Re: Suspend to ram regression (2.6.24-rc1-git)

[Jeff Garzik <jeff@garzik.org>]

Jens Axboe wrote:
> On Fri, Nov 02 2007, Kristen Carlson Accardi wrote:
> > On Thu, 1 Nov 2007 09:41:46 +0100
> > Jens Axboe <jens.axboe@oracle.com> wrote:
> >
> > > On Wed, Oct 31 2007, Jens Axboe wrote:
> > > > Hi,
> > > >
> > > > My x60 stopped suspending about two days ago. It just freezes after
> > > > printing
> > > >
> > > > Suspending console(s)
> > > >
> > > > where it would normally turn everything off and the 'moon' light would
> > > > go on. Posting this message in case somebody else knows what is up, if
> > > > not I'll do a bisect on it tomorrow.
> > > Did the bisect, it points to this commit:
> > >
> > > 1556594f913fa81d008cecfe46d7211c919a853 is first bad commit
> > > commit 31556594f913fa81d008cecfe46d7211c919a853
> > > Author: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
> > > Date:   Thu Oct 25 01:33:26 2007 -0400
> > >
> > >     [libata] AHCI: add hw link power management support
> > >
> > > Booting any kernel after this commit fails suspending to ram, it just
> > > sits there forever.
> > >
> > > --
> > > Jens Axboe
> > Does this patch fix your problem?  It seems to get hung up while disabling
> > DIPM, and after thinking about this a bit, I don't think we really need
> > to do this anyway.
>
> Yep, works for me! Can we get this expedited upstream?

If everybody's happy with it, I've got it ready for upstream in 
libata-dev.git#dlpm-fix

	Jeff



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