Re: CFS and suspend2: hang in atomic copy

From: Christian Hesse
Date: Wed Apr 18 2007 - 18:22:41 EST


On Thursday 19 April 2007, Ingo Molnar wrote:
> * Christian Hesse <mail@xxxxxxxxxxxx> wrote:
> > > although probably your suspend2 problem is still not fixed, it's
> > > worth a try nevertheless. Which suspend2 patch did you apply, and
> > > was it against -rc6 or -rc7?
> >
> > You are right again. ;-)
> >
> > Linux 2.6.21-rc7
> > Suspend2 2.2.9.11 (applies cleanly to -rc7)
> > CFS v3 (without any additional patches)
> >
> > And it still hangs on suspend.
>
> what's the easiest way for me to try suspend2? Apply the patch, reboot
> into the kernel, then execute what command to suspend? (there's a
> confusing mismash of initiators of all the suspend variants. Can i drive
> this by echoing to /sys/power/state?)

Perhaps you have to install suspend2-userui as well for the output (I'm not
shure whether it works without). Then you can trigger the suspend by echoing
to /sys/power/suspend2/do_suspend.
Useful informations can be found in the Howto:

http://www.suspend2.net/HOWTO

I dropped some ccs to not abuse Linus and friends.
--
Regards,
Chris

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