compiz assert failure: *** glibc detected *** compiz: free(): invalid pointer: 0x0047eff4 ***

[Removed by request]

Crash after closing vlc player. Has the same cause as https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/859965

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity 4.18.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu1
Architecture: i386
AssertionMessage: *** glibc detected *** compiz: free(): invalid pointer: 0x0047eff4 ***
CrashCounter: 1
Date: Mon Sep 26 13:07:08 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
ProcCmdline: compiz
Signal: 6
SourcePackage: unity
StacktraceTop:
 __libc_message (do_abort=2, fmt=0x444080 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
 malloc_printerr (action=<optimized out>, str=<optimized out>, ptr=0x47eff4) at malloc.c:6283
 _int_free (av=0x480400, p=0x47efec) at malloc.c:4795
 __GI___libc_free (mem=0x47eff4) at malloc.c:3738
 XFree (data=0x47eff4) at ../../src/XlibInt.c:1701
Title: compiz assert failure: *** glibc detected *** compiz: free(): invalid pointer: 0x0047eff4 ***
UpgradeStatus: Upgraded to oneiric on 2011-09-22 (4 days ago)
UserGroups: adm admin cdrom dialout disk kmem lpadmin plugdev sambashare timidity

[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 #750386, 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.