compiz team mailing list archive

["sarcasmrules@xxxxxxxxxx" <752756@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: compiz

I had Ubuntu One open, and was switching workspaces using Ctrl+Alt+Down,
and Unity/compiz crashed. Luckily Ubuntu managed to restore the taskbar.

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
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module  270.30  Fri Feb 25 14:34:55 PST 2011
 GCC version:  gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu1)
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
Date: Wed Apr  6 18:42:12 2011
DistUpgraded: Log time: 2011-04-06 16:58:56.716511
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus:
 nvidia-current, 270.30, 2.6.35-28-generic, x86_64: installed 
 nvidia-current, 270.30, 2.6.38-8-generic, x86_64: installed
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
GraphicsCard: nVidia Corporation G96 [GeForce 9500 GT] [10de:0640] (rev a1) (prog-if 00 [VGA controller])
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
InstallationMedia_: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
JockeyStatus: xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, In use)
Lsusb:
 Bus 002 Device 003: ID 046e:5577 Behavior Tech. Computer Corp. 
 Bus 002 Device 002: ID 06a2:0001 Topro Technology, Inc. 
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: FOXCONN M61PMV
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=f5ab91e4-92ef-4c80-a898-4c1e1fb3a626 ro vga=798 splash quiet quiet splash nomodeset video=uvesafb:mode_option=1280x1024-24,mtrr=3,scroll=ywrap vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Renderer: Unknown
SegvAnalysis:
 Segfault happened at: 0x7f1b3130688d <free+29>:	mov    -0x8(%rdi),%rsi
 PC (0x7f1b3130688d) ok
 source "-0x8(%rdi)" (0xffffffff00000f30) not located in a known VMA region (needed readable region)!
 destination "%rsi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 free () from /lib/x86_64-linux-gnu/libc.so.6
 g_closure_unref () 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
Title: compiz crashed with SIGSEGV in free()
UpgradeStatus: Upgraded to natty on 2011-04-06 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 07/28/2009
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: P07
dmi.board.name: M61PMV
dmi.board.vendor: FOXCONN
dmi.board.version: FAB 1.1
dmi.chassis.asset.tag: Unknow
dmi.chassis.type: 3
dmi.chassis.vendor: FOXCONN
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvrP07:bd07/28/2009:svnFOXCONN:pnM61PMV:pvrFAB1.1:rvnFOXCONN:rnM61PMV:rvrFAB1.1:cvnFOXCONN:ct3:cvr:
dmi.product.name: M61PMV
dmi.product.version: FAB 1.1
dmi.sys.vendor: FOXCONN
version.compiz: compiz 1:0.9.4git20110322-0ubuntu5
version.ia32-libs: ia32-libs 20090808ubuntu11
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.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
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/752756

Title:
  compiz crashed with SIGSEGV in free()