compiz crashed with SIGSEGV in g_closure_invoke()

[Robbie Williamson]

Binary package hint: compiz

doing a ctrl-alt-t for a terminal or alt-tab to switch windows caused compiz to crash. The "good news" was that both the compiz restart and unity reload went well.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.4git20110322-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
Architecture: amd64
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
DRM.card0.DP.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.DP.2:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.HDMI.A.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1440x900 1440x900
 edid-base64: AP///////wAwrnRAAAAAACASAQOAHRJ46tCjlltXlCYjUlkAAAABAQEBAQEBAQEBAQEBAQEB2CegjFGEGjAwIDYAH7QQAAAYNCGgjFGEGjAwIDYAH7QQAAAYAAAADwCVCjKVCigeAQAwZABVAAAA/gBMVEQxMzNFUTFCCiAgAHM=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Mon Mar 28 09:31:36 2011
DistUpgraded: Log time: 2010-06-03 15:16:15.473132
DistroCodename: natty
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:20e4]
   Subsystem: Lenovo Device [17aa:20e4]
MachineType: LENOVO 2777CTO
ProcCmdline: compiz
ProcCwd: /home/robbiew
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=185050f9-b1be-4215-889f-803f2bacff21 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-7.38-generic 2.6.38
Renderer: Unknown
SegvAnalysis:
 Segfault happened at: 0x7f01a5a8b81c <g_closure_invoke+348>: mov (%rbx),%rdx
 PC (0x7f01a5a8b81c) ok
 source "(%rbx)" (0x02000000) not located in a known VMA region (needed readable region)!
 destination "%rdx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 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
 ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
Title: compiz crashed with SIGSEGV in g_closure_invoke()
UpgradeStatus: Upgraded to natty on 2010-06-03 (297 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 05/15/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 6EET41WW (3.01 )
dmi.board.name: 2777CTO
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:bvr6EET41WW(3.01):bd05/15/2009:svnLENOVO:pn2777CTO:pvrThinkPadX301:rvnLENOVO:rn2777CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2777CTO
dmi.product.version: ThinkPad X301
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.4git20110322-0ubuntu5
version.libdrm2: libdrm2 2.4.23-1ubuntu5
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu6

[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 #737467, 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.