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[Bug 952332] [NEW] compiz crashed with SIGSEGV in DecorWindow::computeShadowRegion()


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probably it ist similar to bug #752754.
After installing an extension to google crome, a black rectangle appeared. I restarted unity 3d on my ubuntu 12.04, restart worked fine but after reordering my windows across my workspaces, compiz crashed again.
I think, its in both packages. Unity 5.4 and compiz 0.9.x

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity 5.4.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-18.28-generic-pae 3.2.9
Uname: Linux 3.2.0-18-generic-pae i686
ApportVersion: 1.94.1-0ubuntu2
Architecture: i386
CrashCounter: 1
Date: Sun Mar 11 16:48:48 2012
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120301)
ProcCmdline: compiz --replace
 Segfault happened at: 0xb3fa1413 <_ZN11DecorWindow19computeShadowRegionEv+1251>:	testb  $0xc,(%eax)
 PC (0xb3fa1413) ok
 source "$0xc" ok
 destination "(%eax)" (0x000001f0) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity
 DecorWindow::computeShadowRegion() () from /usr/lib/compiz/libdecor.so
 DecorWindow::update(bool) () from /usr/lib/compiz/libdecor.so
 DecorWindow::windowNotify(CompWindowNotify) () from /usr/lib/compiz/libdecor.so
 CompWindow::windowNotify(CompWindowNotify) () from /usr/lib/libcompiz_core.so.ABI-20120216
 WindowInterface::windowNotify(CompWindowNotify) () from /usr/lib/libcompiz_core.so.ABI-20120216
Title: compiz crashed with SIGSEGV in DecorWindow::computeShadowRegion()
UpgradeStatus: Upgraded to precise on 2012-03-10 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

** Affects: compiz (Ubuntu)
     Importance: Medium
         Status: New

** Tags: apport-crash i386 precise
compiz crashed with SIGSEGV in DecorWindow::computeShadowRegion()
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