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Date:      	08 Jan 1996 14:12:58 +0100
From:      kowa@sunbayer45.informatik.tu-muenchen.de (Wolfgang Kowarschick)
To:        freebsd-scsi@freefall.FreeBSD.org
Subject:   Re: scsi problems (Repost)
Message-ID:  <c5eg2dqn82t.fsf_-_@sunbayer45.informatik.tu-muenchen.de>
In-Reply-To: kowa@sunbayer45.informatik.tu-muenchen.de's message of 8 Jan 1996 11:59:39 %2B0100
References:  <c5ezqbzqagl.fsf@sunbayer45.informatik.tu-muenchen.de>

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OOPS, there is missing a part of my message. 
Sorry!

Here is my qusetion again (hope, now it's ok):

Hi,

I've some problems with my scsi bus. At unpredictable times,
but usually if there is havy scsi transfer (e.g., dump
disc to dat), I get input/output-errors on the scsi bus.
In this case, all I can do is to press the reset button.

I'm running FreeBSD 2.1.0 on an Asus P55TP4XE Board with
an Asus PCI-SC200 controller (NCR 53c810). I've three internal
devices (Quantum Atlas 2GB, NEC CD-Rom 512, SQ 555 (44MB))
and one external device (HP Dat Streamer).
The termination of the scsi-bus seems to be correct
(I'm not quite sure with the disk as I've no description
of the jumper settings, but I think it's ok).

kernel output (copied by hand, so there may be some typos):

/kernel: st0(ncr0:3:0): NOT READY asc:4,1
  logical unit is in process of becomming ready
  phase change 2-7 10@004fc558 resid=9
ncr0:0: ERROR(81:0) (f-aa-0) (8/13) @ (eq8:48000000)
  script cond = c0000008
  reg: da 10 00 13 47 08 00 1f 78 0f 80 aa 80 00 02 00
ncr0: target 0 doesn't release the bus
ncr: handshake timeout
sd0(ncr0:0:0): COMMAND failed (6ff) @f09fdcc
  etc.
sd0(ncr0:0:0): RECOVERED ERROR info?:1c1018a, retries 3
sd0(ncr0:0:0): FAST SCSI-2 100 ns (10 Mb/sec) offset 8
st0(ncr0:3:0): 200ns (5Mb/sec) offset 8
st0(ncr0:3:0): UNIT ATTENTION asc:29,0
st0(ncr0:3:0): power on, reset, or bus device reset occurred
st0: oops not queued
vnode_papger_input: I/O read error
vm_fault: pager input (problably hardware) error, PID 310 failes


Note that the vm_fault error does also occur sometimes when the dat-streamer
is switched off.

I'm grateful for every hint. Many thanks in advance!!


Wolfgang




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