwind-protect ...)
   font-lock-default-fontify-buffer()
   # bind (font-lock-verbose)
   font-lock-fontify-buffer()
   # bind (on-p maximum-size arg)
   font-lock-mode(1)
   turn-on-font-lock()
   # bind (explicit-defaults)
   font-lock-set-defaults()
   run-hooks(font-lock-set-defaults)
   # 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 %Gï¿¿ï¿¿ï¿¿%@  
%Gï¿¿ï¿¿%@\"%Gï¿¿ï¿¿%@ %Gï¿¿ï¿¿%@\"%Gï¿¿%@" [rawfile filename
insert-file-contents-literally t insert-file-contents] 3) ((file-error ...))
abbreviate-file-name file-name-directory make-local-variable backup-inhibited t
after-find-file find-file-use-truenames default-directory backup-enable-predicate rawfile
error nowarn] 3)
   # (condition-case ... . ((t (byte-code "%Gï¿¿%@!%Gï¿¿%@   @       A\" ...
3))))
   # (unwind-protect ...)
   # bind (error number truename buf rawfile nowarn filename)
   find-file-noselect("/mnt/fiction/auberon/misc/Opening.Day.06-14-590.tex")
   # bind (codesys filename)
   find-file("/mnt/fiction/auberon/misc/Opening.Day.06-14-590.tex" nil)
   # bind (coding-system)
   dired-advertised-find-file(nil)
   # bind (command-debug-status)
   call-interactively(dired-advertised-find-file)
   # (condition-case ... . error)
   # (catch top-level ...)
 Segmentation fault
 ================================================================
 System Info to help track down your bug:
 ---------------------------------------
 uname -a: Linux 
tweety.build.redhat.com 2.4.21-14.ELsmp #1 SMP Wed Apr 14 18:55:47 EDT
2004 i686 i686 i386 GNU/Linux
 ./configure  'i386-redhat-linux-gnu' '--prefix=/usr'
'--datadir=/usr/share' '--docdir=/usr/lib/xemacs-21.4.15/doc/'
'--infodir=/usr/share/info' '--libdir=/usr/lib'
'--mandir=/usr/share/man/man1' '--with-gpm=yes'
'--with-sound=native' '--with-pop' '--mail-locking=lockf'
'--with-clash-detection' '--debug=yes' '--with-mule=yes'
'--with-canna=yes' '--with-wnn=yes' '--with-xim=xlib'
'--with-database=no' '--with-postgresql=no' '--with-ldap=no'
'--with-hesiod=no' '--with-athena=3d' '--with-widgets=athena'
'--with-menubars=lucid' '--with-scrollbars=lucid'
'--with-dialogs=athena' '--with-msw=no' '--with-xfs=no'
'--pdump'
 XEmacs 21.4.15 "Security Through Obscurity" configured for
`i386-redhat-linux'.
 Compilation / Installation:
   Source code location:              /usr/src/build/471418-i386/BUILD/xemacs-21.4.15
   Installation prefix:               /usr
   Operating system description file: `s/linux.h'
   Machine description file:          `m/intel386.h'
   Compiler:                          gcc -O2 -g -pipe -m32 -march=i386 -mtune=pentium4
   Compiler version:                  gcc (GCC) 3.4.2 20041006 (Red Hat 3.4.2-5)
   Compiler specs file:               /usr/lib/gcc/i386-redhat-linux/3.4.2/specs
   Relocating allocator for buffers:  no
   GNU version of malloc:             yes
     - Using Doug Lea's new malloc from the GNU C Library.
   libc:                              glibc-2.3.3-68
 Window System:
   Compiling in support for the X window system:
     - X Windows headers location:                 /usr/X11R6/include
     - X Windows libraries location:               /usr/X11R6/lib
     - Handling WM_COMMAND properly.
   Compiling in support for the Athena widget set:
     - Athena headers location:                    X11/Xaw3d
     - Athena library to link:                     Xaw3d
   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.
 Sound:
   Compiling in support for sound (native).
