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<body><span class="vcard"><a class="email" href="mailto:tiwai@suse.de" title="Takashi Iwai <tiwai@suse.de>"> <span class="fn">Takashi Iwai</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW ULT desktop mobile bisected] Resume from s4 causes call trace and system hang, with cool boot"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63586">bug 63586</a>
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<td>tiwai@suse.de
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW ULT desktop mobile bisected] Resume from s4 causes call trace and system hang, with cool boot"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63586#c24">Comment # 24</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW ULT desktop mobile bisected] Resume from s4 causes call trace and system hang, with cool boot"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63586">bug 63586</a>
from <span class="vcard"><a class="email" href="mailto:tiwai@suse.de" title="Takashi Iwai <tiwai@suse.de>"> <span class="fn">Takashi Iwai</span></a>
</span></b>
<pre>We see similar S4 breakage on Haswell laptops.
In our case, 3.10-rc4 shows the hang almost immediately after a couple of S4
cycles. The problem was seen on 3.8 and 3.9.
Also, the problem doesn't seem to specific Haswell ULT. A machine with Haswell
Mobile GT2 also hangs.
I already reported in kernel bugzilla, and a few more information are found
there:
<a href="https://bugzilla.kernel.org/show_bug.cgi?id=59321">https://bugzilla.kernel.org/show_bug.cgi?id=59321</a></pre>
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