Re: O2 hangs on reboot and powerdown

[Michael Lorenz <macallan%netbsd.org@localhost>]

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Hello,

On Jan 5, 2008, at 09:19, dsieger%techfak.uni-bielefeld.de@localhost wrote:

> On Sat, Jan 05, 2008 at 03:01:55PM +0900, Izumi Tsutsui wrote:
> > macallan%NetBSD.org@localhost wrote:
> >
> > > first I thought something's wrong with the hardware-based reboot and
> > > powerdown code for the O2 which I added a couple months ago but
> > > sprinkling a few printf()s showed that this code is never called on
> > > recent -current - it hangs somewhere after unmounting filesystems.
> > > Before I dig deeper - is it just me or has anyone else seen this? If
> > > so - any ideas what's wrong?
> >
> > I guess you may see further messages after more minutes.
> > If so the problem is caused by pmf merge and there might
> > be something wrong in scsipi or ahc(4) detach.
>
> I've experiencing the same problem here. After waiting a little bit I
> get the following messages:
>
> # syncing disks... done
> unmounting file systems... done
> ahc0: board is not responding
> cmd fail

Another data point - I have an ahc in a G4 mac and don't get this  
kind of problem there.

have fun
Michael
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