On 04.08.2016 19:18, Christian König wrote: > Am 27.07.2016 um 04:26 schrieb Michel Dänzer: >> On 22.07.2016 22:10, Christian König wrote: >>> From: Christian König <christian.koenig at amd.com> >>> >>> We still need to unbind explicitely during a move. >> This change fixed a hang for me when running the piglit test >> max-texture-size with the radeon driver on Kaveri. >> >> However, there's still a similar hang left when letting the piglit test >> tex3d-maxsize run concurrently with other tests (running tex3d-maxsize >> alone doesn't hang, but fails due to running out of GPU memory; that's a >> recent radeonsi regression). There are >> >> [TTM] Buffer eviction failed >> >> messages in dmesg shortly before the hang. >> >> I haven't seen such hangs with older kernels. Any ideas offhand what the >> problem could be? If not, I'll try bisecting. > Of hand I would certainly try to disable pipelined buffer moves. > > You could also try to revert "6b5f77799274c151f6cc5467c5abe6ad366a965e > drm/amdgpu: remove pre move wait". This is using the radeon driver. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer