mutter crashed with SIGSEGV in g_type_check_instance()

[Michael R. Crusoe]

Binary package hint: mutter

Unknown context

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: mutter 2.31.5-0ubuntu9
ProcVersionSignature: Ubuntu 2.6.35-28.50-generic 2.6.35.11
Uname: Linux 2.6.35-28-generic i686
Architecture: i386
Date: Wed Apr 6 10:42:14 2011
ExecutablePath: /usr/bin/mutter
InstallationMedia: Ubuntu-Netbook 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcCmdline: mutter
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb1a303 <g_type_check_instance+35>: mov (%eax),%edx
 PC (0x00b1a303) ok
 source "(%eax)" (0x00000001) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: mutter
StacktraceTop:
 g_type_check_instance () from /usr/lib/libgobject-2.0.so.0
 g_signal_handlers_disconnect_matched () from /usr/lib/libgobject-2.0.so.0
 gtk_accel_label_set_accel_closure () from /usr/lib/libgtk-x11-2.0.so.0
 gtk_accel_label_set_accel_widget () from /usr/lib/libgtk-x11-2.0.so.0
 ?? () from /usr/lib/libgtk-x11-2.0.so.0
Title: mutter crashed with SIGSEGV in g_type_check_instance()
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[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 #641561, 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.