https://bugs.freedesktop.org/show_bug.cgi?id=106773

Bug ID: 106773 Summary: Raven ridge, *ERROR* ring vcn_dec timeout Product: DRI Version: DRI git Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: ojab@ojab.ru

Created attachment 139954 --> https://bugs.freedesktop.org/attachment.cgi?id=139954&action=edit dmesg

Raven Ridge APU (2400G), no external GPU, linux-4.17-rc6, libdrm-2.4.91, mesa-18.1.0-rc1, xorg-server-1.19.6, xf86-video-amdgpu-18.0.1, libva-2.1.0, mpv-0.28.2.

while playing video using `mpv --vo=vaapi --hwdec=vaapi`: [119339.517978] amdgpu 0000:08:00.0: [mmhub] VMC page fault (src_id:0 ring:174 vmid:3 pasid:32770) [119339.517987] amdgpu 0000:08:00.0: at page 0x0000000115730000 from 18 [119339.517991] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x0034055D [119339.517999] amdgpu 0000:08:00.0: [mmhub] VMC page fault (src_id:0 ring:174 vmid:3 pasid:32770) [119339.518003] amdgpu 0000:08:00.0: at page 0x0000000115730000 from 18 [119339.518007] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000 [119339.518015] amdgpu 0000:08:00.0: [mmhub] VMC page fault (src_id:0 ring:169 vmid:0 pasid:0) [119339.518019] amdgpu 0000:08:00.0: at page 0x0000000000000000 from 18 [119339.518022] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000 [119339.518029] amdgpu 0000:08:00.0: [mmhub] VMC page fault (src_id:0 ring:153 vmid:0 pasid:0) [119339.518032] amdgpu 0000:08:00.0: at page 0x0000000000000000 from 18 [119339.518035] amdgpu 0000:08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000 [119349.744979] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring vcn_dec timeout, last signaled seq=5760, last emitted seq=5762 [119349.744987] [drm] No hardware hang detected. Did some blocks stall?

nothing graphical except X/mpv is started. I could exit X via Ctrl+C in console and fbdev console becomes accessible, but running X is unkillable and another X cannot be started.