Hi Edgar,
On Fri, Oct 30, 2020 at 02:26:23PM +0000, Merger, Edgar [AUTOSOL/MAS/AUGS]
wrote:
> With one board we have a boot-problem that is reproducible at every ~50 boot.
> The system is accessible via ssh and works fine except for the Graphics. The
> graphics is off. We don´t see a screen. Please see attached “dmesg.log”. From
> [52.772273] onwards the kernel reports drm/amdgpu errors. It even tries to
> reset the GPU but that fails too. I tried to reset amdgpu also by command
> “sudo
> cat /sys/kernel/debug/dri/N/amdgpu_gpu_recover”. That did not help either.
Can you reproduce the problem with an upstream kernel too?
These messages in dmesg indicate some problem in the platform setup:
AMD-Vi: Completion-Wait loop timed out
Might there be some inconsistencies in the PCI setup between the bridges
and the endpoints or something?
Regards,
Joerg
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