Re: suspend/hibernate to work on thinkpad x60s?

Brandon Philips
2006-07-17T15:49:16Z

On 11:14 Mon 17 Jul 2006, Rafael J. Wysocki wrote:
> On Monday 17 July 2006 00:51, Brandon Philips wrote:
> > On 17:28 Sun 16 Jul 2006, Brandon Philips wrote:
> > > On 08:31 Thu 13 Jul 2006, Jeremy Fitzhardinge wrote:
> > > > George Nychis wrote:
> > > > >I am not seeing any problems at all, though I am not seeing anything
> > > > >happen :)
> > > > >
> > > > >If I Fn+suspend... nothing happens ... if i Fn+hibernate ... nothing
> > > > >happens
> > > > >
> > > > >What patches did you use?
> > > > Sounds like your first step is to set up acpi. What distro are you
> > > > using? What happens if you do "echo -n mem > /sys/power/state"?
> > > >
> > > > The patches you need are to make the ahci disk interface resume
> > > > properly. There's a series of 6 patches from Forrest Zhao which he
> > > > posted to the linux-ide list, and they apply cleanly to 2.6.18-rc1-mm1.
> > >
> > > I have tried Zhao's patches[1] against 2.6.18-rc1-mm{1,2} and 2.6.18-rc1
> > > and the suspend always stops at:
> > >
> > > "Switching to UP mode"
> > >
> > > At that point it hangs; giving a Ctrl+Alt+Del reboots the machine
> > > cleanly.
> > >
> > > I want to see AHCI suspend working. So, I am happy to try other patches
> > > or debugging steps.
> >
> > I just tried booting 2.6.18-rc1-mm1 again and got the following
> > stacktrace which suggests a problem with the ondemand governor.
> >
> > After switching to the performance govenor I was able to suspend on
> > 2.6.18-rc1 and 2.6.18-rc1-mm1.
> >
> > Brandon
> Could you please create a bugzilla entry for the ondemand governor problem
> and put this trace in there?

Bug URL: http://bugzilla.kernel.org/show_bug.cgi?id=6851

Thanks,

Brandon