 Databases:
 Internationalization:
   Compiling in support for Mule (multi-lingual Emacs).
   Compiling in support for XIM (X11R5+ I18N input method).
     - Using raw Xlib to provide XIM support.
   Compiling in support for Canna on Mule.
   Compiling in support for the WNN input method on Mule.
 Mail:
   Compiling in support for POP mail retrieval.
   Compiling in support for "lockf" 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.
   Compiling in support for extra debugging code.
 Load-Path Lisp Shadows:
 ----------------------
 (/usr/share/xemacs/xemacs-packages/lisp/ecrypto/sha1-el
 /usr/share/xemacs/xemacs-packages/lisp/flim/sha1-el
 /usr/share/xemacs/xemacs-packages/lisp/ecrypto/sha1
 /usr/share/xemacs/xemacs-packages/lisp/flim/sha1
 /usr/share/xemacs/xemacs-packages/lisp/ecrypto/md5
 /usr/share/xemacs/xemacs-packages/lisp/flim/md5
 /usr/share/xemacs/xemacs-packages/lisp/ecrypto/md4
 /usr/share/xemacs/xemacs-packages/lisp/flim/md4
 /usr/share/xemacs/xemacs-packages/lisp/ecrypto/hex-util
 /usr/share/xemacs/xemacs-packages/lisp/flim/hex-util
 /usr/share/xemacs/xemacs-packages/lisp/flim/sasl-scram
 /usr/share/xemacs/xemacs-packages/lisp/sasl/sasl-scram
 /usr/share/xemacs/xemacs-packages/lisp/flim/ntlm
 /usr/share/xemacs/xemacs-packages/lisp/sasl/ntlm
 /usr/share/xemacs/xemacs-packages/lisp/flim/sasl-cram
 /usr/share/xemacs/xemacs-packages/lisp/sasl/sasl-cram
 /usr/share/xemacs/xemacs-packages/lisp/flim/hmac-md5
 /usr/share/xemacs/xemacs-packages/lisp/sasl/hmac-md5
 /usr/share/xemacs/xemacs-packages/lisp/flim/sasl
 /usr/share/xemacs/xemacs-packages/lisp/sasl/sasl
 /usr/share/xemacs/xemacs-packages/lisp/flim/hmac-sha1
 /usr/share/xemacs/xemacs-packages/lisp/sasl/hmac-sha1
 /usr/share/xemacs/xemacs-packages/lisp/flim/sasl-digest
 /usr/share/xemacs/xemacs-packages/lisp/sasl/sasl-digest
 /usr/share/xemacs/xemacs-packages/lisp/flim/sasl-ntlm
 /usr/share/xemacs/xemacs-packages/lisp/sasl/sasl-ntlm
 /usr/share/xemacs/xemacs-packages/lisp/flim/hmac-def
 /usr/share/xemacs/xemacs-packages/lisp/sasl/hmac-def
 /usr/share/xemacs/xemacs-packages/lisp/flim/mel
 /usr/share/xemacs/xemacs-packages/lisp/tm/mel
 /usr/share/xemacs/xemacs-packages/lisp/flim/mel-q
 /usr/share/xemacs/xemacs-packages/lisp/tm/mel-q
 /usr/share/xemacs/xemacs-packages/lisp/flim/mel-u
 /usr/share/xemacs/xemacs-packages/lisp/tm/mel-u
 /usr/share/xemacs/xemacs-packages/lisp/flim/mel-g
 /usr/share/xemacs/xemacs-packages/lisp/tm/mel-g
 /usr/share/xemacs/xemacs-packages/lisp/apel/timezone
 /usr/share/xemacs/xemacs-packages/lisp/xemacs-base/timezone
 /usr/share/xemacs/xemacs-packages/lisp/apel/alist
 /usr/share/xemacs-21.4.15/lisp/alist
 /usr/share/xemacs/xemacs-packages/lisp/build/build-report
