Re: [PATCH] Fix failure to resume from initrds.

From: Nigel Cunningham
Date: Tue Sep 11 2007 - 07:28:17 EST


Hi.

On Tuesday 11 September 2007 21:04:22 Rafael J. Wysocki wrote:
> On Tuesday, 11 September 2007 05:54, Nigel Cunningham wrote:
> > Hi all.
> >
> > Commit 831441862956fffa17b9801db37e6ea1650b0f69 (Freezer: make kernel
threads
> > nonfreezable by default) breaks freezing when attempting to resume from an
> > initrd, because the init (which is freezeable) spins while waiting for
another
> > thread to run /linuxrc, but doesn't check whether it has been told to
enter
> > the refrigerator.
>
> Hm.
>
> I use a resume from an initrd on a regular basis and it works without the
patch
> below.
>
> I think we need to investigate what happens in your test case a bit.

Ah. That makes me realise that I see that too - my AMD64 uniprocessor laptop
didn't need the patch (guess that's why I didn't notice the need and ack'd
the patch). But my x86 SMP machine... it needs this. I'll see if they're
running on different processors.

Regards,

Nigel
--
Nigel Cunningham
Christian Reformed Church of Cobden
103 Curdie Street, Cobden 3266, Victoria, Australia
Ph. +61 3 5595 1185 / +61 417 100 574
Communal Worship: 11 am Sunday.
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