Excessive GPU power consumption vs. 4.18.18-300 on a desktop with an AMD R9 380.
Nov 18 10:25:38 kernel: amdgpu: [powerplay] Failed to retrieve minimum clocks.
Nov 18 10:25:38 kernel: amdgpu: [powerplay] Error in phm_get_clock_info
...
Nov 18 15:25:59 kernel: [drm:amdgpu_uvd_ring_test_ib [amdgpu]] *ERROR* amdgpu: (0)IB test timed out.
Nov 18 15:25:59 kernel: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* amdgpu: failed testing IB on ring 12 (-110).
...
Nov 18 10:25:39 kernel: amdgpu: [powerplay]
failed to send message 5d ret is 0
Nov 18 10:25:40 kernel: amdgpu: [powerplay]
last message was failed ret is 0
Nov 18 10:25:40 kernel: amdgpu: [powerplay]
failed to send message 148 ret is 0
Nov 18 10:25:41 kernel: amdgpu: [powerplay]
last message was failed ret is 0
Nov 18 10:25:41 kernel: amdgpu: [powerplay]
failed to send message 145 ret is 0
Nov 18 10:25:42 kernel: amdgpu: [powerplay]
last message was failed ret is 0
Nov 18 10:25:42 kernel: amdgpu: [powerplay]
failed to send message 146 ret is 0
... (repeating)
Excessive GPU power consumption vs. 4.18.18-300 on a desktop with an AMD R9 380.