Date: Mon, 9 Jun 2003 11:10:03 -0700 (PDT) From: Nate Lawson <nate@root.org> To: "Justin T. Gibbs" <gibbs@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/aic7xxx aic79xx.c aic7xxx.c Message-ID: <20030609110903.K36886@root.org> In-Reply-To: <20030606235126.A75DD37B4C4@hub.freebsd.org> References: <20030606235126.A75DD37B4C4@hub.freebsd.org>
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On Fri, 6 Jun 2003, Justin T. Gibbs wrote: > Modified files: > sys/dev/aic7xxx aic79xx.c aic7xxx.c > Log: > Work around SCSI spec violation by the Quantum Atlas 10K. > This drive delays going async after receiving a WDTR > message. We now send an SDTR message after a WDTR even > if our goal is to go async. This should work even for > confused devices. > > If we get an unexpected busfree when attempting a WDTR > or SDTR, only set the goal negotiation parameters we were > trying to negotiate to off. This means that should a WDTR > message fail, we will still try an SDTR if our goal is > non-async. I have one of these drives on a 2940U2W. What would be the symptoms of this bug? It appears this problem is only for 79xx series cards? -Nate
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