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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [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"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67813#c28">Comment # 28</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [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"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67813">bug 67813</a>
from <span class="vcard"><a class="email" href="mailto:przanoni@gmail.com" title="Paulo Zanoni <przanoni@gmail.com>"> <span class="fn">Paulo Zanoni</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=67813#c27">comment #27</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=67813#c26">comment #26</a>)
> > 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.</span >
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?</pre>
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