unity-2d-panel assert failure: *** glibc detected *** unity-2d-panel: corrupted double-linked list: 0x08489c00 ***

[MorMMaM]

I dont know any more becuase i used firefox to see youtube and update status all of this day and then i close Firefox becuase its eat my cpu usage and i found this error report after thats.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-2d-panel 4.6.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic i686
NonfreeKernelModules: fglrx
ApportVersion: 1.22.1-0ubuntu2
Architecture: i386
AssertionMessage: *** glibc detected *** unity-2d-panel: corrupted double-linked list: 0x08489c00 ***
Date: Sat Sep 10 15:26:30 2011
ExecutablePath: /usr/bin/unity-2d-panel
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcCmdline: unity-2d-panel
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: unity-2d
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: unity-2d-panel assert failure: *** glibc detected *** unity-2d-panel: corrupted double-linked list: 0x08489c00 ***
UpgradeStatus: Upgraded to oneiric on 2011-09-06 (4 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare www-data
XsessionErrors:
 (gnome-settings-daemon:1797): GLib-CRITICAL **: g_variant_get_boolean: assertion `g_variant_is_of_type (value, G_VARIANT_TYPE_BOOLEAN)' failed
 (gnome-settings-daemon:1797): GLib-CRITICAL **: g_variant_get_boolean: assertion `g_variant_is_of_type (value, G_VARIANT_TYPE_BOOLEAN)' failed

[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 #845932, 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.