[Bug 201539] AMDGPU R9 390 automatic fan speed control in Linux 4.19/4.20/5.0

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Wed Dec 2 09:57:00 UTC 2020


https://bugzilla.kernel.org/show_bug.cgi?id=201539

--- Comment #65 from fawz (fawz at negentropy.io) ---
Unfortunately, your patch leads to a stuck boot. There's some minor 
"corruption" visible on the bottom of the screen while still booting up, 
and then it gets stuck.

I don't think I mentioned this in the previous posts, but I tried 
setting this cap myself, but in the thermal init function instead of in 
the process pp tables one, which had the same effect.

The boot seems to be stuck completely, since I can't ssh into the box 
either. Any suggestions for debugging this crash caused by enabling the 
MicrocodeFanControl cap are appreciated.

On 01/12/2020 23.47, bugzilla-daemon at bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=201539
>
> --- Comment #59 from Alex Deucher (alexdeucher at gmail.com) ---
> Created attachment 293903
>    --> https://bugzilla.kernel.org/attachment.cgi?id=293903&action=edit
> possible fix
>
> The attached patch should fix it.
>

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