Very Computer

by **cljl** » Fri, 05 Sep 2003 09:33:25

I can boot up the system, but on the console window keep showing the
following error:
vmunix: sd1: SCSI transport failed: reason 'unexpecteded_bus_free': giving
up

Would anyone please shed a light.

by **cljl** » Fri, 05 Sep 2003 19:21:22

I am running SunOS 4.1.4 Sparc 20 and this is internal disk. sd1 and sd0.
Thanks.

> > I can boot up the system, but on the console window keep showing the
> > following error:
> > vmunix: sd1: SCSI transport failed: reason 'unexpecteded_bus_free':
giving
> > up

> > Would anyone please shed a light.

> You didn't post the System or OS you're running, but this is a SUN group
> so I'll go with that.

> Is this an internal disk? What about opening up the box and reseating
> the cables?

> Can you see the disks at the OBP? What happens with scsi-probe-all?

> Have you tried checking for external SCSI cable length?

> If all this doesn't do much, how good are your backups? It might be
> time to get them out along with the Solaris install CD and replace that
> disk...

> --
> DeeDee, don't press that button! DeeDee! NO! Dee...

by **Michael Tos** » Fri, 05 Sep 2003 21:12:46

> I am running SunOS 4.1.4 Sparc 20 and this is internal disk. sd1 and sd0.
> Thanks.

> > > I can boot up the system, but on the console window keep showing the
> > > following error:
> > > vmunix: sd1: SCSI transport failed: reason 'unexpecteded_bus_free':
> giving
> > > up

> > > Would anyone please shed a light.

> > You didn't post the System or OS you're running, but this is a SUN group
> > so I'll go with that.

> > Is this an internal disk? What about opening up the box and reseating
> > the cables?

> > Can you see the disks at the OBP? What happens with scsi-probe-all?

> > Have you tried checking for external SCSI cable length?

> > If all this doesn't do much, how good are your backups? It might be
> > time to get them out along with the Solaris install CD and replace that
> > disk...

> > --
> > DeeDee, don't press that button! DeeDee! NO! Dee...

Probably the sd1 (2nd internal disk) is broken.
Another possibility is that sd1 must be forced to single-ended by means
of a jumper on the disk.

--
Michael Tosch / Master IS/IT Support
Ericsson Eurolab Deutschland GmbH
Tel: +49 2407 575 313