Re: [BUG] VAAPI encoder cause kernel panic if encoded video in 4K

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Am 13.04.21 um 23:19 schrieb Mikhail Gavrilov:
On Tue, 13 Apr 2021 at 12:29, Christian König <christian.koenig@xxxxxxx> wrote:
Hi Mikhail,

the crash is a known issue and should be fixed by:

commit f63da9ae7584280582cbc834b20cc18bfb203b14
Author: Philip Yang <Philip.Yang@xxxxxxx>
Date:   Thu Apr 1 00:22:23 2021 -0400

      drm/amdgpu: reserve fence slot to update page table

Unfortunately, this commit couldn't fix the initial problem.
1. Result video is jerky if it grabbed and encoded with ffmpeg
(h264_vaapi codec).
2. OBS still crashed if I try to record or stream video.
3. In the kernel log still appears the message "amdgpu: [mmhub] page
fault (src_id:0 ring:0 vmid:4 pasid:32770, for process obs" if I tried
to record or stream video by OBS.

That is expected behavior, the application is just buggy and causing a page fault on the GPU.

The kernel should just not crash with a backtrace.

Regards,
Christian.
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