Cleaning up troubleshooting and other sections in FAQ; need input
19 years, 4 months
Ben Wing
Ben Wing
After answering various faq-like questions on xemacs-beta I decided to redo
the troubleshooting section of the FAQ so it really has everything people
should know. In the process I've found some very very old stuff. Some I
just terminated with extreme prejudice [e.g. some business about OpenWindows
3.0], but others I would like to get some input before deleting them
entirely.
*********************************************************
The following used to make extensive reference to 19.14 and 19.15. I fixed
it up to remove those, but I don't know whether the resulting question has
any relevance.
==========================================================
＠node Q2.1.23, Q2.1.24, Q2.1.22, Installation
＠unnumberedsubsec Q2.1.21: Movemail on Linux does not work
Movemail on Linux defaults to using ＠code{.lock} file locking. If this is
not appropriate for your system, edit src/s/linux.h and uncomment the line
that reads:
＠example
#define MAIL_USE_FLOCK
＠end example
＠end quotation ==========================================================
Are any of the following still relevant?
==========================================================
＠node Q2.0.8, Q2.0.9, Q2.0.7, Installation
＠unnumberedsubsec Q2.0.8: can't resolve symbol _h_errno
You are using the Linux/ELF distribution of XEmacs 19.14, and your ELF
libraries are out of date. You have the following options:
＠enumerate
＠item
Upgrade your libc to at least 5.2.16 (better is 5.2.18, 5.3.12, or 5.4.10).
＠item
Patch the XEmacs binary by replacing all occurrences of ＠samp{_h_errno^＠＠}
with ＠iftex
＠*
＠end iftex
＠samp{h_errno^＠＠^＠＠}. Any version of Emacs will
suffice. If you don't understand how to do this, don't do it.
＠item
Rebuild XEmacs yourself---any working ELF version of libc should be O.K.
＠end enumerate
＠email{hniksic＠(a)xemacs.org, Hrvoje Niksic} writes:
＠quotation
Why not use a Perl one-liner for No. 2?
＠example
perl -pi -e 's/_h_errno\0/h_errno\0\0/g' \ /usr/local/bin/xemacs-19.14 ＠end
example
NB: You ＠emph{must} patch ＠file{/usr/local/bin/xemacs-19.14}, and not
＠file{xemacs} because ＠file{xemacs} is a link to ＠file{xemacs-19.14}; the
Perl ＠samp{-i} option will cause unwanted side-effects if applied to a
symbolic link. ＠end quotation
＠email{steve＠(a)xemacs.org, SL Baur} writes:
＠quotation
If you build against a recent libc-5.4 (late enough to have caused problems
earlier in the beta cycle) and then run with an earlier version of libc, you
get a
＠example
$ xemacs
xemacs: can't resolve symbol '__malloc_hook'
zsh: 7942 segmentation fault (core dumped) xemacs
＠end example
(Example binary compiled against libc-5.4.23 and run with libc-5.4.16).
The solution is to upgrade to at least libc-5.4.23. Sigh. Drat. ＠end
quotation ==========================================================
==========================================================
＠node Q2.0.10, Q2.0.11, Q2.0.9, Installation
＠unnumberedsubsec Q2.0.10: After I run configure I find a core dump, is
something wrong?
Not necessarily. If you have GNU sed 3.0 you should downgrade it to 2.05.
>From the ＠file{README} at prep.ai.mit.edu:
＠quotation
sed 3.0 has been withdrawn from distribution. It has major revisions, which
mostly seem to be improvements; but it turns out to have bugs too which
cause trouble in some common cases.
Tom Lord won't be able to work fixing the bugs until May. So in the mean
time, we've decided to withdraw sed 3.0 from distribution and make version
2.05 once again the recommended version. ＠end quotation
It has also been observed that the vfork test on Solaris will leave a core
dump. ==========================================================
==========================================================
＠node Q2.0.11, Q2.0.12, Q2.0.10, Installation
＠unnumberedsubsec Q2.0.11: XEmacs doesn't resolve hostnames.
This is the result of a long-standing problem with SunOS and the fact that
stock SunOS systems do not ship with DNS resolver code in libc.
