Re: 2.6.27-rc6: nohz + s2ram = need to press keys to get progress

From: Thomas Gleixner
Date: Sun Sep 14 2008 - 15:19:24 EST


On Sun, 14 Sep 2008, Pavel Machek wrote:
> On Sun 2008-09-14 10:51:04, Thomas Gleixner wrote:
> > On Sun, 14 Sep 2008, Pavel Machek wrote:
> > > > It _does_ happen with mainline 2.6.27-rc6.
> > >
> > > s2ram hs problem in mainline 2.6.26, too. (Different problem: no
> > > ammount pressing shift helps there.) nohz=off cures it, too.
> >
> > Ok, so it's not a regression.
> >
> > Is the problem in the suspend path or in the resume ?
>
> During resume, on both 2.6.26 and 2.6.27-rc6. (27-rc6 actually resumes
> if I keep hitting shift, and I get "sleepy" system after that --
> cursor does not blink, but machine can be used -- as long as I keep
> hitting keys).

Hmm. Can you please provide the output of /proc/timer_list when the
system is in that "sleepy" state.

Thanks,

tglx
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