Upstream suspects this may be a case of http://bugs.freedesktop.org/show_bug.cgi?id=7128, due to the AIGLX code dereferncing a stale DrawablePtr.
Upstream suspects this may be a case of http:// bugs.freedeskto p.org/show_ bug.cgi? id=7128, due to the
AIGLX code dereferncing a stale DrawablePtr.