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

[Jason Warner]

I just tried to click on an indicator and this happened. I tried clicking on Sound, I believe.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-services 4.2.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0-3.4-generic-pae 3.0.0-rc5
Uname: Linux 3.0-3-generic-pae 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
CrashCounter: 1
Date: Fri Jul 8 07:36:10 2011
DistUpgraded: Log time: 2011-06-15 08:28:12.994726
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus:
 virtualbox, 4.0.10, 3.0-2-generic-pae, i686: installed
 virtualbox, 4.0.10, 3.0-3-generic-pae, i686: installed
ExecutablePath: /usr/lib/unity/unity-panel-service
GraphicsCard:
 nVidia Corporation G84M [Quadro FX 570M] [10de:040c] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Lenovo ThinkPad T61p [17aa:20d9]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
MachineType: LENOVO 646067U
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcEnviron:
 SHELL=/bin/bash
 LANGUAGE=en_AU:en
 LANG=en_AU.UTF-8
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0-3-generic-pae root=UUID=a2df561a-fffa-439f-9910-22efa03470da ro quiet splash vt.handoff=7
Renderer: Unknown
SegvAnalysis:
 Segfault happened at: 0xb6d003cc <pthread_getspecific+12>: call 0xb6cf9610 <__i686.get_pc_thunk.bx>
 PC (0xb6d003cc) ok
 source "0xb6cf9610" (0xb6cf9610) ok
 destination "(%esp)" (0xbf611000) 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:
 pthread_getspecific () from /lib/i386-linux-gnu/libpthread.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgthread-2.0.so.0
 g_slice_free1 () from /lib/i386-linux-gnu/libglib-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 pthread_getspecific()
UpgradeStatus: Upgraded to oneiric on 2011-06-14 (23 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 05/11/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LETC6WW (2.26 )
dmi.board.name: 646067U
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7LETC6WW(2.26):bd05/11/2009:svnLENOVO:pn646067U:pvrThinkPadT61p:rvnLENOVO:rn646067U:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 646067U
dmi.product.version: ThinkPad T61p
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.4+bzr20110606-0ubuntu6
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11~1-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental 7.11~1-0ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11~1-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.2-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.0-3ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

[Apport retracing service (apport)]

StacktraceTop:
 __pthread_getspecific (key=2) at pthread_getspecific.c:27
 g_private_get_posix_impl (private_key=0x9f40490) at /build/buildd/glib2.0-2.29.10/./gthread/gthread-posix.c:290
 g_slice_free1 (mem_size=170086904, mem_block=0x9f613e0) at /build/buildd/glib2.0-2.29.10/./glib/gslice.c:899
 _gtk_widget_set_device_window (widget=0x0, device=0x1, window=0x1) at /build/buildd/gtk+3.0-3.1.8/./gtk/gtkwidget.c:10876
 synth_crossing_for_grab_notify (from=0x0, to=0xb77deff4, devices=0xbf6113d4, mode=3071594484, info=<value optimized out>) at /build/buildd/gtk+3.0-3.1.8/./gtk/gtkmain.c:2064