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[Andrew Mitchell <ajmitch@xxxxxxxxxx>]

Public bug reported:

Binary package hint: compiz

Compiz crashed when trying to alt-tab between windows.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.4git20110322-0ubuntu5
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,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: Thu Apr  7 10:49:20 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus:
 virtualbox-ose-guest, 4.0.4, 2.6.38-7-generic, x86_64: installed 
 virtualbox-ose-guest, 4.0.4, 2.6.38-8-generic, x86_64: installed
ExecutablePath: /usr/bin/compiz
GraphicsCard: InnoTek Systemberatung GmbH VirtualBox Graphics Adapter [80ee:beef] (prog-if 00 [VGA controller])
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta 1 amd64 (20110329.1)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Beta 1 amd64 (20110329.1)
Lsusb:
 Bus 001 Device 002: ID 80ee:0021  
 Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: innotek GmbH VirtualBox
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_NZ:en
 LANG=en_NZ.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=fd6866f9-e306-4e1f-9dd6-350015962d12 ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Renderer: Software
SegvAnalysis:
 Segfault happened at: 0x7fda35de381c <g_closure_invoke+348>:	mov    (%rbx),%rdx
 PC (0x7fda35de381c) 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: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (nautilus:2045): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (<unknown>:2038): libindicator-WARNING **: Shortcut Group does not have key 'TargetEnvironment' falling back to deprecated use of 'OnlyShowIn' and 'NotShowIn'.
 (<unknown>:2230): libindicator-WARNING **: Shortcut Group does not have key 'TargetEnvironment' falling back to deprecated use of 'OnlyShowIn' and 'NotShowIn'.
 (nautilus:2045): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (<unknown>:2812): libindicator-WARNING **: Shortcut Group does not have key 'TargetEnvironment' falling back to deprecated use of 'OnlyShowIn' and 'NotShowIn'.
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH
version.compiz: compiz 1:0.9.4git20110322-0ubuntu5
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

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-crash compiz-0.9 natty running-unity ubuntu

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https://bugs.launchpad.net/bugs/753034

Title:
  compiz crashed with SIGSEGV in g_closure_invoke()