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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL]igt/gem_concurrent_blit subcase sporadically causes system hang and *ERROR* blitter: timed out waiting for forcewake ack to clear."
href="https://bugs.freedesktop.org/show_bug.cgi?id=89959#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL]igt/gem_concurrent_blit subcase sporadically causes system hang and *ERROR* blitter: timed out waiting for forcewake ack to clear."
href="https://bugs.freedesktop.org/show_bug.cgi?id=89959">bug 89959</a>
from <span class="vcard"><a class="email" href="mailto:mika.kuoppala@intel.com" title="Mika Kuoppala <mika.kuoppala@intel.com>"> <span class="fn">Mika Kuoppala</span></a>
</span></b>
<pre>(In reply to Gavin Hindman from <a href="show_bug.cgi?id=89959#c10">comment #10</a>)
<span class="quote">> Any update on this issue?</span >
Update:
The problem is that after a GPU hang caused by this test, the gpu ends up in a
state that writing to a reset register is an immediate system hang.
No root cause nor workaround yet.</pre>
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