Re: 2.6.29-rc1: thinkpad problems during resume

Rafael J. Wysocki
2009-01-17T00:14:16Z

On Saturday 17 January 2009, Mike Travis wrote:
> Rafael J. Wysocki wrote:
> > On Friday 16 January 2009, Pavel Machek wrote:
> >> On Tue 2009-01-13 23:21:17, Jeff Chua wrote:
> >>> On Tue, Jan 13, 2009 at 10:36 PM, Pavel Machek <pavel@suse.cz> wrote:
> >>>> resumes fine with CONFIG_SMP unset.
> >>> On my X60s, I had problem with s2ram, and I switch to the following ...
> >>>
> >>> echo mem > /sys/power/state
> >>>
> >>> Try and see if it works for you.
> >> I tried that; unlike s2ram, this actually produces some oopses that
> >> can be viewed. Unfortunately, they scroll a bit too fast.
> >>
> >> cpu hotplug vs. cpufreq seems to be responsible in my case, looking at
> >> the logs from "echo 1 > online".
> >
> > There are three patches from Mike Travis that can help:
> > http://lkml.org/lkml/2009/1/16/377
> >
> > Thanks,
> > Rafael
>
> Note that these don't really fix anything, just replaces the current
> method of using set_cpus_allowed with the work_on_cpu call. If
> the laptop worked before the [bad] patch, then it should work again
> now with this one.

Thanks for the clarification, I misread the changelogs.

OK, so we still have a cpufreq vs CPU hotplug problem, it seems. I can't
reproduce it myself, though.

Thanks,
Rafael