From owner-freebsd-scsi  Wed Sep 15  1:21:42 1999
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Date: Wed, 15 Sep 1999 01:21:26 -0700 (PDT)
From: Matthew Jacob <mjacob@feral.com>
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To: Don Lewis <Don.Lewis@tsc.tdk.com>
Cc: Andrew Gallatin <gallatin@cs.duke.edu>,
	"Justin T. Gibbs" <gibbs@caspian.plutotech.com>, scsi@FreeBSD.ORG,
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Subject: Re: data corruption when using aic7890
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> I wonder if it might be botching PCI MWI transactions.  Is there a way
> to get this beast to just use plain PCI Memory Write transactions (with
> the obvious performance penalty)?

Umm- can't you clear the INVAL bit in the PCI command register? See
ahc_pci_attach where it enables BUS mastering..





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