mutter crashed with SIGSEGV in meta_compositor_process_event()

[kone4040]

Binary package hint: mutter

crash happens when I try gnome-shell --replace with 2 x-servers running.

ProblemType: Crash
Architecture: i386
Date: Fri Oct 30 19:53:45 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/mutter
NonfreeKernelModules: nvidia
Package: mutter 2.28.0-0ubuntu1
ProcCmdline: mutter --mutter-plugins=libgnome-shell --replace
ProcEnviron:
 PATH=(custom, no user)
 LANG=de_AT.UTF-8
 SHELL=/bin/bash
 LANGUAGE=de_AT.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SegvAnalysis:
 Segfault happened at: 0x8066524 <meta_compositor_process_event+292>: mov 0x28(%eax),%eax
 PC (0x08066524) ok
 source "0x28(%eax)" (0x00000028) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: mutter
StacktraceTop:
 meta_compositor_process_event ()
 ?? ()
 ?? ()
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
Title: mutter crashed with SIGSEGV in meta_compositor_process_event()
Uname: Linux 2.6.31-14-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare vboxusers

[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 #425437, 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.