compiz crashed with SIGSEGV in pthread_mutex_lock()

[Marek Tyburec]

Binary package hint: compiz

This happened by starting libreoffice writer.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.2.1+glibmainloop4-0ubuntu8
ProcVersionSignature: Ubuntu 2.6.38-1.28-generic 2.6.38-rc2
Uname: Linux 2.6.38-1-generic x86_64
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,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: 1366x768
 edid-base64: AP///////wAlzAcAAAAAAAATAQOAIhN4CsiFnldUmyYSUFQAAAABAQEBAQEBAQEBAQEBAQEBEhtWZlAAEzAZETMAWMIQAAAZAAAAAAAAAAAAAAAAAAAAAAAAAAAA/gBJTkxEaXNwbGF5CiAgAAAA/ABCVDE1NkdXMDEAVi4zAKI=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Tue Feb 1 14:49:55 2011
DistUpgraded: Yes, recently upgraded Log time: 2010-12-03 08:08:22.908006
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus:

ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Subsystem: Hewlett-Packard Company Device [103c:1526]
   Subsystem: Hewlett-Packard Company Device [103c:1526]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
LocalLibraries: /usr/local/lib/libcanberra.so.0.2.4 /usr/local/lib/libz.so.1.2.5
MachineType: Hewlett-Packard HP 620
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=cs_CZ:cs:en_GB:en
 LANG=cs_CZ.UTF-8
 LC_MESSAGES=cs_CZ.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-1-generic root=UUID=a0ad7778-8d27-40c2-8f6f-6ff75321f37c ro quiet splash vt.handoff=7
Renderer: Hardware acceleration
SegvAnalysis:
 Segfault happened at: 0x7fa5fbe15394 <pthread_mutex_lock+4>: mov 0x10(%rdi),%esi
 PC (0x7fa5fbe15394) ok
 source "0x10(%rdi)" (0x100000017) not located in a known VMA region (needed readable region)!
 destination "%esi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 pthread_mutex_lock () from /lib/libpthread.so.0
 ?? () from /lib/libglib-2.0.so.0
 PrivateScreen::~PrivateScreen() ()
 PrivateScreen::~PrivateScreen() ()
 CompScreen::~CompScreen() ()
Title: compiz crashed with SIGSEGV in pthread_mutex_lock()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 02/25/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68PVI Ver. F.00
dmi.board.name: 1526
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 71.0D
dmi.chassis.asset.tag: CNU0203BP0
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68PVIVer.F.00:bd02/25/2010:svnHewlett-Packard:pnHP620:pvrF.00:rvnHewlett-Packard:rn1526:rvrKBCVersion71.0D:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP 620
dmi.product.version: F.00
dmi.sys.vendor: Hewlett-Packard
version.libdrm2: libdrm2 2.4.23-1ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10-1ubuntu1
version.xserver-xorg: xserver-xorg 1:7.5+6ubuntu8
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.13.2+git20110124.fadee040-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu2

[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 #711231, 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.