compiz assert failure: *** glibc detected *** compiz: free(): invalid pointer: 0x00cb1ff4 ***

[Gary M]

Environment is live-usb with persistence and most current updates.
Everything else at the time seemed like an ordinary unity session.

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ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity 4.18.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
ApportVersion: 1.23-0ubuntu1
Architecture: i386
AssertionMessage: *** glibc detected *** compiz: free(): invalid pointer: 0x00cb1ff4 ***
CasperVersion: 1.284
CrashCounter: 1
Date: Tue Sep 27 17:48:13 2011
ExecutablePath: /usr/bin/compiz
LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110919)
ProcCmdline: compiz
Signal: 6
SourcePackage: unity
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/i386-linux-gnu/libc.so.6
 abort () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libc.so.6
Title: compiz assert failure: *** glibc detected *** compiz: free(): invalid pointer: 0x00cb1ff4 ***
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[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.