Comment # 5 on bug 1090456 from Mauro Gaspari

Reopening this bug as it seems it started again last night. Updating system
info:

OS: OpenSUSE tumbleweed x86_64 updated (2018 08 10)
Kernel: 4.17.2-1-default
Desktop Environment: KDE Plasma (x11)
OpenGL version string: 3.1 Mesa 18.1.5
GPU: AMD Radeon RX Vega 64 8GB


Relevant log lines I found during freeze:

2018-08-09T23:16:53.103775+08:00 MGDT-Tumbleweed kernel: [ 6305.852703]
[drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, last signaled
seq=1745163, last emitted seq=
1745165
2018-08-09T23:16:53.103795+08:00 MGDT-Tumbleweed kernel: [ 6305.852704] [drm]
No hardware hang detected. Did some blocks stall?


Dmesg lines relative to amdgpu:

[    3.130759] [drm] amdgpu kernel modesetting enabled.
[    3.135770] fb: switching to amdgpudrmfb from EFI VGA
[    3.136106] amdgpu 0000:03:00.0: Invalid PCI ROM header signature: expecting
0xaa55, got 0xffff
[    3.136171] amdgpu 0000:03:00.0: VRAM: 8176M 0x000000F400000000 -
0x000000F5FEFFFFFF (8176M used)
[    3.136173] amdgpu 0000:03:00.0: GTT: 512M 0x000000F600000000 -
0x000000F61FFFFFFF
[    3.136494] [drm] amdgpu: 8176M of VRAM memory ready
[    3.136495] [drm] amdgpu: 8176M of GTT memory ready.
[    4.114469] fbcon: amdgpudrmfb (fb0) is primary device
[    4.141179] amdgpu 0000:03:00.0: fb0: amdgpudrmfb frame buffer device
[    4.164072] amdgpu 0000:03:00.0: ring 0(gfx) uses VM inv eng 4 on hub 0
[    4.164074] amdgpu 0000:03:00.0: ring 1(comp_1.0.0) uses VM inv eng 5 on hub
0
[    4.164075] amdgpu 0000:03:00.0: ring 2(comp_1.1.0) uses VM inv eng 6 on hub
0
[    4.164075] amdgpu 0000:03:00.0: ring 3(comp_1.2.0) uses VM inv eng 7 on hub
0
[    4.164076] amdgpu 0000:03:00.0: ring 4(comp_1.3.0) uses VM inv eng 8 on hub
0
[    4.164077] amdgpu 0000:03:00.0: ring 5(comp_1.0.1) uses VM inv eng 9 on hub
0
[    4.164078] amdgpu 0000:03:00.0: ring 6(comp_1.1.1) uses VM inv eng 10 on
hub 0
[    4.164079] amdgpu 0000:03:00.0: ring 7(comp_1.2.1) uses VM inv eng 11 on
hub 0
[    4.164079] amdgpu 0000:03:00.0: ring 8(comp_1.3.1) uses VM inv eng 12 on
hub 0
[    4.164080] amdgpu 0000:03:00.0: ring 9(kiq_2.1.0) uses VM inv eng 13 on hub
0
[    4.164081] amdgpu 0000:03:00.0: ring 10(sdma0) uses VM inv eng 4 on hub 1
[    4.164082] amdgpu 0000:03:00.0: ring 11(sdma1) uses VM inv eng 5 on hub 1
[    4.164083] amdgpu 0000:03:00.0: ring 12(uvd) uses VM inv eng 6 on hub 1
[    4.164084] amdgpu 0000:03:00.0: ring 13(uvd_enc0) uses VM inv eng 7 on hub
1
[    4.164085] amdgpu 0000:03:00.0: ring 14(uvd_enc1) uses VM inv eng 8 on hub
1
[    4.164085] amdgpu 0000:03:00.0: ring 15(vce0) uses VM inv eng 9 on hub 1
[    4.164086] amdgpu 0000:03:00.0: ring 16(vce1) uses VM inv eng 10 on hub 1
[    4.164087] amdgpu 0000:03:00.0: ring 17(vce2) uses VM inv eng 11 on hub 1
[    4.164553] [drm] Initialized amdgpu 3.25.0 20150101 for 0000:03:00.0 on
minor 0