linux-kernel - Re: 2.6.24-rc6-mm1: suspend broken on HP nx6325 due to cpufreq changes

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Message-Id: <20071223145003.5c36a40a.akpm@linux-foundation.org>
Date:	Sun, 23 Dec 2007 14:50:03 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-kernel@...r.kernel.org, Dave Jones <davej@...emonkey.org.uk>,
	Jaroslav Kysela <perex@...e.cz>, Takashi Iwai <tiwai@...e.de>
Subject: Re: 2.6.24-rc6-mm1: suspend broken on HP nx6325 due to cpufreq
 changes

On Sun, 23 Dec 2007 23:54:40 +0100 "Rafael J. Wysocki" <rjw@...k.pl> wrote:

> On Sunday, 23 of December 2007, Andrew Morton wrote:
> > 
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc6/2.6.24-rc6-mm1/
> > 
> > - This kernel doesn't work on i386!
> > 
> >   It oopses late in boot due to an unrevertable change (e3c1b141) in git-x86
> >   which I stared at for a while then I ran out of time and gave up.
> > 
> >   I would have just abandoned this release until it was fixed but I'll be
> >   largely offline for ten days starting tomorrow.
> > 
> >   The culprits have been notified and hopefully we'll have a patch for
> >   hot-fixes/ tomorrow.
> > 
> >   x86_64 and powerpc work OK though.
> > 
> > - git-block is dropped due to more conflicts that I'm prepared to repair
> >   with git-scsi-misc
> > 
> > - git-perfmon is dropped due to conflicts with git-x86
> > 
> > - git-kgdb is dropped due to conflicts with git-x86
> > 
> > - git-newsetup is dropped due to conflicts with git-x86
> > 
> > - Andi's x86 quilt tree is dropped due to conflicts with git-x86
> > 
> > - Someone broke suspend-to-RAM on the t61p again.  It just instantly resumes
> >   itself.
> 
> Suspend is also broken on my HP nx6325 (hangs hard in the last phase of
> suspend) and git-cpufreq.patch is responsible for that (as shown by bisection).
> 
> Reverting git-cpufreq.patch makes suspend work again,

ah.  Thanks.

> although it still is a
> bit flaky (it takes well more than 5 seconds to suspend and the sound adapter
> doesn't work right after the resume, but it starts to work again about 10s
> later).

hm.  There have been some suspend changes in the alsa tree.

And yes, I noticed that susped has become slower too - looks like abot ten
seconds, which is a pretty significant usability irritant.

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