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From: Mikhail Teterin <mi@aldan.algebra.com>
Message-Id: <199807151510.LAA00382@rtfm.ziplink.net>
Subject: Re: CAM on a -current branch
In-Reply-To: <19980715073539.A11287@klemm.gtn.com> from "Andreas Klemm" at "Jul 15, 98 07:35:39 am"
To: current@FreeBSD.ORG
Date: Wed, 15 Jul 1998 11:10:36 -0400 (EDT)
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Andreas Klemm once stated:

=(sa0:ahc0:0:4:0): SCB 0x4 - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0x0
=SEQADDR == 0xa
=SSTAT1 == 0xa
=(sa0:ahc0:0:4:0): Queuing a BDR SCB
=(sa0:ahc0:0:4:0): Bus Device Reset Message Sent
=(sa0:ahc0:0:4:0): no longer in timeout, status = 34b
=ahc0: Bus Device Reset Sent. 1 SCBs aborted
=(sa0:ahc0:0:4:0): REWIND. CDB: 1 1 0 0 0 0 
=(sa0:ahc0:0:4:0): UNIT ATTENTION asc:29,0
=(sa0:ahc0:0:4:0): Power on, reset, or bus device reset occurred

Yes, this is what I was seeing. Except, my disks never recover from
this and required reboot. May be, CAM handles them better and
manages to avoid rebooting.

My tests for the CCD partition was to simply extract huge
tarballs on it -- no buildwolrds...

My benchmark is to "cd /usr/ports; make clean" -- try it :)

	-mi

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