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Date:      Wed, 8 Dec 1999 20:41:41 -0700 (MST)
From:      "Kenneth D. Merry" <ken@kdm.org>
To:        scrappy@hub.org (The Hermit Hacker)
Cc:        freebsd-scsi@FreeBSD.ORG, mackley@tht.net, freebsd-stable@FreeBSD.ORG
Subject:   Re: SCSI problem ... OS or just bus?
Message-ID:  <199912090341.UAA36152@panzer.kdm.org>
In-Reply-To: <Pine.BSF.4.21.9912082301270.500-100000@thelab.hub.org> from The Hermit Hacker at "Dec 8, 1999 11:28:51 pm"

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The Hermit Hacker wrote...
> 
> I recently did two upgrades in the course of a few days...upgraded my
> 3.3-STABLE to a more recent version, and added hard drives onto the
> system...now I'm getting SCSI problems that make no sense :(
> 
> The machine just hung once more, which its doing every few hours...I can
> get down to the debugger, but a 'trace' doesn't appear to show anyting, so
> I panic...
> 
> ==========
> (da4:ahc0:0:8:0): Other SCB Timeout
> (da4:ahc0:0:8:0): SCB 0xeb - timed out in dataout phase, SEQADDR == 0x10f
> (da4:ahc0:0:8:0): Other SCB Timeout
> (da2:ahc0:0:5:0): SCB 0x24 - timed out in dataout phase, SEQADDR == 0x10f
> (da2:ahc0:0:5:0): BDR message in message buffer
> (da2:ahc0:0:5:0): SCB 0x92 - timed out in dataout phase, SEQADDR == 0x10f
> (da2:ahc0:0:5:0): no longer in timeout, status = 34b
> ahc0: Issued Channel A Bus Reset. 98 SCBs aborted

[ ... ]

> The QUANTUMs above have been in the machine for >1yr now and have worked,
> from what I can tell, without a hitch...its only since we added da4+ that
> we've seeing the problems...interaction problem between drive
> manufacturers?  I seem to recall this sort of thing being a problem on
> older drives, but..

You have a cabling or termination problem.

Ken
-- 
Kenneth Merry
ken@kdm.org


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