[    3.521680] perf: amd_iommu: Detected. (0 banks, 0 counters/bank)
[    6.708098] [drm] amdgpu kernel modesetting enabled.
[    6.709927] fb: switching to amdgpudrmfb from EFI VGA
[    6.710224] amdgpu 0000:28:00.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xffff
[    6.710403] amdgpu 0000:28:00.0: VRAM: 8192M 0x0000000000000000 - 0x00000001FFFFFFFF (8192M used)
[    6.710404] amdgpu 0000:28:00.0: GTT: 8192M 0x0000000200000000 - 0x00000003FFFFFFFF
[    6.710472] [drm] amdgpu: 8192M of VRAM memory ready
[    6.710473] [drm] amdgpu: 8192M of GTT memory ready.
[    6.711766] amdgpu 0000:28:00.0: amdgpu: using MSI.
[    6.711783] [drm] amdgpu: irq initialized.
[    6.711940] amdgpu: powerplay initialized
[    6.713119] amdgpu 0000:28:00.0: fence driver on ring 0 use gpu addr 0x0000000200000008, cpu addr 0xffff995b85d04008
[    6.713156] amdgpu 0000:28:00.0: fence driver on ring 1 use gpu addr 0x0000000200000018, cpu addr 0xffff995b85d04018
[    6.713192] amdgpu 0000:28:00.0: fence driver on ring 2 use gpu addr 0x0000000200000028, cpu addr 0xffff995b85d04028
[    6.713225] amdgpu 0000:28:00.0: fence driver on ring 3 use gpu addr 0x0000000200000038, cpu addr 0xffff995b85d04038
[    6.713254] amdgpu 0000:28:00.0: fence driver on ring 4 use gpu addr 0x0000000200000048, cpu addr 0xffff995b85d04048
[    6.713289] amdgpu 0000:28:00.0: fence driver on ring 5 use gpu addr 0x0000000200000058, cpu addr 0xffff995b85d04058
[    6.713331] amdgpu 0000:28:00.0: fence driver on ring 6 use gpu addr 0x0000000200000068, cpu addr 0xffff995b85d04068
[    6.713362] amdgpu 0000:28:00.0: fence driver on ring 7 use gpu addr 0x0000000200000078, cpu addr 0xffff995b85d04078
[    6.713392] amdgpu 0000:28:00.0: fence driver on ring 8 use gpu addr 0x0000000200000088, cpu addr 0xffff995b85d04088
[    6.713462] amdgpu 0000:28:00.0: fence driver on ring 9 use gpu addr 0x0000000200000098, cpu addr 0xffff995b85d04098
[    6.713494] amdgpu 0000:28:00.0: fence driver on ring 10 use gpu addr 0x00000002000000a8, cpu addr 0xffff995b85d040a8
[    6.714116] amdgpu 0000:28:00.0: fence driver on ring 11 use gpu addr 0x000000000109c420, cpu addr 0xffffa704c2e5a420
[    6.714272] amdgpu 0000:28:00.0: fence driver on ring 12 use gpu addr 0x00000002000000c8, cpu addr 0xffff995b85d040c8
[    6.714297] amdgpu 0000:28:00.0: fence driver on ring 13 use gpu addr 0x00000002000000d8, cpu addr 0xffff995b85d040d8
[    7.097161] fbcon: amdgpudrmfb (fb0) is primary device
[    9.259264] amdgpu 0000:28:00.0: fb0: amdgpudrmfb frame buffer device
[   10.931116] [drm:amdgpu_uvd_ring_test_ib [amdgpu]] *ERROR* amdgpu: IB test timed out.
[   10.931165] [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* amdgpu: failed testing IB on ring 11 (-110).
[   13.171190] [drm:amdgpu_vce_ring_test_ib [amdgpu]] *ERROR* amdgpu: IB test timed out.
[   13.171239] [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* amdgpu: failed testing IB on ring 12 (-110).
[   13.171282] [drm:amdgpu_device_init [amdgpu]] *ERROR* ib ring test failed (-110).
[   37.720288] [drm] Initialized amdgpu 3.9.0 20150101 for 0000:28:00.0 on minor 0
[   38.080193] EDAC amd64: DRAM ECC disabled.
[   38.080195] EDAC amd64: ECC disabled in the BIOS or no ECC capability, module will not load.
[   38.149075] EDAC amd64: DRAM ECC disabled.
[   38.149078] EDAC amd64: ECC disabled in the BIOS or no ECC capability, module will not load.