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

[Daniel Holbach]

No idea what happened.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: unity-services 7.1.0+13.10.20130805-0ubuntu1
ProcVersionSignature: Ubuntu 3.10.0-6.17-generic 3.10.3
Uname: Linux 3.10.0-6-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.12-0ubuntu3
Architecture: amd64
CheckboxSubmission: 2f383a1679e8525d7196eb2518a1921f
CheckboxSystem: bb422ca46d02494cdbc459927a98bc2f
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Thu Aug 8 17:03:20 2013
DistUpgraded: 2013-06-07 19:16:22,118 DEBUG enabling apt cron job
DistroCodename: saucy
DistroVariant: ubuntu
ExecutablePath: /usr/lib/unity/unity-panel-service
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:21da]
InstallationDate: Installed on 2011-08-19 (720 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110817)
MachineType: LENOVO 429149G
MarkForUpload: True
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.10.0-6-generic root=UUID=51ab960b-a2da-4841-98ce-c017f0582971 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f2cb7746fec <g_type_check_instance_cast+28>: mov (%rax),%rdi
 PC (0x7f2cb7746fec) ok
 source "(%rax)" (0xaaaaaaaaaaaaaaaa) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libdbusmenu-gtk3.so.4
 ?? () from /usr/lib/x86_64-linux-gnu/libdbusmenu-gtk3.so.4
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: unity-panel-service crashed with SIGSEGV in g_type_check_instance_cast()
UpgradeStatus: Upgraded to saucy on 2013-06-07 (61 days ago)
UserGroups: adm admin audio cdrom dialout lpadmin plugdev sambashare utah
dmi.bios.date: 05/18/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8DET46WW (1.16 )
dmi.board.asset.tag: Not Available
dmi.board.name: 429149G
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:bvr8DET46WW(1.16):bd05/18/2011:svnLENOVO:pn429149G:pvrThinkPadX220:rvnLENOVO:rn429149G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 429149G
dmi.product.version: ThinkPad X220
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu3
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.46-1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.4-0ubuntu8
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.4-0ubuntu8
version.xserver-xorg-core: xserver-xorg-core 2:1.14.2-0ubuntu9
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.12-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.8-0ubuntu3
xserver.bootTime: Thu Aug 8 14:35:35 2013
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:

xserver.version: 2:1.14.2-0ubuntu9

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1180926, 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.