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

[Jorge Luis Ramírez Orozco]

Binary package hint: compiz

Ubuntu 11.04 (natty)
Linux Kernel 2.6.37-12-generic-pae
GNOME 2.32.1
Non-Free Kernel: None
Package Version: 1:0.9.2.1+glibmainloop4-0ubuntu3 (compiz)
Expected to happen: Change activation key of Expo and Scale Add-ons to screen pointer activation
Happened instead: Compiz and Unity broke

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.2.1+glibmainloop4-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.37-12.26-generic-pae 2.6.37
Uname: Linux 2.6.37-12-generic-pae i686
Architecture: i386
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: 1280x800
 edid-base64: AP///////wBMo0VPAAAAAAASAQOAIRV4Cof1lFdPjCcnUFQAAAABAQEBAQEBAQEBAQEBAQEBEhsAiFAgEDAQMBMAS88QAAAZAAAADwAAAAAAAAAAACOHAmQAAAAA/gBTQU1TVU5HCiAgICAgAAAA/gAxNTRBVDA3LTMwMSAKAJI=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Tue Jan 25 13:29:44 2011
DistUpgraded: Yes, recently upgraded Log time: 2011-01-11 22:40:14.758703
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Subsystem: Hewlett-Packard Company Device [103c:30dd]
   Subsystem: Hewlett-Packard Company Device [103c:30dd]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20101202)
MachineType: Hewlett-Packard HP Compaq 6730b (KU441ET#ABE)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=es_ES:es:en_GB:en
 LANG=es_ES.UTF-8
 LC_MESSAGES=es_ES.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.37-12-generic-pae root=UUID=1d7f334d-e90b-448a-9612-38e4f0ce69ef ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0xb7595e3d <_ZNK4sigc11signal_base4implEv+29>: mov 0x4(%edi),%esi
 PC (0xb7595e3d) ok
 source "0x4(%edi)" (0x0000007c) not located in a known VMA region (needed readable region)!
 destination "%esi" 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:1520): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (nautilus:1520): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (nautilus:1520): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (nautilus:1520): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (apport-gtk:1720): Gtk-WARNING **: /build/buildd/gtk+2.0-2.23.90/gtk/gtktreestore.c:765: Unable to convert from PyObject to gchararray
dmi.bios.date: 09/18/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68PDD Ver. F.08
dmi.board.name: 30DD
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 96.18
dmi.chassis.asset.tag: CNU846347T
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68PDDVer.F.08:bd09/18/2008:svnHewlett-Packard:pnHPCompaq6730b(KU441ET#ABE):pvrF.08:rvnHewlett-Packard:rn30DD:rvrKBCVersion96.18:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP Compaq 6730b (KU441ET#ABE)
dmi.product.version: F.08
dmi.sys.vendor: Hewlett-Packard
version.libdrm2: libdrm2 2.4.22-2ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 7.9+repack-1ubuntu6
version.xserver-xorg: xserver-xorg 1:7.5+6ubuntu8
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.13.2-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.13.901-2ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20100805+b96170a-0ubuntu1

[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 #700600, 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.