 /usr/share/xemacs-21.4.15/lisp/build-report)
 Installed XEmacs Packages:
 -------------------------
 (zenirc ver: 1.15 upstream: 2.112)
 (xwem ver: 1.14 upstream: 0.2)
 (xslt-process ver: 1.11 upstream: regular)
 (xslide ver: 1.09 upstream: 0.2.2)
 (xlib ver: 1.12 upstream: 0.2)
 (xemacs-devel ver: 1.64 upstream: No-Upstream-Ver)
 (xemacs-base ver: 1.87 upstream: No-Upstream-Ver)
 (x-symbol ver: 1.1 upstream: 4.5.1)
 (w3 ver: 1.3 upstream: 4.0pre47)
 (vm ver: 7.18 upstream: 7.17)
 (viper ver: 1.37 upstream: 3.09)
 (view-process ver: 1.13 upstream: 2.4)
 (vhdl ver: 1.19 upstream: 3.32.20)
 (vc-cc ver: 1.22 upstream: No-Upstream-Ver)
 (vc ver: 1.38 upstream: No-Upstream-Ver)
 (tramp ver: 1.17 upstream: 2.0.35)
 (tpu ver: 1.14 upstream: 4.2X)
 (tooltalk ver: 1.15 upstream: No-Upstream-Ver)
 (tm ver: 1.37 upstream: No-Upstream-Ver)
 (time ver: 1.14 upstream: 1.17)
 (textools ver: 1.15 upstream: No-Upstream-Ver)
 (text-modes ver: 1.78 upstream: No-Upstream-Ver)
 (texinfo ver: 1.25 upstream: No-Upstream-Ver)
 (supercite ver: 1.2 upstream: 3.55x3)
 (strokes ver: 1.1 upstream: No-Upstream-Ver)
 (speedbar ver: 1.27 upstream: 0.14beta4)
 (sounds-wav ver: 1.12 upstream: No-Upstream-Ver)
 (sounds-au ver: 1.12 upstream: No-Upstream-Ver)
 (sml-mode ver: 0.11 upstream: 3.9.5)
 (slider ver: 1.15 upstream: 0.3x1)
 (sieve ver: 1.16 upstream: No-Upstream-Ver)
 (sh-script ver: 1.18 upstream: 2.0e)
 (sgml ver: 1.11 upstream: No-Upstream-Ver)
 (semantic ver: 1.18 upstream: 1.4.2)
 (scheme ver: 1.14 upstream: No-Upstream-Ver)
 (sasl ver: 1.14 upstream: 1.14.4)
 (ruby-modes ver: 1.02 upstream: 1.6.8)
 (rmail ver: 1.14 upstream: No-Upstream-Ver)
 (riece ver: 1.15 upstream: 0.2.2)
 (reftex ver: 1.34 upstream: 4.21)
 (python-modes ver: 1.06 upstream: No-Upstream-Ver)
 (psgml-dtds ver: 1.03 upstream: No-Upstream-Ver)
 (psgml ver: 1.43 upstream: 1.3.1)
 (ps-print ver: 1.11 upstream: 6.5.6)
 (prog-modes ver: 2.01 upstream: No-Upstream-Ver)
 (pgg ver: 1.04 upstream: 0.1)
 (perl-modes ver: 1.06 upstream: No-Upstream-Ver)
 (pcomplete ver: 1.03 upstream: 1.1.6)
 (pcl-cvs ver: 1.65 upstream: R-2_9_9)
 (pc ver: 1.26 upstream: No-Upstream-Ver)
 (os-utils ver: 1.35 upstream: No-Upstream-Ver)
 (oo-browser ver: 1.04 upstream: 4.08)
 (ocaml ver: 0.05 upstream: 3.06)
 (net-utils ver: 1.44 upstream: N/A)
 (mmm-mode ver: 1.02 upstream: 0.4.7)
 (misc-games ver: 1.18 upstream: No-Upstream-Ver)
 (mine ver: 1.16 upstream: 1.9)
 (mh-e ver: 1.28 upstream: 7.4.2)
 (mailcrypt ver: 2.14 upstream: 3.5.8)
 (mail-lib ver: 1.67 upstream: No-Upstream-Ver)
 (liece ver: 1.13 upstream: 1.4.9)
 (jde ver: 1.46 upstream: regular)
 (ispell ver: 1.29 upstream: 3.6)
 (ilisp ver: 1.33 upstream: 5.12.0)
 (igrep ver: 1.13 upstream: 2.111)
 (idlwave ver: 1.31 upstream: 5.1)
 (ibuffer ver: 1.09 upstream: No-Upstream-Ver)
 (hyperbole ver: 1.16 upstream: 4.18)
 (hm--html-menus ver: 1.23 upstream: 5.9)
 (haskell-mode ver: 1.07 upstream: 1.45)
 (gnus ver: 1.8 upstream: 5.10.6)
 (gnats ver: 1.16 upstream: 3.101)
 (games ver: 1.15 upstream: 1.04)
 (fsf-compat ver: 1.14 upstream: No-Upstream-Ver)
 (frame-icon ver: 1.11 upstream: No-Upstream-Ver)
 (fortran-modes ver: 1.04 upstream: No-Upstream-Ver)
 (forms ver: 1.15 upstream: 2.37)
 (footnote ver: 1.16 upstream: 0.18x)
 (eudc ver: 1.39 upstream: 1.32)
 (eterm ver: 1.15 upstream: No-Upstream-Ver)
 (ess ver: 1.1 upstream: 5.2.2)
 (eshell ver: 1.07 upstream: 2.4.1)
 (escreen ver: 1.01 upstream: 1.16)
 (erc ver: 0.12 upstream: Version 4.0 Revision: 1.675)
 (emerge ver: 1.11 upstream: No-Upstream-Ver)
 (elib ver: 1.11 upstream: 1.0)
 (eieio ver: 1.05 upstream: 0.17)
 (efs ver: 1.32 upstream: 1.22)
 (edt ver: 1.13 upstream: No-Upstream-Ver)
 (edit-utils ver: 2.14 upstream: No-Upstream-Ver)
 (ediff ver: 1.5 upstream: 2.75)
 (edebug ver: 1.21 upstream: No-Upstream-Ver)
 (ecrypto ver: 0.17 upstream: 2.0)
 (ecb ver: 1.18 upstream: 2.24)
 (docbookide ver: 0.07000000000000001 upstream: 0.1)
 (dired ver: 1.15 upstream: 7.11)
 (dictionary ver: 1.12 upstream: regular)
 (debug ver: 1.17 upstream: No-Upstream-Ver)
 (crisp ver: 1.14 upstream: 1.34)
 (cookie ver: 1.15 upstream: No-Upstream-Ver)
 (clearcase ver: 1.08 upstream: No-Upstream-Ver)
 (cc-mode ver: 1.43 upstream: 5.30.9)
 (calendar ver: 1.23 upstream: No-Upstream-Ver)
 (calc ver: 1.25 upstream: 2.02fX3)
 (c-support ver: 1.2 upstream: No-Upstream-Ver)
 (build ver: 1.14 upstream: 2.02)
 (bbdb ver: 1.24 upstream: 2.34)
 (auctex ver: 1.38 upstream: 11.14)
 (ada ver: 1.14 upstream: 2.27)
 (mule-ucs ver: 1.06 upstream: 0.84)
 (mule-base ver: 1.46 upstream: No-Upstream-Ver)
 (lookup ver: 1.14 upstream: 1.0)
 (locale ver: 1.21 upstream: No-Upstream-Ver)
 (leim ver: 1.22 upstream: No-Upstream-Ver)
 (latin-unity ver: 1.1 upstream: 1.10)
 (egg-its ver: 1.27 upstream: No-Upstream-Ver)
 (edict ver: 1.16 upstream: 0.9.9)
 Installed Modules:
 -----------------
 Features:
 --------
 (mail-abbrevs xemacsbug shadow sendmail rfc822 mwheel tex-site
 un-define mule-uni zenirc-autoloads xwem-autoloads
 xslt-process-autoloads xslide-autoloads xlib-autoloads
 xemacs-devel-autoloads xemacs-base-autoloads x-symbol-autoloads
 w3-autoloads vm-autoloads viper-autoloads view-process-autoloads
 vhdl-autoloads vc-cc-autoloads vc-autoloads tramp-autoloads
 tpu-autoloads tooltalk-autoloads tm-autoloads time-autoloads
 textools-autoloads text-modes-autoloads texinfo-autoloads
 supercite-autoloads strokes-autoloads speedbar-autoloads
 sounds-wav-autoloads sounds-au-autoloads sml-mode-autoloads
 slider-autoloads sieve-autoloads sh-script-autoloads sgml-autoloads
 semantic-autoloads scheme-autoloads sasl-autoloads
 ruby-modes-autoloads rmail-autoloads riece-autoloads reftex-autoloads
 python-modes-autoloads psgml-dtds-autoloads psgml-autoloads
 ps-print-autoloads prog-modes-autoloads pgg-autoloads
 perl-modes-autoloads pcomplete-autoloads pcl-cvs-autoloads
 pc-autoloads os-utils-autoloads oo-browser-autoloads ocaml-autoloads
 net-utils-autoloads mmm-mode-autoloads misc-games-autoloads
 mine-autoloads mh-e-autoloads mailcrypt-autoloads mail-lib-autoloads
 liece-autoloads jde-autoloads ispell-autoloads ilisp-autoloads
 igrep-autoloads idlwave-autoloads ibuffer-autoloads
 hyperbole-autoloads hm--html-menus-autoloads haskell-mode-autoloads
 gnus-autoloads gnats-autoloads games-autoloads fsf-compat-autoloads
 frame-icon-autoloads fortran-modes-autoloads forms-autoloads
 footnote-autoloads flim-autoloads eudc-autoloads eterm-autoloads
 ess-autoloads eshell-autoloads escreen-autoloads erc-autoloads
 emerge-autoloads elib-autoloads eieio-autoloads efs-autoloads
 edt-autoloads edit-utils-autoloads ediff-autoloads edebug-autoloads
 ecrypto-autoloads ecb-autoloads docbookide-autoloads dired-autoloads
 dictionary-autoloads debug-autoloads crisp-autoloads cookie-autoloads
 clearcase-autoloads cc-mode-autoloads calendar-autoloads
 calc-autoloads c-support-autoloads build-autoloads bbdb-autoloads
 auctex-autoloads apel-autoloads ada-autoloads mule-ucs-autoloads
 mule-base-autoloads lookup-autoloads locale-autoloads leim-autoloads
 latin-unity-autoloads egg-its-autoloads edict-autoloads lisp-autoloads
 loadhist auto-show fontl-hooks x-iso8859-1 canna-leim slovenian czech
 romanian ccl mule-help code-cmds gutter-items menubar-items x-menubar
 mode-motion mouse itimer auto-save lisp-mode easymenu iso8859-1 page
 buff-menu lib-complete cus-file derived frame text-props obsolete
 cus-start custom widget cl-extra mini-cl cl cl-19 packages backquote
 very-early-lisp CANNA file-coding wnn mule lucid-scrollbars cut-buffer
 lucid-menubars athena-dialogs x c-balloon-help tty-frames tty toolbar
 native-sound scrollbar unix-processes multicast network-streams
 subprocesses modules menu-accelerator-support menubar md5 xemacs xim
 gutter tiff png gif jpeg xpm xbm lisp-float-type linux dialog devices
 window-system base64)
 Recent keystrokes:
 -----------------
 M-x r e p o r t SPC e m a c s SPC b u g RET
 Recent messages (most recent first):
 -----------------------------------
 Loading xemacsbug...done
 Loading xemacsbug...
 Loading mwheel...done
 Loading mwheel...
 Loading leim-list...done
 Loading leim-list...
 
-- 
Adrian Aichner
 mailto:adrian@xemacs.org
 
http://www.xemacs.org/