I think this is the same issue as bug 1054257. And both are a side- effect of the fix for bug 944653.
** Attachment removed: "CoreDump.gz" https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1054724/+attachment/3332341/+files/CoreDump.gz ** Visibility changed to: Public ** Also affects: compiz Importance: Undecided Status: New ** Summary changed: - compiz crashed with SIGSEGV in glXDestroyContext() + compiz crashed with SIGSEGV in glXDestroyContext() [/usr/lib/fglrx/libGL.so.1] from GLScreen::~GLScreen() ** Changed in: compiz Milestone: None => 0.9.8.4 ** Changed in: compiz Status: New => Confirmed ** Changed in: compiz (Ubuntu) Status: New => Confirmed ** Changed in: compiz Importance: Undecided => High ** Changed in: compiz (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1054724 Title: compiz crashed with SIGSEGV in glXDestroyContext() [/usr/lib/fglrx/libGL.so.1] from GLScreen::~GLScreen() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1054724/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : [email protected] Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp

