4.14 + amdgpupro opencl: sleepng function called:

[Ricardo Ribalda Delgado]

Hi

I am trying to use amdgpupro opencl on top of amdgpu and everything
seems to run fine except this OOPS that I get once per execution:

[  120.180229] BUG: sleeping function called from invalid context at
/var/lib/jenkins/workspace/qt5122-dyspro/build/tmp/work-shared/qt5122/kernel-source/mm/slab.h:421
[  120.181159] in_atomic(): 1, irqs_disabled(): 0, pid: 677, name: clinfo
[  120.181979] CPU: 1 PID: 677 Comm: clinfo Not tainted 4.14.0-qtec-standard #1
[  120.181979] Hardware name: AMD FP4/FP4, BIOS qtec 12/29/2016
[  120.181980] Call Trace:
[  120.181987]  dump_stack+0x4d/0x67
[  120.181990]  ___might_sleep+0xdf/0x100
[  120.181991]  __might_sleep+0x4a/0x80
[  120.181994]  __kmalloc+0x118/0x1d0
[  120.181997]  ? reservation_object_copy_fences+0x38/0x100
[  120.181998]  reservation_object_copy_fences+0x38/0x100
[  120.182006]  ttm_bo_unref+0x12b/0x330 [ttm]
[  120.182045]  amdgpu_bo_unref+0x2a/0x50 [amdgpu]
[  120.182063]  amdgpu_vm_free_levels+0x2b/0x60 [amdgpu]
[  120.182081]  amdgpu_vm_free_levels+0x48/0x60 [amdgpu]
[  120.182098]  amdgpu_vm_fini+0x201/0x280 [amdgpu]
[  120.182113]  amdgpu_driver_postclose_kms+0x111/0x1f0 [amdgpu]
[  120.182133]  drm_release+0x265/0x380 [drm]
[  120.182136]  __fput+0xbe/0x200
[  120.182137]  ____fput+0xe/0x10
[  120.182139]  task_work_run+0x99/0xd0
[  120.182142]  do_exit+0x2e6/0xb70
[  120.182143]  ? __do_page_fault+0x273/0x4f0
[  120.182145]  do_group_exit+0x3b/0xb0
[  120.182146]  SyS_exit_group+0x14/0x20
[  120.182148]  do_syscall_64+0x74/0x1d0
[  120.182150]  entry_SYSCALL64_slow_path+0x25/0x25
[  120.182151] RIP: 0033:0x3586ebec80
[  120.182152] RSP: 002b:00007fff00ca6cf8 EFLAGS: 00000246 ORIG_RAX:
00000000000000e7
[  120.182154] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000003586ebec80
[  120.182154] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
[  120.182155] RBP: 00000035871a28b8 R08: 00000000000000e7 R09: ffffffffffffff78
[  120.182156] R10: 0000003588c15168 R11: 0000000000000246 R12: 00000035871a28b8
[  120.182156] R13: 00000035871a7d40 R14: 0000000000000000 R15: 0000000000000000
[  212.756710] BUG: sleeping function called from invalid context at
/var/lib/jenkins/workspace/qt5122-dyspro/build/tmp/work-shared/qt5122/kernel-source/mm/slab.h:421
[  212.758876] in_atomic(): 1, irqs_disabled(): 0, pid: 678, name: clpeak
[  212.760986] CPU: 3 PID: 678 Comm: clpeak Tainted: G        W
4.14.0-qtec-standard #1
[  212.760987] Hardware name: AMD FP4/FP4, BIOS qtec 12/29/2016
[  212.760989] Call Trace:
[  212.761004]  dump_stack+0x4d/0x67
[  212.761012]  ___might_sleep+0xdf/0x100
[  212.761017]  __might_sleep+0x4a/0x80
[  212.761024]  __kmalloc+0x118/0x1d0
[  212.761030]  ? reservation_object_copy_fences+0x38/0x100
[  212.761038]  reservation_object_copy_fences+0x38/0x100
[  212.761054]  ttm_bo_unref+0x12b/0x330 [ttm]
[  212.761117]  amdgpu_bo_unref+0x2a/0x50 [amdgpu]
[  212.761160]  amdgpu_vm_free_levels+0x2b/0x60 [amdgpu]
[  212.761206]  amdgpu_vm_free_levels+0x48/0x60 [amdgpu]
[  212.761252]  amdgpu_vm_fini+0x201/0x280 [amdgpu]
[  212.761289]  amdgpu_driver_postclose_kms+0x111/0x1f0 [amdgpu]
[  212.761320]  drm_release+0x265/0x380 [drm]
[  212.761324]  __fput+0xbe/0x200
[  212.761328]  ____fput+0xe/0x10
[  212.761331]  task_work_run+0x99/0xd0
[  212.761336]  do_exit+0x2e6/0xb70
[  212.761339]  ? __do_page_fault+0x273/0x4f0
[  212.761342]  do_group_exit+0x3b/0xb0
[  212.761345]  SyS_exit_group+0x14/0x20
[  212.761348]  do_syscall_64+0x74/0x1d0
[  212.761352]  entry_SYSCALL64_slow_path+0x25/0x25
[  212.761354] RIP: 0033:0x3586ebec80
[  212.761356] RSP: 002b:00007ffecb885588 EFLAGS: 00000246 ORIG_RAX:
00000000000000e7
[  212.761359] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000003586ebec80
[  212.761361] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
[  212.761363] RBP: 00000035871a28b8 R08: 00000000000000e7 R09: ffffffffffffff58
[  212.761364] R10: 0000003588c15168 R11: 0000000000000246 R12: 00000035871a28b8
[  212.761365] R13: 00000035871a7d40 R14: 0000000000000000 R15: 0000000000000000


before I start digging in the code: have someone seen this issue before?

Thanks!


-- 
Ricardo Ribalda