compiz crashed with SIGSEGV in g_closure_invoke()

[Danny Harvison]

Binary package hint: compiz

This happened when I tried to alt-tab to another window.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.4+bzr20110406-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
CompizPlugins: [core,bailer,crashhandler,detection,composite,opengl,compiztoolbox,copytex,imgjpeg,switcher,decor,grid,imgpng,imgsvg,gnomecompat,staticswitcher,vpswitch,text,move,wallpaper,dbus,mousepoll,resize,regex,commands,wall,widget,unitymtgrabhandles,ring,place,loginout,session,animation,wobbly,shelf,fade,expo,scale,workarounds,animationaddon,unityshell,bench]
CompositorRunning: compiz
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1024x600
 edid-base64: AP///////wBMozAwAAAAAAATAQOAFg14CoWVmVdPjyYhUFQAAAABAQEBAQEBAQEBAQEBAQEBGxUAQEFYRiAYiDYA330AAAAZAAAADwAAAAAAAAAAAFjSClUAAAAA/gBTQU1TVU5HCiAgICAgAAAA/gAxMDFOVDA1LUEwMQogAPA=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Thu Apr 7 08:39:10 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation N10 Family Integrated Graphics Controller [8086:a011] (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0349]
   Subsystem: Acer Incorporated [ALI] Device [1025:0349]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
MachineType: Acer AOD255
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=828af3d2-167e-4ae8-8720-bc0f83e2cec4 ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Renderer: Unknown
SegvAnalysis:
 Segfault happened at: 0x7f5dabb23848 <g_closure_invoke+392>: mov (%rax),%rdi
 PC (0x7f5dabb23848) ok
 source "(%rax)" (0xffffff0100001f) not located in a known VMA region (needed readable region)!
 destination "%rdi" 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: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 10/07/2010
dmi.bios.vendor: Acer
dmi.bios.version: V3.08(DDR2)
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: JE02_PT
dmi.board.vendor: Acer
dmi.board.version: V3.08(DDR2)
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V3.08(DDR2)
dmi.modalias: dmi:bvnAcer:bvrV3.08(DDR2):bd10/07/2010:svnAcer:pnAOD255:pvrV3.08(DDR2):rvnAcer:rnJE02_PT:rvrV3.08(DDR2):cvnAcer:ct10:cvrV3.08(DDR2):
dmi.product.name: AOD255
dmi.product.version: V3.08(DDR2)
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.4+bzr20110406-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.1-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu6
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 #748033, 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.