compiz crashed with SIGSEGV in CompWindow::id()

[AO]

Precise amd64 fully updated, thhis happened under normal use.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity 5.8.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
Uname: Linux 3.2.0-22-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0-0ubuntu4
Architecture: amd64
Date: Sun Apr 8 11:04:52 2012
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120313)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=fr_CA:fr
 PATH=(custom, no user)
 LANG=fr_CA.UTF-8
 SHELL=/bin/bash
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
Title: compiz crashed with SIGSEGV in CompWindow::id()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Daniel van Vugt (vanvugt)]

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 851982, 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.