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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [hsw] *ERROR* Timed out waiting for forcewake old ack to clear."
href="https://bugs.freedesktop.org/show_bug.cgi?id=68575#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [hsw] *ERROR* Timed out waiting for forcewake old ack to clear."
href="https://bugs.freedesktop.org/show_bug.cgi?id=68575">bug 68575</a>
from <span class="vcard"><a class="email" href="mailto:daniel@ffwll.ch" title="Daniel Vetter <daniel@ffwll.ch>"> <span class="fn">Daniel Vetter</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=68575#c0">comment #0</a>)
<span class="quote">> There is a low probabilty of this timeout ocurring, especially noticeable if
> polling the rings for GPU busyness.</span >
So essentially it's broken, only pampered over by us not using forcewake too
often? Do consistency checks of the forcewake register turn up anything? Iirc
I've heard some noise that this register sometimes drops writes or wreaks other
havoc ...</pre>
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