[Bug 104345] Playing video hangs X-Server with showing scrambled picture, sound still playing.

https://bugs.freedesktop.org/show_bug.cgi?id=104345

--- Comment #6 from bernhardu bernhardu@mailbox.org --- Created attachment 136709 --> https://bugs.freedesktop.org/attachment.cgi?id=136709&action=edit kernel output captured from the serial line. (4.14.10+lockdep)

Attaching another example with a vanilla kernel 4.14.10 with lockdep enabled.

Shows again such "GPU fault detected:" followed by a "task amdgpu_cs:0:1014 blocked for more than 120 seconds.

I might add that it may be related to one or more suspend and resume cycles.

Is there anything I can attach or test to make identification of the issue easier?