On Wed 2014-05-14 14:39:19, Jiri Kosina wrote:
> 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?
I did dmesg and I believe I would have noticed "*ERROR*" there.. but
I'll of course capture the buffer when it happens.
Note that X do work somehow after resume (I can't switch virtual
desktops and dialog is stuck on screen, but it is not complete
failure). I can do ctrl-alt-f1 and get to useful prompt.
Pavel
--
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http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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