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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#c19">Comment # 19</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>(In reply to <a href="show_bug.cgi?id=67813#c18">comment #18</a>)
<span class="quote">> Hi
>
> I believe this patch series fixes the problem:
> <a href="http://lists.freedesktop.org/archives/intel-gfx/2013-September/033984.html">http://lists.freedesktop.org/archives/intel-gfx/2013-September/033984.html</a>
>
> Can you please test?
>
> Thanks,
> Paulo</span >
Test these patches
output:
ERROR: Module i915 is in use
WARNING: i915.ko still loaded!
module successfully loaded again</pre>
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