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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [HSW ULT]Some subcases of igt/drv_suspend cause system hang sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78650#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [HSW ULT]Some subcases of igt/drv_suspend cause system hang sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78650">bug 78650</a>
from <span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=78650#c2">comment #2</a>)
<span class="quote">> Also does this only happen on ult or also on other hsw platforms? Any other
> general stability issues (suspend failing, modeset issues) on this platform?</span >
I tried on other hsw more than 10 times, didn't found system hang.Here has
another stability <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [SNB/IVB/HSW/BYT/BDW regression] igt/drv_suspend/forcewake cause "WARNING: CPU: 6 PID: 4328 at drivers/gpu/drm/i915/intel_uncore.c:460 gen6_gt_force_wake_put+0xde/0x134 [i915]()""
href="show_bug.cgi?id=78059">bug 78059</a> about igt/drv_suspend/forcewake.</pre>
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