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Date:      Wed, 3 Feb 1999 21:16:07 -0700 (MST)
From:      "Justin T. Gibbs" <gibbs@narnia.plutotech.com>
To:        "Matthew N. Dodd" <winter@jurai.net>
Cc:        scsi@FreeBSD.ORG
Subject:   Re: panic: ahb0: Can't happen...
Message-ID:  <199902040416.VAA02215@narnia.plutotech.com>
In-Reply-To: <Pine.BSF.4.02.9901101546260.8926-100000@sasami.jurai.net>

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In article <Pine.BSF.4.02.9901101546260.8926-100000@sasami.jurai.net> you wrote:
> I've got a Compaq Prosigina which is a 486dx2/66 EISA box.  I've got a
> Storage Dimensions labeled Buslogic 747S and an Adaptec 1740A in it.
> 
> When the machine is booted with a 3.0 snapshot boot disk I get the
> following panic message after the "Waiting 15 seconds for SCSI devices to
> settle." message.
> 
> ahb0: SCSI Bus Reset Delivered
> panic: ahb0: Can't happen host status 18 occurred
> 
> syncing disks... done
> ...
> 
> ahbreg.h:171:   HS_INVALID_ECB_PARAM    = 0x18,
> 
> Any ideas?

Not off the top of my head.  What revision of the firmware are you
using on the board?  Perhaps some revisions don't handle ordered tags?
Can you add some code to dump out the contents of the ECB for which the
error occurred?

--
Justin

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