> Attaching the Journal, the initial crash can be seen at 12:31:54, lots
going on there, but nothing root-causing this.

[ 3300.659129] WARNING: CPU: 1 PID: 65823 at
drivers/gpu/drm/amd/amdgpu/../display/dc/gpio/gpio_service.c:315
dal_gpio_service_open+0x1b6/0x270 [amdgpu]

This is the assertion you're hitting:
https://github.com/torvalds/linux/blob/v6.12-rc4/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c#L315

Can you reproduce this at will?  Is it tied to being docked?  If so it
might be related to HPD events coming in at the wrong time from the
dock.  We saw something similar that has been fixed in 6.11.y.

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/gpu/drm/amd?h=linux-6.11.y&id=c2356296f546326f9f06c109e201d42201e1e783

If you can still reproduce this (at will) with 6.11.y and 6.12-rc4
please raise it upstream.


At this point I'm not convinced that PSR is the perpetrator, but rather feels 
like a victim.

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/2085340

Title:
  Plenty of amdgpu backtraces post resume

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