[Bug 67813] [HSW bisected]igt/module_reload causes [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 44004 and system hang with headless, with power well disabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67813

--- Comment #28 from Paulo Zanoni <przanoni at gmail.com> ---
(In reply to comment #27)
> (In reply to comment #26)
> > So I guess we need to patch module_reload to also "rmmod snd_hda_intel" (or
> > whatever the correct module is).
> 
> Yup, I think we need to add that. Lu Hua, can you please file a new bug
> report that module_reload doesn't work on Haswell? It's a regression, so top
> priority bug.

The ugly thing about it, is that, at least on my machine, we need to "pkill
alsactl" in addition to stopping gdm. Do we want this on the script?

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