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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [BDW] System hangs after coming back from S4 in Fedora 25"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99669#c14">Comment # 14</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [BDW] System hangs after coming back from S4 in Fedora 25"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99669">bug 99669</a>
from <span class="vcard"><a class="email" href="mailto:imre.deak@intel.com" title="Imre Deak <imre.deak@intel.com>"> <span class="fn">Imre Deak</span></a>
</span></b>
<pre>(In reply to Elizabeth from <a href="show_bug.cgi?id=99669#c12">comment #12</a>)
<span class="quote">> (In reply to Imre Deak from <a href="show_bug.cgi?id=99669#c8">comment #8</a>)
> > (In reply to Humberto Israel Perez Rodriguez from <a href="show_bug.cgi?id=99669#c5">comment #5</a>)
> > > looks like that after try to come back from S4 the system restart, for that
> > > reason does not works the following command
> > >
> > > # echo disk > /sys/power/state; dmesg > dmesg.log; sync
> > >
> > > the dmesg attached is after to come back from S4
> > >
> > (In reply to Humberto Israel Perez Rodriguez from <a href="show_bug.cgi?id=99669#c6">comment #6</a>)
> > > Created <span class=""><a href="attachment.cgi?id=132779" name="attach_132779" title="dmesg.log">attachment 132779</a> <a href="attachment.cgi?id=132779&action=edit" title="dmesg.log">[details]</a></span>
> > > dmesg.log
> >
> > Yes, this new dmesg is again from a normal kernel boot, so not from the
> > resumed kernel. We'd need to get the log from the resumed kernel to progress
> > in this, so could you try to get it with one of the following methods:
> >
> > - serial console
> > - netconsole
> > - pstore (CC'd Marta and Tomi to help set it up)
>
> Hi Imre, as i've commented in my last comment, due to we are not able to
> resume i am afraid that this steps cannot be completed</span >
The above 3 methods are exactly for cases where you cannot resume. serial and
net console may give you usable log before the machine freezes, pstore could
provide a log after the machine freezes and you rebooted the machine.</pre>
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