[Bug 109648] AMD Raven hang during va-api decoding

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109648

            Bug ID: 109648
           Summary: AMD Raven hang during va-api decoding
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: xanto at egaming.ro
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 143383
  --> https://bugs.freedesktop.org/attachment.cgi?id=143383&action=edit
dmesg

Hello,

After fixing https://bugs.freedesktop.org/show_bug.cgi?id=109107, hardware
decode on Ryzen 2700u started working again.

However, at the next update at mesa git 67426cc the GPU is hanging completely
if I try to watch videos on chromium-vaapi, with the following error:

[  215.259576] amdgpu 0000:04:00.0: [mmhub] VMC page fault (src_id:0 ring:40
vmid:5 pasid:32770, for process chromium-vaapi pid 2877 thread chromium-v:cs0
pid 2946)
[  215.259583] amdgpu 0000:04:00.0:   in page starting at address
0x0000800110352000 from 18
[  215.259585] amdgpu 0000:04:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00540451
[  225.212368] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring vcn_dec timeout,
signaled seq=46, emitted seq=48
[  225.212466] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process information:
process chromium-vaapi pid 2877 thread chromium-v:cs0 pid 2946


Graphical interface is hanged completely however music keeps hanging in the
background, so I was able to ssh into the system and dump the dmesg log.

Fedora repos:
che-mesa, rpmfusion, fedora-rawhide-kernel-nodebug
Mesa-git installed is build from: sha 67426cc


Full dmesg log attached.

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