firefox crashed with SIGSEGV in _XReply()

[Przemek]

Binary package hint: firefox-3.0

Firefox crashed after system suspension.
Dell XPS M1330
nvidia-drivers 180.27

ProblemType: Crash
Architecture: i386
CrashCounter: 1
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/lib/firefox-3.0.5/firefox
NonfreeKernelModules: nvidia
Package: firefox-3.0 3.0.5+nobinonly-0ubuntu1
ProcCmdline: /usr/lib/firefox-3.0.5/firefox
ProcEnviron:
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: firefox-3.0
StacktraceTop:
 _XReply () from /usr/lib/libX11.so.6
 XSync () from /usr/lib/libX11.so.6
 XRenderFindDisplay () from /usr/lib/libXrender.so.1
 XRenderFreePicture () from /usr/lib/libXrender.so.1
 ?? () from /usr/lib/libQtGui.so.4
Title: firefox crashed with SIGSEGV in _XReply()
Uname: Linux 2.6.28-6-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:_XReply (dpy=0x9917400, rep=0xbff826e0, extra=0, discard=1)
XSync (dpy=0x9917400, discard=0) at ../../src/Sync.c:48
XRenderFindDisplay (dpy=0x9917400)
XRenderFreePicture (dpy=0x9917400, picture=58723008)
?? () from /usr/lib/libQtGui.so.4

[Alexander Sack (asac)]

dupe of 335349