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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW ULT]Resume from S3 result in system reboot, with warm boot"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64859#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW ULT]Resume from S3 result in system reboot, with warm boot"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64859">bug 64859</a>
from <span class="vcard"><a class="email" href="mailto:cancan.feng@intel.com" title="cancan,feng <cancan.feng@intel.com>"> <span class="fn">cancan,feng</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=64859#c4">comment #4</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=64859#c2">comment #2</a>)
> > (In reply to <a href="show_bug.cgi?id=64859#c1">comment #1</a>)
> > > We seem to have a pile of "hsw ult only" bugs. Are those all on the same
> > > machine?
> > >
> >
> > No, they don't seem to happen on the same machine. To this issue, it happens
> > on machine which info followed:
> > HSW ULT: C0 stepping 1 (id=0x0a26, rev 09),cpu MHz:1400 GT3（0x20) 1100MHz
> >
> > I also tested it on another hsw ult machine, but can't reproduce, which info
> > followed:
> > HSW ULT: B0 stepping (id=0x0a16, rev 03), CPU 0.80GHz, GT2（0x10) 600MHz;
> >
>
> Could this be related with the BIOS version? What's the BIOS version of the
> machine that doesn't work?</span >
Here is the current BIOS information:
BIOS Version HSWLPTU1.86C.0114.R07.1303182216
I will upgrade the BIOS version to verify whether if this is related with BIOS
version.
<span class="quote">>
>
> > > Paulo can you please confirm whether this is supposed to work on ult or not
> > > (I don't have a machine myself to test)?
>
> The C stepping ULT machine I have here suspends and resumes fine (S3) on
> today's drm-intel-next-queued.</span >
Did you warm boot the machine to test suspend and resume? Because this issue
only happens with warm boot a machine..
<span class="quote">>
>
> > By the way, when I removed i915 and retested it, this issue still there.
>
> Instead of "removing" i915, what happens if you completely blacklist i915
> (i.e., never load it)? If the problem still happens, then it's not the fault
> of the graphics driver.</span ></pre>
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