firefox crashed with signal 5 in _XError()

[Walter_Wittel]

Binary package hint: firefox-3.5

Other similar bugs were amd64. This happened when submitting an apport crash report (several have failed over the last few days after the upload). I have not seen this crash under other scenarios.

ProblemType: Crash
Architecture: i386
CheckboxSubmission: 10129b34737ccce5dde695974272e29d
CheckboxSystem: efe96daad1e2b8af01b857b891a9a8c8
CrashCounter: 1
Date: Thu Aug 27 20:56:35 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/firefox-3.5.2/firefox
Package: firefox-3.5 3.5.2+nobinonly-0ubuntu2
ProcCmdline: /usr/lib/firefox-3.5.2/firefox https://bugs.launchpad.net/ubuntu/+source/sysklogd/+filebug/AmSlC89DzCuS4cOZkklwkjRjuav?field.title=package+sysklogd+%28not+installed%29+failed+to+install%2Fupgrade%3A+subprocess+installed+post-removal+script+returned+error+exit+status+1
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-7.27-generic
Signal: 5
SourcePackage: firefox-3.5
StacktraceTop:
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 _XError () from /usr/lib/libX11.so.6
 _XReply () from /usr/lib/libX11.so.6
 XGetWindowProperty () from /usr/lib/libX11.so.6
 ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so
Title: firefox crashed with signal 5 in _XError()
Uname: Linux 2.6.31-7-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare