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emacs crashs when remote x-windows closes after make-frame-on-display ev

From: Matan Ninio
Subject: emacs crashs when remote x-windows closes after make-frame-on-display even when other frame was closed due to assertion in xcd_xlib.c (!c->xlib.lock)
Date: Mon, 15 Oct 2007 09:10:05 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux)

Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.

Your bug report will be posted to the address@hidden mailing list,
and to the gnu.emacs.bug news group.

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

open emacs in X, make frame on display to some other display (either
directly or via ssh -X -Y) with "make-frame-on-display".  Close the
other frame.  all still OK.  close the other display (logout, kill X or
kill ssh link), and emacs will crash with:
  emacs: xcb_xlib.c:41: xcb_xlib_lock: Assertion `!c->xlib.lock' failed.

Similar problems happened with other applications when the system moved
from xlib to xcb-xlib.  This is probably due to strict checking of
actions that had been left unchecked in past versions of the library,
and therefor should be considered an Emacs bug rather then a library

If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/share/emacs/22.1/etc/DEBUG for instructions.

In GNU Emacs 22.1.1 (i486-pc-linux-gnu, GTK+ Version 2.10.13)
 of 2007-08-22 on raven, modified by Debian
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/lib' '--infodir=/usr/share/info' 
'--mandir=/usr/share/man' '--with-pop=yes' 
 '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 
'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -g 

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
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t

Major mode: Shell

Minor modes in effect:
  shell-dirtrack-mode: t
  display-time-mode: t
  icomplete-mode: t
  show-paren-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t

Recent input:
M-x r e p o r t SPC b <backspace> e m <tab> <retur

Recent messages:
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Matan Ninio             
VI VI VI - The Roman Number of The Beast

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