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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: HELP! "Device not configured" message with scsi disk
Date: 12 Oct 1996 12:25:55 GMT
Organization: Private BSD site, Dresden
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"Ernest C. Hymel" <ehymel@utmb.edu> wrote:

> (ncr0:1:0): "HP C3725S 5153" type 0 fixed SCSI 2
> sd1(ncr0:1:0): Direct-Access 
> sd1(ncr0:1:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.

> ....stuff deleted...
> sd1(ncr0:1:0): ABORTED COMMAND asc:4e,0 Overlapped commands attempted
> , retries:4
> sd1(ncr0:1:0): ABORTED COMMAND asc:4e,0 Overlapped commands attempted
> , retries:3

> Can anyone tell me what's going on? I have looked all over the web (FAQ's,
> etc.)

Looking into the archive of the freebsd-scsi mailing list should have
got you the right pointer: you gotta turn off SCSI tagged command
queuing for the HP drive; tagged commands simply don't work for them.
In -current, the kernel option ``FAILSAFE'' (that is also there in the
GENERIC kernel, for just that reason) does this for you.  You can also
turn tagged command queuing off by setting SCSI_NCR_DFLT_TAGS to 0 (in
the kernel config file, or inside sys/pci/ncr.c).

-- 
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. ;-)