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compiz crashed with SIGSEGV in PrivateGLScreen::paintOutputRegion()
after activating Negative plug-in on CCSM.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity 4.22.0-0ubuntu3
ProcVersionSignature: hostname 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Sat Oct  8 18:36:48 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110915.1)
ProcCmdline: compiz
SegvAnalysis:
 Segfault happened at: 0x7fe7239b9ddf <_ZN15PrivateGLScreen17paintOutputRegionERK8GLMatrixRK10CompRegionP10CompOutputj+367>:	mov    0x40(%rbx),%rax
 PC (0x7fe7239b9ddf) ok
 source "0x40(%rbx)" (0x3e109ceb0e17e740) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 PrivateGLScreen::paintOutputRegion(GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so
 GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so
 WallScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libwall.so
 GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so
 GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so
Title: compiz crashed with SIGSEGV in PrivateGLScreen::paintOutputRegion()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

** Affects: compiz
     Importance: Undecided
         Status: New

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


** Tags: amd64 apport-crash oneiric running-unity
-- 
compiz crashed with SIGSEGV in PrivateGLScreen::paintOutputRegion()
https://bugs.launchpad.net/bugs/870838
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