compiz crashed with SIGSEGV in g_type_check_instance_cast()

[Dmitry Shachnev]

Most probably a duplicate of bug 862972, but let retracing service to decide.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity 4.20.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu2
Architecture: i386
CrashCounter: 1
Date: Tue Oct 4 15:06:51 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=ru:en
 LANG=ru_RU.utf8
 LC_MESSAGES=ru_RU.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xd0f18e <g_type_check_instance_cast+46>: mov (%edx),%eax
 PC (0x00d0f18e) ok
 source "(%edx)" (0x00000179) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 g_type_check_instance_cast () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 BamfLauncherIcon::OnWindowMovedTimeout(BamfLauncherIcon*) () from /usr/lib/compiz/libunityshell.so
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in g_type_check_instance_cast()
UpgradeStatus: Upgraded to oneiric on 2011-09-02 (31 days ago)
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev nopasswdlogin plugdev sambashare tape video
XsessionErrors:
 (nautilus:1629): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
 (nautilus:1629): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
 (gnome-settings-daemon:1515): libappindicator-WARNING **: Unable to connect to the Notification Watcher: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name :1.74 was not provided by any .service files