＠email{ckd＠(a)loiosh.kei.com, Christopher Davis} writes:
＠quotation
That's correct [The SunOS 4.1.3 precompiled binaries don't do name lookup].
Since Sun figured that everyone used NIS to do name lookups (that DNS thing
was apparently only a passing fad, right?), the stock SunOS 4.x systems
don't have DNS-based name lookups in libc.
This is also why Netscape ships two binaries for SunOS 4.1.x.
The best solution is to compile it yourself; the configure script will check
to see if you've put DNS in the shared libc and will then proceed to link
against the DNS resolver library code. ＠end quotation
==========================================================
==========================================================
＠node Q2.1.4, Q2.1.5, Q2.1.3, Installation
＠unnumberedsubsec Q2.1.11: Translation Table Syntax messages at Startup
I get tons of translation table syntax error messages during startup. How do
I get rid of them?
There are two causes of this problem. The first usually only strikes people
using the prebuilt binaries. The culprit in both cases is the file
＠file{XKeysymDB}.
＠itemize ＠bullet
＠item
The binary cannot find the ＠file{XKeysymDB} file. The location is hardcoded
at compile time so if the system the binary was built on puts it a different
place than your system does, you have problems. To fix, set the environment
variable ＠code{XKEYSYMDB} to the location of the ＠file{XKeysymDB} file on
your system or to the location of the one included with XEmacs which should
be at ＠iftex
＠*
＠end iftex ＠file{<xemacs_root_directory>/lib/xemacs-19.16/etc/XKeysymDB}.
＠item
The binary is finding the XKeysymDB but it is out-of-date on your system and
does not contain the necessary lines. Either ask your system administrator
to replace it with the one which comes with XEmacs (which is the stock R6
version and is backwards compatible) or set your ＠code{XKEYSYMDB} variable
to the location of XEmacs's described above. ＠end itemize
==========================================================
==========================================================
＠node Q2.1.6, Q2.1.7, Q2.1.5, Installation
＠unnumberedsubsec Q2.1.6: XEmacs cannot connect to my X Terminal!
Help! I can not get XEmacs to display on my Envizex X-terminal!
Try setting the ＠code{DISPLAY} variable using the numeric IP address of the
host you are running XEmacs from.
==========================================================
==========================================================
＠node Q2.1.7, Q2.1.8, Q2.1.6, Installation
＠unnumberedsubsec Q2.1.7: XEmacs just locked up my Linux X server!
There have been several reports of the X server locking up under Linux. In
all reported cases removing speedo and scaled fonts from the font path
corrected the problem. This can be done with the command ＠code{xset}.
It is possible that using a font server may also solve the problem.
＠node Q2.1.8, Q2.1.9, Q2.1.7, Installation
＠unnumberedsubsec Q2.1.8: HP Alt key as Meta.
How can I make XEmacs recognize the Alt key of my HP workstation as a Meta
key?
Put the following line into a file and load it with xmodmap(1) before
starting XEmacs:
＠example
remove Mod1 = Mode_switch
＠end example ==========================================================
==========================================================
＠node Q2.1.13, Q2.1.14, Q2.1.12, Installation
＠unnumberedsubsec Q2.1.13: HP/UX 10.10 and ＠code{create_process} failure.
＠email{Dave.Carrigan＠(a)ipl.ca, Dave Carrigan} writes:
＠quotation
With XEmacs 19.13 and HP/UX 10.10, anything that relies on the
＠code{create_process} function fails. This breaks a lot of things
(shell-mode, compile, ange-ftp, to name a few). ＠end quotation
＠email{johnson＠(a)dtc.hp.com, Phil Johnson} writes:
＠quotation
This is a problem specific to HP-UX 10.10. It only occurs when XEmacs is
compiled for shared libraries (the default), so you can work around it by
compiling a statically-linked binary (run configure with
＠samp{--dynamic=no}).
I'm not sure whether the problem is with a particular shared library or if
it's a kernel problem which crept into 10.10. ＠end quotation
＠email{cognot＠(a)ensg.u-nancy.fr, Richard Cognot} writes:
＠quotation
I had a few problems with 10.10. Apparently, some of them were solved by
forcing a static link of libc (manually). ＠end quotation
==========================================================
==========================================================
＠node Q3.7.5, Q3.7.6, Q3.7.4, Customization
＠unnumberedsubsec Q3.7.5: Why does cut-and-paste not work between XEmacs and
a cmdtool?
