[Bug 105733] Amdgpu randomly hangs and only ssh works. Mouse cursor moves sometimes but does nothing. Keyboard stops working.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105733

las at protonmail.ch changed:

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                 CC|                            |las at protonmail.ch

--- Comment #57 from las at protonmail.ch ---
Created attachment 143206
  --> https://bugs.freedesktop.org/attachment.cgi?id=143206&action=edit
I get these errors when attempting to boot after a normal GPU hang and KMS
happens

Recently I've been getting another type of hang somehow. After a normal hang
happens, where my screen gets garbled output, I can't even get past KMS in the
next couple of boots. I can fix this by flipping my VBIOS switch, which heavily
leads me to believe that amdgpu somehow corrupts the GPU's firmware. I have
attached the error I get when KMS happens at boot, which happens after I get a
hang while using the system normally. The monitor doesn't display anything when
this happens, but I can still control caps lock, etc., however I can not shut
it off normally. I have not tested whether SSH and such still work.

This honestly makes me doubt whether what I am experiencing is the same bug; is
it simply a faulty GPU? I am using a Sapphire RX 580 4GB, which I bought used
from a windows user. It *did* work for him, so obviously it isn't entirely
broken at least.

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