Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188344] INFO: task amdgpu_cs:0:1241 blocked for more than 120 seconds.
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188351]       Not tainted 4.15.0-rc4-drmnext+ #1
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188353] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188356] amdgpu_cs:0     D    0  1241   1215 0x00400000
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188360] Call Trace:
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188374]  ? __schedule+0x291/0x880
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188379]  ? ___slab_alloc+0xea/0x490
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188382]  schedule+0x28/0x80
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188385]  schedule_timeout+0x1d6/0x350
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188446]  ? amdgpu_sync_fence+0x9a/0x130 [amdgpu]
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188452]  dma_fence_default_wait+0x1cc/0x250
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188455]  ? dma_fence_release+0x90/0x90
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188458]  dma_fence_wait_timeout+0x33/0xe0
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188505]  amdgpu_ctx_wait_prev_fence+0x46/0x80 [amdgpu]
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188551]  amdgpu_cs_ioctl+0x98/0x1ae0 [amdgpu]
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188599]  ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu]
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188621]  drm_ioctl_kernel+0x59/0xb0 [drm]
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188635]  drm_ioctl+0x2d5/0x370 [drm]
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188679]  ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu]
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188719]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188725]  do_vfs_ioctl+0xa1/0x610
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188730]  ? SyS_futex+0x12d/0x180
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188733]  SyS_ioctl+0x74/0x80
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188737]  entry_SYSCALL_64_fastpath+0x1e/0x81
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188740] RIP: 0033:0x7fd6ccf8bea7
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188742] RSP: 002b:00007fd6c21869b8 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188744] RAX: ffffffffffffffda RBX: 00007fd6c2186ae8 RCX: 00007fd6ccf8bea7
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188746] RDX: 00007fd6c2186a30 RSI: 00000000c0186444 RDI: 000000000000000e
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188747] RBP: 00007fd6c2186a60 R08: 00007fd6c2186b20 R09: 00007fd6c2186a00
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188749] R10: 00007fd6c2186b20 R11: 0000000000003246 R12: 00000000c0186444
Jan  3 17:03:29 lpnm-empty kernel: [ 1330.188751] R13: 000000000000000e R14: 000055e1466a8638 R15: 0000000000000000