We don't know. It's a bug. There does seem to be a work-around, however.
Try running xclipboard first. It appears to fix the problem even if you
exit it. (This should be mostly fixed in 19.13, but we haven't yet verified
that). ==========================================================
Is the following still relevant? If so, is it relevant outside of HP/UX?
If so, could someone help me rewrite it
to work generally? If not, could someone help me fix it up to the latest
HP/UX?
==========================================================
＠node Q2.1.10, Q2.1.11, Q2.1.9, Installation
＠unnumberedsubsec Q2.1.10: Warnings from incorrect key modifiers.
The following information comes from the ＠file{PROBLEMS} file that comes
with XEmacs.
If you're having troubles with HP/UX it is because HP/UX defines the
modifiers wrong in X. Here is a shell script to fix the problem; be sure
that it is run after VUE configures the X server.
＠example
#! /bin/sh
xmodmap 2> /dev/null - << EOF
keysym Alt_L = Meta_L
keysym Alt_R = Meta_R
EOF
xmodmap - << EOF
clear mod1
keysym Mode_switch = NoSymbol
add mod1 = Meta_L
keysym Meta_R = Mode_switch
add mod2 = Mode_switch
EOF
＠end example ==========================================================
How about the following question regardling TM? TM was once the way to get
MIME support for GNUS, VM, etc. but I gather they all do this by default
now. And maybe there's a newer version of TM? Therefore, the following
should probably get rewritten or deleted [suggestions?]:
==========================================================
＠node Q4.3.1, Q4.3.2, Q4.2.4, Subsystems
＠unnumberedsec 4.3: Other Mail & News
＠unnumberedsubsec Q4.3.1: How can I read and/or compose MIME messages? ＠c
Changed June
VM supports MIME natively.
You probably want to use the Tools for MIME (tm). ＠xref{Q4.3.2}, for
details.
＠email{trey＠(a)cs.berkeley.edu, Trey Jackson} has an Emacs & MIME web page at
＠iftex
＠*
＠end iftex ＠uref{http://bmrc.berkeley.edu/~trey/emacs/mime.html}.
Another possibility is RMIME. You may find RMIME at
＠iftex
＠*
＠end iftex ＠uref{http://www.cinti.net/~rmoody/rmime/index.html}.
==========================================================
==========================================================
＠node Q4.3.2, Q4.3.3, Q4.3.1, Subsystems
＠unnumberedsubsec Q4.3.2: What is TM and where do I get it?
TM stands for ＠dfn{Tools for MIME} and not Tiny MIME. TM integrates with
all major XEmacs packages like Gnus (all flavors), VM, MH-E, and mailcrypt.
It provides totally transparent and trouble-free MIME support. When
appropriate a message will be decoded in place in an XEmacs buffer.
TM now comes as a package with XEmacs 19.16 and XEmacs 20.2.
TM was written by ＠email{morioka＠(a)jaist.ac.jp, MORIOKA Tomohiko} and
＠email{shuhei-k＠(a)jaist.ac.jp, KOBAYASHI Shuhei}.
It is based on the work of ＠email{umerin＠(a)mse.kyutech.ac.jp, UMEDA
Masanobu}, the original writer of GNUS.
The following information is from the ＠file{README}:
＠dfn{tm} is a MIME package for GNU Emacs.
tm has following functions:
＠itemize ＠bullet
＠item MIME style multilingual header.
＠item MIME message viewer (mime/viewer-mode).
＠item MIME message composer (mime/editor-mode).
＠item MIME extenders for mh-e, GNUS, RMAIL and VM.
＠end itemize
tm is available from following anonymous ftp sites:
＠itemize ＠bullet
＠comment ＠item ＠uref{ftp://ftp.jaist.ac.jp/pub/GNU/elisp/mime/} (Japan).
＠comment ＠item ＠uref{ftp://ftp.nis.co.jp/pub/gnu/emacs-lisp/tm/} (Japan).
