metacity crashed with SIGABRT in _XError()

[Jean-Baptiste Lallement]

Metacity crashed on vlc start and continue crashing while vlc was running.
Killing vlc allowed metacity to be restarted.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: metacity 1:2.34.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-8.10-generic 3.0.1
Uname: Linux 3.0.0-8-generic i686
Architecture: i386
CrashCounter: 1
Date: Sat Aug 13 11:55:19 2011
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/metacity
ProcCmdline: metacity
Signal: 6
SourcePackage: metacity
StacktraceTop:
 ?? ()
 ?? ()
 _XError (dpy=0x93feea8, rep=0x954e698) at ../../src/XlibInt.c:1583
 handle_error (dpy=0x93feea8, err=0x954e698, in_XReply=1) at ../../src/xcb_io.c:212
 handle_response (dpy=0x93feea8, response=0x954e698, in_XReply=1) at ../../src/xcb_io.c:324
Title: metacity crashed with SIGABRT in _XError()
UpgradeStatus: Upgraded to oneiric on 2011-07-12 (32 days ago)
UserGroups: adm admin audio cdrom dialout dip floppy fuse libvirtd lpadmin netdev plugdev scanner sudo video

[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 #827452, 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.