Re: ahd0: board is not responding

[Juergen Hannken-Illjes <hannken%eis.cs.tu-bs.de@localhost>]

On Thu, Jan 24, 2008 at 11:29:19AM +0000, Chavdar Ivanov wrote:
> On 24/01/2008, Juergen Hannken-Illjes <hannken%eis.cs.tu-bs.de@localhost> 
> wrote:
> > On Thu, Jan 24, 2008 at 11:56:22AM +0100, Kurt Schreiner wrote:
> > > Hi,
> > >
> > > what would be the "magic incantation" to get this fallout
> > > from pmf out of the way? This wouldn't be a real problem,
> > > but the machine needs to be power switched to get up again
> > > most of the time...
> > > (This is on amd64, -current from Fri Jan 18 14:11:45 CET 2008)
> 
> This is on i386 -current...
> 
> > >
> > > Kurt
> > >
> > > Jan 24 11:45:59 shutdown: reboot by ks:
> > > Jan 24 11:45:59 isunopti shutdown: reboot by ks:
> > > Jan 24 11:46:06 isunopti syslogd: Exiting on signal 15
> > > syncing disks... 1 done
> > > unmounting file systems... done
> > > ahd0: board is not responding
> 
> I can't see these messages - they scroll far too quickly...
> 
> 
> > > cmd fail
> > > ahd0: ahd_timeout
> > > ahd0:SCB 0xd - timed out
> > > >>>>>>>>>>>>>>>>>> Dump Card State Begins <<<<<<<<<<<<<<<<<
> > [snip]
> 
> but I get the same (or similar) ahc dump.
> >
> > Since vmlocking2 broke closing the root device on reboot I use this "patch":
> >
> > RCS file: /cvsroot/src/sys/dev/scsipi/sd.c,v
> > --- sd.c        25 Dec 2007 18:33:43 -0000      1.269
> > +++ sd.c        24 Jan 2008 11:01:40 -0000
> > @@ -2126,4 +2126,5 @@ sd_flush(struct sd_softc *sd, int flags)
> >                 return (0);
> >
> > +if ((flags & XS_CTL_POLL)) return EIO;
> >         sd->flags |= SDF_FLUSHING;
> >         memset(&cmd, 0, sizeof(cmd));
> > --
> 
> 
> Works for me as well; only after the unmount message I get:
> 
> sd0a: cache synchronization failed

This is expected (and true!).  You should be careful when you remove power.

> or similar ( again too quickly to see without a serial console).
> 
> So I can remotely reboot two of my -current workstations again.
> 
> > Juergen Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU 
> > Braunschweig (Germany)
> >
> 
> 
> -- 
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-- 
Juergen Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig 
(Germany)