＠comment ＠c The host above is unknown. ＠comment ＠item
＠uref{ftp://ftp.nisiq.net/pub/gnu/emacs-lisp/tm/} (US). ＠comment ＠item
＠uref{ftp://ftp.miranova.com/pub/gnus/jaist.ac.jp/} (US). ＠item
＠uref{ftp://ftp.unicamp.br/pub/mail/mime/tm/} (Brasil). ＠item
＠uref{ftp://ftp.th-darmstadt.de/pub/editors/GNU-Emacs/lisp/mime/} (Germany).
＠item ＠uref{ftp://ftp.tnt.uni-hannover.de/pub/editors/xemacs/contrib/}
(Germany). ＠end itemize
Don't let the installation procedure & instructions stop you from trying
this package out---it's much simpler than it looks, and once installed,
trivial to use.
＠email{youngs＠(a)xemacs.org, Steve Youngs} writes:
＠quotation
All the major Emacs Lisp based MUAs (Gnus, MH-E, and VM) all do their own
thing when it comes to MIME so you won't need TM to get MIME support in
these packages. ＠end quotation
==========================================================
==========================================================
＠node Q4.3.5, Q4.4.1, Q4.3.4, Subsystems
＠unnumberedsubsec Q4.3.5: Where do I find pstogif (required by tm)?
pstogif is part of the latex2html package.
＠email{vroonhof＠(a)math.ethz.ch, Jan Vroonhof} writes:
latex2html is best found at the CTAN hosts and their mirrors
in
＠iftex
＠*
＠end iftex
＠file{tex-archive/support/latex2html}.
CTAN hosts are:
＠itemize ＠bullet
＠item ＠uref{ftp://ftp.tex.ac.uk/tex-archive/support/latex2html/}.
＠item ＠uref{ftp://ftp.dante.de/tex-archive/support/latex2html/}.
＠end itemize
There is a good mirror at ftp.cdrom.com;
＠iftex
＠*
＠end iftex ＠uref{ftp://ftp.cdrom.com/pub/tex/ctan/support/latex2html/}.
==========================================================
How about the following question about AUC TeX and ftpmail? This is clearly
out-of-date. Could someone give an up-to-date summary? Does
ftpmail(a)decwrl.dec.com exist at all any more?
==========================================================
＠node Q4.7.1, Q4.7.2, Q4.6.1, Subsystems
＠unnumberedsec 4.7: Other Unbundled Packages
＠unnumberedsubsec Q4.7.1: What is AUC TeX? Where do you get it?
AUC TeX is a package written by ＠email{abraham＠(a)dina.kvl.dk, Per
Abrahamsen}. Starting with XEmacs 19.16, AUC TeX is bundled with XEmacs.
The following information is from the ＠file{README} and website.
AUC TeX is an extensible package that supports writing and formatting TeX
files for most variants of GNU Emacs. Many different macro packages are
supported, including AMS TeX, LaTeX, and TeXinfo.
The most recent version is always available by ftp at
＠iftex
＠*
＠end iftex ＠uref{ftp://sunsite.dk/packages/auctex/auctex.tar.gz}.
In case you don't have access to anonymous ftp, you can get it by an email
request to ＠email{ftpmail＠(a)decwrl.dec.com}.
WWW users may want to check out the AUC TeX page at
＠iftex
＠*
＠end iftex
＠uref{http://sunsite.dk/auctex/}.
==========================================================
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[PATCH] XEmacs 21.5-b18 (+CVS 20041130) compilation using MSVC7 Fully Win32 Native
19 years, 4 months
Nelson Ferreira
Nelson Ferreira
It seems that with MSVC7 in MsXml.h there is an abort function.
Since in lisp.h a macro abort() is defined compilation fails.
Also the compiler complains a little more on some conversions.
The attached patch (mainly just some include moving and additional
casting) works for me.
--Nelson
--
Nelson Ferreira
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RE: [Bug: 21.5-b18] Crash wrt. Gnus
19 years, 4 months
Ben Wing
Ben Wing
> I just ran into a crash with Gnus, trying to enter a group.
> Of course, this bug is probably a little bit hard to
> reproduce, as I can't provide you with the nntp data :-)
> Anyway, I don't get a lisp backtrace, the only thing I can
> get is a gdb backtrace when I start XEmacs from within gdb.
> I'm not sure, it is really helpful, but here it is:
Put a breakpoint on assert_failed and call debug_backtrace().
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