Re: aic79xx -> can't suspend

[Pavel Machek <pavel@ucw.cz>]

> On Thu, 2005-06-23 at 15:32 -0400, Jim Crilly wrote:
> > On 06/23/05 01:51:43PM -0400, Lee Revell wrote:
> > > I have a machine with an Adaptec 2940U2W adapter running 2.6.11.
> > > When I try to go into standby like so:
> > > 
> > >     echo standby > /sys/power/state
> > > 
> > > this is what happens:
> > 
> > AFAIK no SCSI drivers have had power management functions implemented,
> > a quick grep for PM_ in drivers/scsi seems to confirm that only the
> > PCMCIA SCSI drivers even look for PM events. 
> 
> Actually it is implemented in the aic7xxx driver, see ahc_suspend and
> ahc_resume.
> 
> I tried it with 2.6.12, and I no longer have the problem with the ahc_dv
> thread as it no longer exists (AFAICT the functionality is handled by
> the SCSI midlayer now?).
> 
> Now it just immediately resumes:
> 
> [4297399.286000] PM: Preparing system for standby sleep
> [4297399.609000] Stopping tasks: ================================|
> [4297399.610000] Restarting tasks... done
> 
> How can I debug this further?

Enable debugging in drivers/base/power/*...

								Pavel

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