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From: michael butler <imb@scgt.oz.au>
Message-Id: <199604221557.BAA23774@asstdc.scgt.oz.au>
Subject: what's this ? SCSI bus hung ?
To: stable@freebsd.org
Date: Tue, 23 Apr 1996 01:57:25 +1000 (EST)
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Just curious as to what causes (and can be done to fix) this ..

sd1(ahc0:1:0): timed out in datain phase, SCSISIGI == 0x44
sd2(ahc0:3:0): asserted ATN - device reset in message buffer
sd2(ahc0:3:0): timed out in datain phase, SCSISIGI == 0x54
ahc0: Issued Channel A Bus Reset #1. 4 SCBs aborted
sd2(ahc0:3:0): UNIT ATTENTION asc:29,2 
, retries:3
sd1(ahc0:1:0): UNIT ATTENTION asc:29,0
sd1(ahc0:1:0):  Power on, reset, or bus device reset occurred
, retries:3

tagged queueing enabled with "full queue supported".

It doesn't /seem/ to do anything really nasty, just stops for a few seconds
and then continues on it's way. Any suggestions ?

	michael