compiz crashed with SIGSEGV in g_type_check_instance()

[Pit(er) Ralon]

happens after upgrading to 12.04 beta & activating wobbly windows in compiz under ubuntu with propriet driver for amd/ati graphic card

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: compiz-core 1:0.9.7.0~bzr2995-0ubuntu5
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 1.94-0ubuntu1
Architecture: amd64
Date: Sun Mar 4 14:43:09 2012
DistroCodename: precise
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=de_CH:de
 PATH=(custom, no user)
 LANG=de_CH.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f5a44d78135 <g_type_check_instance+21>: mov (%rax),%rdi
 PC (0x7f5a44d78135) ok
 source "(%rax)" (0xffff0000) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 g_type_check_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libbamf3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libdbus-glib-1.so.2
Title: compiz crashed with SIGSEGV in g_type_check_instance()
UpgradeStatus: Upgraded to precise on 2012-03-04 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 g_type_check_instance (type_instance=0x29ecd40) at /build/buildd/glib2.0-2.31.18/./gobject/gtype.c:4072
 g_signal_emit_valist (instance=0x29ecd40, signal_id=217, detail=0, var_args=0x7fff23788e78) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:2966
 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090
 bamf_matcher_on_view_closed (proxy=<optimized out>, path=<optimized out>, type=<optimized out>, matcher=0x29ecd40) at /build/buildd/bamf-0.2.110/./lib/libbamf/bamf-matcher.c:156
 ?? ()

[jhfhlkjlj (fdsuufijjejejejej-deactivatedaccount)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 932382, so it 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. Feel free to continue to report any other bugs you may find.