https://bugs.freedesktop.org/show_bug.cgi?id=51344
--- Comment #10 from Tormod Volden bugzi11.fdo.tormod@xoxy.net 2012-09-11 18:42:32 UTC --- Created attachment 66986 --> https://bugs.freedesktop.org/attachment.cgi?id=66986 backport of Christian's v2 patch
I tried backporting the v2 patch from http://lists.freedesktop.org/archives/dri-devel/2012-September/027608.html to kernel 3.5.2, see attached, but it did not help either. Maybe my card has another issue?
Output from /sys/kernel/debug/dri/0/radeon_fence_info
--- ring 0 --- Last signaled fence 0x00000000deadbeef Last emitted 0x0000000000000670
--- ring 0 --- Last signaled fence 0x00000000deadbeef Last emitted 0x0000000000000c44