Created attachment 68149 [details]
relevant log part
I have a multiseat setup with two radeon cards, 5450HD and 3650HD, I was playing urbanterror on the seat that uses 3650HD and the gpu stalled.
my kernel version is 3.6.0, libdrm, mesa and xf86-video-ati are from git where the last update was yesterday.
I'm attaching the relevant part from /var/log/messages.
yesterday I've played the same game on the same setup and it didn't stalled.
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