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Date:      Mon, 9 Apr 2001 10:23:49 -0400
From:      "Ken Menzel" <kenm@icarz.com>
To:        <freebsd-scsi@FreeBSD.ORG>
Subject:   'ch' Errors using chio w-sony changer
Message-ID:  <00c201c0c100$b25bdf20$711663cf@icarz.com>

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Hi All,
  I have looked at the man pages and manual and archives and source
for chio.  My 'guess' is that there is soemthing in the return of the
status of the drive that the 'ch' driver doesn't like.  The error is a
follows:

janeway# chio return drive 0
chio: /dev/ch0: CHIOGSTATUS: Invalid argument

And /var/log/messages gets:

Apr  9 10:17:54 janeway /kernel: (ch0:ahc0:0:6:1): READ ELEMENT
STATUS. CDB: b8
30 0 1 0 1 0 0 4 0 0 0
Apr  9 10:17:54 janeway /kernel: (ch0:ahc0:0:6:1): ILLEGAL REQUEST
asc:24,0
Apr  9 10:17:54 janeway /kernel: (ch0:ahc0:0:6:1): Invalid field in
CDB sks:cc,1

However:
janeway# chio status
picker 0:
slot 0: <ACCESS>
slot 1: <ACCESS,FULL>
slot 2: <ACCESS,FULL>
slot 3: <ACCESS,FULL>
slot 4: <ACCESS,FULL>
slot 5: <ACCESS,FULL>
slot 6: <ACCESS,FULL>
slot 7: <ACCESS,FULL>
drive 0: <ACCESS,FULL>

dmesg reports:
ch0 at ahc0 bus 0 target 6 lun 1
ch0: <SONY TSL-11000 L0u6> Removable Changer SCSI-2 device
ch0: 40.000MB/s transfers (20.000MHz, offset 15, 16bit)
ch0: 8 slots, 1 drive, 1 picker, 0 portals

 chio params
/dev/ch0: 8 slots, 1 drive, 1 picker
/dev/ch0: current picker: 0
janeway#

The only thing I can't seem to do is move a tape!  Can anyone point me
in the right direction?  The kernel is compiled with CAMDEBUG if that
helps.

Thanks in advance,
Ken
-----------------------------------------------------
Ken Menzel  ICQ# 9325188
www.icarz.com  kenm@icarz.com


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