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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Delay in skl_disable_plane() causes a system freeze"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104975#c40">Comment # 40</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Delay in skl_disable_plane() causes a system freeze"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104975">bug 104975</a>
from <span class="vcard"><a class="email" href="mailto:azhar.shaikh@intel.com" title="Azhar <azhar.shaikh@intel.com>"> <span class="fn">Azhar</span></a>
</span></b>
<pre>
(In reply to Maarten Lankhorst from <a href="show_bug.cgi?id=104975#c39">comment #39</a>)
<span class="quote">> The calls to kprintf will add a random delay, and will destroy the timing of
> the vblank evasion, so it's not surprising it causes a hang. We had to
> remove debug calls before because of that reason.
>
> If the bug cannot be reproduced with the patch series any more, and you
> don't get warnings with CONFIG_DRM_I915_DEBUG_VBLANK_EVADE enabled, then I
> think it's fixed. :)</span >
Sorry forgot to add yesterday, I still see couple of warnings with the above
config option enabled. Attaching those logs.
Could you please give your views on Art's comments in <a href="show_bug.cgi?id=104975#c26">comment #26</a>. Do we follow
the sequence mentioned by Art?</pre>
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