awn-applet crashed with SIGSEGV in free()

[Stefan]

Binary package hint: avant-window-navigator

Right clicking on the firefox icon cause the awn to crash. Right clicking on any other icons does not cause this crash. I am currently running firefox 4.0.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: avant-window-navigator 0.4.1~bzr822-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: fglrx
Architecture: amd64
Date: Tue Apr 5 21:29:42 2011
ExecutablePath: /usr/bin/awn-applet
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcCmdline: awn-applet -p /usr/share/avant-window-navigator/applets/taskmanager.desktop -u 3 -w 33554494 -i 1
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f408eb0d8c3 <free+83>: lock cmpxchg %esi,(%rbx)
 PC (0x7f408eb0d8c3) ok
 source "%esi" ok
 destination "(%rbx)" (0x8b48ffe714eae8f6) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: avant-window-navigator
StacktraceTop:
 free () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /usr/lib/awn/applets/taskmanager/taskmanager.so
 ?? () from /usr/lib/awn/applets/taskmanager/taskmanager.so
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_markup_parse_context_parse () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: awn-applet crashed with SIGSEGV in free()
UpgradeStatus: Upgraded to natty on 2011-04-02 (3 days ago)
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 #738453, 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.