compiz assert failure: *** glibc detected *** compiz: double free or corruption (!prev): 0x099ae5d0 ***

[Pixel]

screen saver run immediatly

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: libnux-1.0-0 1.14.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu2
Architecture: i386
AssertionMessage: *** glibc detected *** compiz: double free or corruption (!prev): 0x099ae5d0 ***
CrashCounter: 1
Date: Sat Oct 1 18:40:29 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110927)
ProcCmdline: compiz
Signal: 6
SourcePackage: nux
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: double free or corruption (!prev): 0x099ae5d0 ***
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout disk lpadmin plugdev sambashare