Date: 09 Feb 1998 16:20:53 -0600 From: Rob Browning <rlb@cs.utexas.edu> To: "Steven N. Hirsch" <shirsch@ibm.net> Cc: aic7xxx@FreeBSD.ORG Subject: Re: IBM DFHS S2W drive problem (scb related?) Message-ID: <87yazkwhbu.fsf@nevermore.csres.utexas.edu> In-Reply-To: "Steven N. Hirsch"'s message of "Mon, 9 Feb 1998 07:18:02 -0500 (EST)" References: <Pine.LNX.3.95.980209071312.3750A-100000@air.steve.net>
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"Steven N. Hirsch" <shirsch@ibm.net> writes: > My sympathies! This drove me crazy with my DFHS S4W until a user in > Germany pointed out that IBM drives are shipped with the Dque bit set in > the configuration page. So, the drive reports that it is capable of > tagged command queueing in the mode sense, but fails miserably when the > controller actually tries to use it... Thank you *very* much. I pretty sure I would have never figured this out on my own. > I suggest rebuilding the aic7xxx driver with tagged queueing disabled. > This will let the machine boot. Once you have it up and running, use a > utility like scsi-config (available on sunsite, I believe) to clear the > Dque bit and save the page to the drive. > Then, reenable tagged queueing, reboot, and enjoy. Perfect. I'll give it a try. -- Rob Browning <rlb@cs.utexas.edu> PGP fingerprint = E8 0E 0D 04 F5 21 A0 94 53 2B 97 F5 D6 4E 39 30 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe aic7xxx" in the body of the message
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