[   12.980953] amdgpu 0000:01:00.0: fb0: amdgpudrmfb frame buffer device
[   12.982746] [drm:.gfx_v6_0_ring_test_ib [amdgpu]] *ERROR* amdgpu: ib test
failed (scratch(0x2140)=0xCAFEDEAD)
[   12.982890] [drm:.amdgpu_ib_ring_tests [amdgpu]] *ERROR* amdgpu: failed
testing IB on GFX ring (-22).
[   12.982999] [drm:.amdgpu_device_init [amdgpu]] *ERROR* ib ring test failed
(-22).
[   13.296975] [drm] Initialized amdgpu 3.10.0 20150101 for 0000:01:00.0 on
minor 0
[   34.022373] [drm] xxxx: dce_v6_0_afmt_setmode ----no impl !!!!!!!!
[  569.726065] [drm] IH: HPD1
[  570.299355] [drm] IH: HPD1


Qoriq PPC64 Fedora Server 25
:-( :-(