[Bug 110674] Crashes / Resets From AMDGPU / Radeon VII

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110674

--- Comment #113 from ReddestDream <reddestdream at gmail.com> ---
4. 

> Given that two different versions of the code produce the same result, my hunch is that the problem is B. The card is not in a state where it's able to receive power changes.

Something to consider: In pretty much all the dmesg logs we see, amdgpu
attempts to reset the GPU, sometimes successfully, and yet it still can't
properly message the GPU afterward and we see the same sequence of failures
starting with "amdgpu: [powerplay] Failed to send message 0x28, response 0x0
amdgpu: [powerplay] [SetUclkToHightestDpmLevel] Set hard min uclk failed!"

Eventually we start to see: "[drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to
initialize parser -125!"

This comes from:

https://github.com/torvalds/linux/commits/master/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

I'm not sure what the -125 error code indicates. My guess is ECANCELED
(Operation Cancelled) as the negated error code 125.

https://github.com/torvalds/linux/blob/master/include/uapi/asm-generic/errno.h

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