https://bugs.freedesktop.org/show_bug.cgi?id=105251
--- Comment #67 from udo udovdh@xs4all.nl --- I get multiple of these:
392.377183] amdgpu 0000:09:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 vmid:5 pasid:32772, for process firefox pid 4467 thread firefox:cs0 pid 4565 ) [ 392.377194] amdgpu 0000:09:00.0: at address 0x00000001013d4000 from 27 [ 392.377200] amdgpu 0000:09:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00501031
(...)
[ 402.621544] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, signaled seq=28019, emitted seq=28022 [ 402.621551] [drm] GPU recovery disabled.
Fedora 30 on Gigabyte X470 AORUS ULTRA GAMING w/ AMD Ryzen 5 2400G with Radeon Vega Graphics running git mesa and git xf86-video-amdgpu.