[Bug 84718] DP MST: re-docking messes up displays

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84718

--- Comment #26 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Daniel Michalik from comment #25)
> Chris, thank you for looking at it. Did you have a look at the kernel bug as
> well, do you think it might be related? Also, is there any additional
> information that I can provide? I'm also hanging out in #intel-gfx on
> freenode, in case you think it might be easier to have a direct conversation.

The kernel warning is unrelated, and I think Daniel has resolved it already.
The freeze you experience in X is directly related to the freeze in the kernel.
If it is the lockup I expect, it should timeout after 10s. That would be
something to check, just wait and see if it recovers eventually. Also checking
with drm-intel-nightly has a couple of further lockup reduction patches.

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