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

[Ryan Farmer]

Happens whenever I click the volume applet.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-services 4.12.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic x86_64
.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: Thu Sep 8 23:08:16 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
ExecutablePath: /usr/lib/unity/unity-panel-service
GraphicsCard:
 ATI Technologies Inc Redwood [Radeon HD 5670] [1002:68d8] (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. Device [1043:0356]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110908)
MachineType: MICRO-STAR INTERNATIONAL CO.,LTD MS-7501
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANG=en_US.UTF-8
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-10-generic root=UUID=514f8f58-bd95-4bec-89e8-3d7d54ac73af ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7fad1b577b2a: callq 0x7fad1b5a16a0 <g_value_peek_pointer>
 PC (0x7fad1b577b2a) ok
 source "0x7fad1b5a16a0" (0x7fad1b5a16a0) ok
 destination "(%rsp)" (0x7fffdf8ba000) 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:
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 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
Title: unity-panel-service crashed with SIGSEGV in g_closure_invoke()
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: 07/09/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.8B2
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: K9A2VM (MS-7501)
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: emaxs
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.8B2:bd07/09/2009:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7501:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rnK9A2VM(MS-7501):rvr1.0:cvnemaxs:ct3:cvr1.0:
dmi.product.name: MS-7501
dmi.product.version: 1.0
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
version.compiz: compiz 1:0.9.5.92+bzr2791-0ubuntu2
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.26+git20110808.2acaf160-0ubuntu0sarvatt
version.libgl1-mesa-dri: libgl1-mesa-dri 7.12.0~git20110908.b453ba2c-0ubuntu0sarvatt
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.12.0~git20110908.b453ba2c-0ubuntu0sarvatt
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu6
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+git20110819.64f237a4-0ubuntu0sarvatt
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.16.0+git20110908.afdb8aa8-0ubuntu0sarvatt
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110823.169512fb-0ubuntu0sarvatt

[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 #837569, 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.