Created attachment 116529 [details]
Syslog excerpt showing the GPU stall and kernel backtrace

I can report a "me too". According to the syslog (see the attached file for
more details), the crash happens in: drivers/gpu/drm/radeon/radeon_object.c:84
radeon_ttm_bo_destroy+0x86/0x9d with the stack detailed below.

Let me know, if you need something else, to debug this.

My current stack (Debian testing as a base):
GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1)
Mesa: Git:master/4d35eef326
libdrm: 2.4.60-3
LLVM: SVN:trunk/r239668 (3.7 devel)
X.Org: 2:1.17.1-2
Linux: 4.0.5
Firmware: <https://secure.freedesktop.org/~agd5f/radeon_ucode/hawaii/>
> 286640da3d90d7b51bdb038b65addc47  hawaii_ce.bin
> 161105a73f7dfb2fca513327491c32d6  hawaii_mc.bin
> d6195059ea724981c9acd3abd6ee5166  hawaii_me.bin
> ad511d31a4fe3147c8d80b8f6770b8d5  hawaii_mec.bin
> 63eae3f33c77aadbc6ed1a09a2aed81e  hawaii_pfp.bin
> 5b72c73acf0cbd0cbb639302f65bc7dc  hawaii_rlc.bin
> f00de91c24b3520197e1ddb85d99c34a  hawaii_sdma1.bin
> 8e16f749d62b150d0d1f580d71bc4348  hawaii_sdma.bin
> 7b6ca5302b56bd35bf52804919d57e63  hawaii_smc.bin
> 9f2ba7e720e2af4d7605a9a4fd903513  hawaii_uvd.bin
> b0f2a043e72fbf265b2f858b8ddbdb09  hawaii_vce.bin
libclc: Git:master/5cd2688a9f
DDX: Git:master/d7c82731a8