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From: se@zpr.uni-koeln.de (Stefan Esser)
Date: Mon, 8 Jan 1996 16:38:07 +0100
In-Reply-To: kowa@sunbayer45.informatik.tu-muenchen.de (Wolfgang Kowarschick)
       "scsi problems" (Jan  8, 10:53)
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To: kowa@sunbayer45.informatik.tu-muenchen.de (Wolfgang Kowarschick)
Subject: Re: scsi problems
Cc: freebsd-scsi@freefall.freebsd.org
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On Jan 8, 10:53, Wolfgang Kowarschick wrote:
} Subject: scsi problems
} 
} 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

I'll look into this in detail later ...
Just wanted to acknowledge reception of your bug report.

Regards, STefan