linux-kernel - Re: 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch)

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Message-Id: <200801182255.52102.rjw@sisk.pl>
Date:	Fri, 18 Jan 2008 22:55:51 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Dave Jones <davej@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch)

On Friday, 18 of January 2008, Rafael J. Wysocki wrote:
> On Friday, 18 of January 2008, Dave Jones wrote:
> > On Fri, Jan 18, 2008 at 02:34:59PM +0100, Rafael J. Wysocki wrote:
> >  > On Thursday, 17 of January 2008, Andrew Morton wrote:
> >  > > 
> >  > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc8/2.6.24-rc8-mm1/
> >  > > 
> >  > > - selinux is busted on one of my two selinux-enabled test machines.
> >  > > 
> >  > > - suspend-to-ram and suspend-to-disk are totally hosed on one of my test
> >  > >   machines.  I guess I get to bisect this.
> >  > 
> >  > Suspend and hibernation are also broken on my HP nx6325, which is caused by
> >  > git-cpufreq.patch.  Reverting this patch and
> >  > drivers-cpufreq-add-calls-to-cpufreq_cpu_put.patch makes things work again.
> >  > 
> >  > I reported this already for 2.6.24-rc6-mm1 and Dave said he would look at it
> >  > in January.  It's still January, so hopefully he's still going to do that. ;-)
> > 
> > Given that laptop has a K8 CPU, it's highly likely that it's this patch..
> > http://userweb.kernel.org/~davej/pn.diff
> > Can you revert just that on top of -mm, (or just try this standalone on top of -rc8)
> > and confirm this is problematic ?
> 
> Reverting it from the -mm makes things work.  I'll check if it breaks things
> when applied on top of -rc8.

Yes, it does (ie. pn.diff alone on top of -rc8 breaks suspend 100% of the
time).
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