From owner-freebsd-scsi  Sun Oct 18 13:38:59 1998
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From: "Jonathan M. Bresler" <jmb>
Message-Id: <199810182038.NAA05872@hub.freebsd.org>
Subject: tape drive problem
To: scsi
Date: Sun, 18 Oct 1998 13:38:57 -0700 (PDT)
Cc: gibbs (Justin T. Gibbs)
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	finally converted to CAM last night....my tape drive no longer
	works.  its an old Archive Anaconda 1.35GB QIC drive.

	scsi probe messages are:
[snip]
Waiting 8 seconds for SCSI devices to settle
ncr0: restart (scsi reset).
ncr1: restart (scsi reset).
(probe11:ncr1:0:4:0): . CDB: 12 1 80 0 ff 0 
(probe11:ncr1:0:4:0): ILLEGAL REQUEST asc:24,0
(probe11:ncr1:0:4:0):  sks:c8,1
ncr1:4: ERROR (0:4) (8-0-0) (8/33) @ (script 1c4:900b0000).
ncr1: script cmd = 910a0000
ncr1: regdump: da 00 80 33 47 08 04 1f 01 08 06 00 80 00 02 02.
ncr1: have to clear fifos.
ncr1:4: ERROR (0:1) (8-0-0) (8/33) @ (script 3f0:900b0000).
ncr1: script cmd = 72100000
ncr1: regdump: da 00 80 33 47 08 04 1f 01 08 06 00 80 00 02 02.
ncr1: have to clear fifos.
ncr1: restart (fatal error).
(probe2:ncr1:0:6:3): COMMAND FAILED (9 ff) @0xf08ed200.
(probe11:ncr1:0:4:0): COMMAND FAILED (9 ff) @0xf08f6800.
[snip]
ncr1:4: ERROR (0:1) (8-0-0) (8/33) @ (script 3f0:900b0000).
ncr1: script cmd = 72100000
ncr1: regdump: da 00 80 33 47 08 04 1f 01 08 06 00 80 00 02 02.
ncr1: have to clear fifos.
ncr1: restart (fatal error).
(probe0:ncr1:0:4:7): COMMAND FAILED (9 ff) @0xf08f8a00.
sa0 at ncr1 bus 0 target 4 lun 0
sa0: <ARCHIVE ANCDA 2750 28077 -003> Removable Sequential Access SCSI2 device 
sa0: 3.300MB/s transfers
[snip]

	trying to get drive status shows:
Aspen:[49] mt status
mt: /dev/nrsa0: Input/output error
Aspen:[50] mt -f /dev/nrsa0 status
mt: /dev/nrsa0: Input/output error
Aspen:[51] 

	this drive required special treatment by Stefan Esser 
	to get it working with the scsi/st.c code.
	
	any ideas?

jmb
-- 
Jonathan M. Bresler      FreeBSD Core Team, Postmaster       jmb@FreeBSD.ORG
FreeBSD--The Power to Serve                          http://www.freebsd.org/
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