Created attachment 64610 [details]
On an AOPEN i915GMm-hfs current git xorg server crashes reproducibly during xorg shutdown.
With linux kernel 3.5 the server seems to crash reliably on shutdown.
No problems with kernel 3.4.6.
Created attachment 64980 [details]
gdb full backtrace of segfaulting afa53fe7cffd430cf11f25ca818cb955a78c0c1c Version 184.108.40.2063 (1.13 RC3)
A patch already has been published, see http://lists.x.org/archives/xorg-devel/2012-July/032627.html