Re: [PATCH -mm] Freezer: migration_thread should not be freezable (was: Re: Re: 2.6.22-rc3-mm1)

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On 31/05/07, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
On Thursday, 31 May 2007 21:58, Rafael J. Wysocki wrote:
> On Thursday, 31 May 2007 17:29, Michal Piotrowski wrote:
> > Hi,
> >
> > Andrew Morton napisał(a):
> > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc3/2.6.22-rc3-mm1/
> > >
> >
> > FYI suspend to disk doesn't work anymore on my box, system hangs after "Suspending console(s)" message.
> >
> > [  186.297753] Shrinking memory...  -\|/-\|done (113064 pages freed)
> > [  187.841914] Freed 452256 kbytes in 1.54 seconds (293.67 MB/s)
> > [  187.847730] Suspending console(s)
> >
> > http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.22-rc3-mm1/console.log
> > http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.22-rc3-mm1/mm-config
>
> Hmm, that might be a couple of things, actually.
>
> To see if the patches directly related to hibernation/suspend cause this, can
> you please test 2.6.22-rc3 with the patch series at
>
> http://www.sisk.pl/kernel/hibernation_and_suspend/2.6.22-rc3/patches/
>
> applied?

Ahem, I broke it. :-(

Andrew, the following fix is needed on top of
freezer-make-kernel-threads-nonfreezable-by-default.patch

---
From: Rafael J. Wysocki <rjw@xxxxxxx>

migration_thread should not be freezable, or it will break hibernation and
suspend on SMP.


Problem fixed, suspend to disk works fine. Huge thanks!

Regards,
Michal

--
"Najbardziej brakowało mi twojego milczenia."
-- Andrzej Sapkowski "Coś więcej"

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