On Tue, 13 May 2014, Pavel Machek wrote:
> > > There seems to be regression in 3.15 w.r.t. suspend to ram and suspend
> > > to disk.
> > >
> > > Resume sometiems works, but often, system is half-usable, with "what
> > > do you want to do suspend/hibernate" dialog staying on screen.
> > >
> > > I did echo disk > /sys/power/state, and echo never returned to the
> > > shell prompt. (X was not really working, either.)
> > >
> > > It is still there on 3.15.0-rc3+. I'll update to rc5 now.
> >
> > 3.15.0-rc5+ seems to behave a bit better. Lets see if it reappears.
>
> It did.
So it might in the end of the day the same thing as I have reported in
https://bugs.freedesktop.org/show_bug.cgi?id=76554
which is not 100% reproducible either (although with newer kernels it's
*much* more reproducible for me than with older).
> It worked few times on -rc5, but then I rebooted and problem
> re-appeared.
If you could capture dmesg of the resume where X fails to resume properly
to see whether you have i915 ring initialization errors there as well?
--
Jiri Kosina
SUSE Labs
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