From: "Daniel Hackney" <dan@haxney.org>
To: bug-gnu-emacs@gnu.org
Subject: Segfault in Emacs 23 with multi-tty
Date: Fri, 7 Dec 2007 19:55:46 -0500 [thread overview]
Message-ID: <ad21a5280712071655u6bdb59edg84a057e0741c0b58@mail.gmail.com> (raw)
While testing the new multi-tty feature, I came across a segfault. I started up
an instance of emacs-snapshot in a terminal with the following command:
$ emacs-snapshot -q -nw --eval "(setq server-name \"editor\")" -f server-start
I then opened a second terminal and ran:
$ emacsclient -s editor -e '(ignore)'
The -e '(ignore)' is a no-op to give me a fresh frame. The second command opens
up a GTK frame connected to the first frame and both work just fine. The problem
comes when I try to kill the GTK frame. First, if I use
"save-buffers-kill-terminal", it kills the server in the terminal, which is not
what I want. "delete-frame" seemed to be the best choice. Unfortunately, when I
run "delete-frame" from the GTK frame, not only does the GTK frame close, but
the terminal frame (which is also the server) dies with a segfault:
Fatal error (11)Segmentation fault (core dumped)
Here is the result of running it in GDB. Not terribly useful, but it might shed
some light on the situation.
#0 0x080d3bca in ?? ()
#1 0x08a13d80 in ?? ()
#2 0x088c4e60 in ?? ()
#3 0xbff3d998 in ?? ()
#4 0x08370868 in ?? ()
#5 0x088c4e60 in ?? ()
#6 0x088c4e64 in ?? ()
#7 0xbff3d9e8 in ?? ()
#8 0x08063062 in ?? ()
#9 0x084bfb28 in ?? ()
#10 0x0834de5d in ?? ()
#11 0x083508c9 in ?? ()
#12 0x083508f9 in ?? ()
#13 0x08062870 in ?? ()
#14 0xb7653170 in ?? () from /lib/tls/i686/cmov/libc.so.6
#15 0x08da9b00 in ?? ()
#16 0x08da9ae8 in ?? ()
#17 0x08903adc in ?? ()
#18 0x08a42c4c in ?? ()
#19 0xb787c8ac in __pthread_mutex_unlock_usercnt ()
from /lib/tls/i686/cmov/libpthread.so.0
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
If I instead run the client in a tty (by adding the "-t" option), exiting via
both kill-terminal and delete-frame work as expected, killing the current
terminal without killing the server.
The packages I am using were acquired from here:
http://ppa.launchpad.net/avassalotti/ubuntu
Obviously, the trace will not be of much use without the debugging symbols, but
the installation I used did not include them.
Here is additional information about my version of emacs.
In GNU Emacs 23.0.60.1 (i486-pc-linux-gnu, GTK+ Version 2.12.0)
of 2007-10-31 on samarium
(emacs-snapshot package, version 1:20071030-1~gutsy)
Windowing system distributor `The X.Org Foundation', version 11.0.10300000
configured using `configure '--build' 'i486-linux-gnu' '--host'
'i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib'
'--libexecdir=/usr/lib' '--localstatedir=/var'
'--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes'
'--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/23.0.60/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.0.60/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.0.60/leim'
'--with-x=yes' '--with-x-toolkit=gtk' '--enable-font-backend'
'--with-xft' '--with-freetype' 'build_alias=i486-linux-gnu'
'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN
-DSITELOAD_PURESIZE_EXTRA=5000 -g -O2''
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: nil
value of $LC_MESSAGES: nil
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: en_US.UTF-8
value of $XMODIFIERS: nil
locale-coding-system: utf-8-unix
default-enable-multibyte-characters: t
--
Daniel M. Hackney
next reply other threads:[~2007-12-08 0:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-08 0:55 Daniel Hackney [this message]
2007-12-09 18:16 ` Segfault in Emacs 23 with multi-tty Dan Nicolaescu
2007-12-12 19:23 ` Daniel Hackney
2007-12-12 20:45 ` Daniel Hackney
2007-12-09 23:19 ` Richard Stallman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ad21a5280712071655u6bdb59edg84a057e0741c0b58@mail.gmail.com \
--to=dan@haxney.org \
--cc=bug-gnu-emacs@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).