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

[Mufaddal Kabul]

slows down system

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-services 4.8.2-0ubuntu4
ProcVersionSignature: Ubuntu 3.0.0-9.13-generic 3.0.3
Uname: Linux 3.0.0-9-generic i686
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: compiz
Date: Tue Aug 23 09:15:17 2011
DistUpgraded: Log time: 2011-08-20 14:19:58.170434
DistroCodename: oneiric
DistroVariant: ubuntu
ExecutablePath: /usr/lib/unity/unity-panel-service
GraphicsCard:
 Intel Corporation 82G33/G31 Express Integrated Graphics Controller [8086:29c2] (rev 10) (prog-if 00 [VGA controller])
   Subsystem: NEC Corporation Device [1033:8384]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
MachineType: NEC COMPUTERS SAS NEC GENERATION D5000
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-3.0.0-9-generic root=UUID=4A4888BB4888A6F3 loop=/hostname/disks/root.disk ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x4b251b <g_hash_table_lookup+11>: call 0x494a57
 PC (0x004b251b) ok
 source "0x494a57" (0x00494a57) ok
 destination "(%esp)" (0xbf624000) 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_hash_table_lookup () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_signal_emit () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/libgtk-3.so.0
Title: unity-panel-service crashed with SIGSEGV in g_hash_table_lookup()
UdevDb: Error: [Errno 2] No such file or directory
UpgradeStatus: Upgraded to oneiric on 2011-08-23 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 12/08/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V0.01
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: G31T-M5
dmi.board.vendor: ECS
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: NEC COMPUTERS SAS
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV0.01:bd12/08/2008:svnNECCOMPUTERSSAS:pnNECGENERATIOND5000:pvr1.0:rvnECS:rnG31T-M5:rvr1.0:cvnNECCOMPUTERSSAS:ct3:cvr:
dmi.product.name: NEC GENERATION D5000
dmi.product.version: 1.0
dmi.sys.vendor: NEC COMPUTERS SAS
version.compiz: compiz 1:0.9.5.0-0ubuntu5
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+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~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 #808286, 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.