unity-panel-service crashed with SIGSEGV in g_signal_emit_valist()

[Danerd]

unity panel freeze

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-services 4.14.2-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic x86_64
NonfreeKernelModules: fglrx
.tmp.unity.support.test.0:

ApportVersion: 1.22.1-0ubuntu2
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: compiz
Date: Sun Sep 11 01:54:50 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus: fglrx, 8.881, 3.0.0-10-generic, x86_64: installed
ExecutablePath: /usr/lib/unity/unity-panel-service
GraphicsCard:
 ATI Technologies Inc Madison [AMD Radeon HD 5000M Series] [1002:68c1] (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:033e]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110910)
JockeyStatus:
 kmod:fglrx - ATI Fire GL (Proprietär, Deaktiviert, Nicht benutzt)
 xorg:fglrx - ATI/AMD: proprietärer FGLRX-Grafiktreiber (Proprietär, Aktiviert, In Benutzung)
MachineType: Acer Aspire 5740
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANGUAGE=de_AT:de
 LANG=de_AT.UTF-8
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-10-generic root=UUID=c40d0210-0d4a-4403-9c0c-adba22cf1911 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f35b76e23e0 <g_signal_emit_valist+48>: callq 0x7f35b76ebde0 <g_type_check_instance>
 PC (0x7f35b76e23e0) ok
 source "0x7f35b76ebde0" (0x7f35b76ebde0) ok
 destination "(%rsp)" (0x7fffe4f09f50) not located in a known VMA region (needed writable region)!
 Stack memory exhausted (SP below stack segment)
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/libgtk-3.so.0
 ?? () from /usr/lib/libgtk-3.so.0
 ?? () from /usr/lib/libgtk-3.so.0
Title: unity-panel-service crashed with SIGSEGV in g_signal_emit_valist()
UnitySupportTest: Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code -11:
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 03/18/2010
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.22
dmi.board.name: Aspire 5740
dmi.board.vendor: Acer
dmi.board.version: Rev
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: Rev
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.22:bd03/18/2010:svnAcer:pnAspire5740:pvrRev:rvnAcer:rnAspire5740:rvrRev:cvnAcer:ct10:cvrRev:
dmi.product.name: Aspire 5740
dmi.product.version: Rev
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.5.92+bzr2791-0ubuntu2
version.fglrx-installer: fglrx-installer N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

[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 #832194, 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.