compiz crashed with SIGSEGV in sigc::signal_base::impl()

[Davorin Šego]

Binary package hint: compiz

Ubuntu natty (development branch)
Release: 11.04

compiz:
  Installed: 1:0.9.2.1+glibmainloop4-0ubuntu7
  Candidate: 1:0.9.2.1+glibmainloop4-0ubuntu7
  Version table:
 *** 1:0.9.2.1+glibmainloop4-0ubuntu7 0
        500 http://archive.ubuntu.com/ubuntu/ natty/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.2.1+glibmainloop4-0ubuntu7
ProcVersionSignature: Ubuntu 2.6.38-1.28-generic 2.6.38-rc2
Uname: Linux 2.6.38-1-generic x86_64
Architecture: amd64
CrashCounter: 1
DRM.card0.HDMI.A.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1366x768 1366x768 1280x720 1152x768 1024x768 800x600 848x480 720x480 640x480
 edid-base64: AP///////wAwrpBAAAAAAAATAQOAHRB46v7lk1hUjCggUFQAAAABAQEBAQEBAQEBAQEBAQEB7htWkFAAFTAoIDYAJaUQAAAZSBdWkFAAFTAoIDYAJaUQAAAZAAAADwCMCTKMCSgUCQAyDAAAAAAA/gBMUDEzM1dIMi1UTE40AA==
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes:
 edid-base64:
Date: Sat Jan 29 14:25:43 2011
DistUpgraded: Yes, recently upgraded Log time: 2011-01-28 21:47:49.147773
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard: Subsystem: Lenovo Device [17aa:21b3]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20101202)
MachineType: LENOVO 01976GG
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=hr_HR:hr_HR.UTF-8:hr:en_GB:en
 LANG=hr_HR.UTF-8
 LC_MESSAGES=hr_HR.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-1-generic root=UUID=112c35d7-5640-44f2-932f-41f3838eebf2 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7fe34b0f52f6 <_ZNK4sigc11signal_base4implEv+22>: mov 0x8(%rdi),%rbx
 PC (0x7fe34b0f52f6) ok
 source "0x8(%rdi)" (0x000000e8) not located in a known VMA region (needed readable region)!
 destination "%rbx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 sigc::signal_base::impl() const () from /usr/lib/libsigc-2.0.so.0
 sigc::signal_base::connect(sigc::slot_base const&) () from /usr/lib/libsigc-2.0.so.0
 UnityScreen::UnityScreen(CompScreen*) () from /usr/lib/compiz/libunityshell.so
 CompPlugin::VTableForScreenAndWindow<UnityScreen, UnityWindow>::initScreen(CompScreen*) () from /usr/lib/compiz/libunityshell.so
 CompManager::initPlugin(CompPlugin*) ()
Title: compiz crashed with SIGSEGV in sigc::signal_base::impl()
UnitySupportTest:

UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (nautilus:1222): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (nm-applet:1224): Gtk-CRITICAL **: IA__gtk_widget_is_toplevel: assertion `GTK_IS_WIDGET (widget)' failed
 (nm-applet:1224): Gtk-CRITICAL **: IA__gtk_widget_is_toplevel: assertion `GTK_IS_WIDGET (widget)' failed
dmi.bios.date: 09/10/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 6ZET33WW (1.20 )
dmi.board.name: INVALID
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:bvr6ZET33WW(1.20):bd09/10/2010:svnLENOVO:pn01976GG:pvrThinkPadEdge:rvnLENOVO:rnINVALID:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 01976GG
dmi.product.version: ThinkPad Edge
dmi.sys.vendor: LENOVO
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.fadee040-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu1