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

[Brian K. Mangum]

I was watching a video at cbs.com. I went to change the volume in the Sound Menu and everything locked up.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-services 4.16.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
.tmp.unity.support.test.0:

ApportVersion: 1.23-0ubuntu1
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,mousepoll,resize,grid,vpswitch,move,snap,imgpng,regex,place,session,gnomecompat,wall,unitymtgrabhandles,animation,fade,scale,expo,workarounds,ezoom,unityshell]
CompositorRunning: compiz
CrashCounter: 1
Date: Tue Sep 20 22:45:48 2011
DistUpgraded: Log time: 2011-09-01 17:54:57.024332
DistroCodename: oneiric
DistroVariant: ubuntu
ExecutablePath: /usr/lib/unity/unity-panel-service
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Device [103c:360b]
   Subsystem: Hewlett-Packard Company Device [103c:360b]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110901)
MachineType: Hewlett-Packard Compaq Presario CQ60 Notebook PC
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic root=UUID=639c330a-feb6-4a4f-b0d4-cdbcf774bc11 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x8bafeb <g_pointer_bit_lock+11>: call 0x8b7a47
 PC (0x008bafeb) ok
 source "0x8b7a47" (0x008b7a47) ok
 destination "(%esp)" (0xbf4be000) 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_pointer_bit_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_datalist_id_get_data () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_object_get_qdata () from /usr/lib/i386-linux-gnu/libgobject-2.0.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_pointer_bit_lock()
UpgradeStatus: Upgraded to oneiric on 2011-09-16 (4 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 08/26/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.52
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3612
dmi.board.vendor: Wistron
dmi.board.version: 09.66
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Wistron
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.52:bd08/26/2009:svnHewlett-Packard:pnCompaqPresarioCQ60NotebookPC:pvrPCID:rvnWistron:rn3612:rvr09.66:cvnWistron:ct10:cvrChassisVersion:
dmi.product.name: Compaq Presario CQ60 Notebook PC
dmi.product.version: PCID
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.5.94+bzr2803-0ubuntu5
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 #853096, 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.