firefox-3.5 crashed with signal 5 in _XError()

[gadLinux]

Binary package hint: firefox-3.5

Ubuntu crashed while showing one page that takes long to open and you start to close other tabs...

This failed for me but not test case can be provided.

thank you

ProblemType: Crash
Architecture: amd64
CrashCounter: 1
Date: Wed Jul 29 00:48:20 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/firefox-3.5.1/firefox-3.5
NonfreeKernelModules: nvidia
Package: firefox-3.5 3.5.1+build1+nobinonly-0ubuntu1
ProcCmdline: /usr/lib/firefox-3.5.1/firefox-3.5
ProcEnviron:
 PATH=(custom, user)
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.30-9.10-generic
Signal: 5
SourcePackage: firefox-3.5
StacktraceTop:
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 _XError () from /usr/lib/libX11.so.6
 ?? () from /usr/lib/libX11.so.6
 _XReply () from /usr/lib/libX11.so.6
 XTranslateCoordinates () from /usr/lib/libX11.so.6
Title: firefox-3.5 crashed with signal 5 in _XError()
Uname: Linux 2.6.30-9-generic x86_64
UserGroups: adm admin cdrom dialout games libvirtd lpadmin mldonkey plugdev sambashare tomcat6 vboxusers video

[Apport retracing service (apport)]

StacktraceTop:gdk_x_error (display=<value optimized out>,
_XError (dpy=0x7f109acb1000, rep=0x7f107caff520)
process_responses (dpy=0x7f109acb1000,
_XSend (dpy=0x7f109acb1000,
?? ()

[Micah Gersten (micahg)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 411695, so it 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.