*BSD News Article 81822


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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Help! "No hard drive" on install??!!??
Date: 27 Oct 1996 14:28:53 GMT
Organization: Private BSD site, Dresden
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"Ernest Hymel" <ehymel@utmb.edu> wrote:

> sd1(ncr0:3:0):ABORTED COMMAND asc:4e,0 Overlapped commands attempted,
> retries 4
> sd1(ncr0:3:0):ABORTED COMMAND asc:4e,0 Overlapped commands attempted,
> retries 3
>  ... etc.  for retries 2, 1, Failure ...
> sd1:error reading primary partition table reading fsbn0 (sd1 bn0; cn0 tn0
> sn0)
> 
> The disk is an HP SureStore C3725S, 2 GB. Please explain what's going on!!

The HP disk doesn't grok tagged command queuing.  This is a known
incompatibility, not only for FreeBSD.

The ncr driver now has an option to disable tagged commands for a
kernel compiled with FAILSAFE (all installation kernels are), but
somehow, this option (accidentally) didn't make it into the 2.1.5
boot disk.

Well, this looks like a chicken-and-egg problem now.  You could use
one of the 2.2-SNAP versions if you can live with their potential
problems.  You could install onto another disk (e.g. borrowed from
elsewhere), compile a new kernel there with tagged command queuing
disabled, and copy the entire contents to the HP drive.

If all else fails, i'm willing to create a 2.1.5 bootfloppy with the
change.  However, take this as a last option, bootstrapping a 2.1.X
system from 2.2-current is a little hard to do, it requires several
hours of hand-fiddling on my side.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)