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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#c21">Comment # 21</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:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>
<span class="quote">> Are you sure you did the test correctly? Did you kill X and all the other
> DRM clients when doing this? If you repeat the test with
> i915.disable_power_well=0 do you also get the same problem?</span >
Run with i915.disable_power_well=0, also has same output info.
<span class="quote">>
> All conditions necessary to run the other intel-gpu-tools tests apply when
> running module_reload.</span >
Clean boot system, then test it.</pre>
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