firefox crashed with signal 5 in _XError()

[Paulo]

Binary package hint: firefox-3.5

I tried to report a Notification bug and Firefox crashed when it would open the launchpad site.

Description: Ubuntu karmic (development branch)
Release: 9.10

firefox-3.5:
  Installed: 3.5.3+build1+nobinonly-0ubuntu2
  Candidate: 3.5.3+build1+nobinonly-0ubuntu2
  Version table:
 *** 3.5.3+build1+nobinonly-0ubuntu2 0
        500 http://br.archive.ubuntu.com karmic/main Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
Architecture: amd64
Date: Sat Sep 19 13:08:50 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/firefox-3.5.3/firefox
Package: firefox-3.5 3.5.3+build1+nobinonly-0ubuntu2
ProcCmdline: /usr/lib/firefox-3.5.3/firefox https://bugs.launchpad.net/ubuntu/+source/notify-osd/+filebug/zV5vw4UU6C850yecuWtn1ubTkue?field.title=notify-osd+crashed+with+SIGSEGV+in+g_cclosure_marshal_VOID__VOID%28%29
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 LC_MESSAGES=C
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-10.34-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-1.9.1.3/libxul.so
Title: firefox crashed with signal 5 in _XError()
Uname: Linux 2.6.31-10-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #427799, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.