Date: Wed, 13 Oct 1999 14:48:46 -0600 From: Warner Losh <imp@village.org> To: FreeBSD Bob <fbsdbob@weedcon1.cropsci.ncsu.edu> Cc: darrylo@sr.hp.com (Darryl Okahata), freebsd-current@FreeBSD.ORG Subject: Re: Why Adaptec 1540 bombing? Message-ID: <199910132048.OAA45710@harmony.village.org> In-Reply-To: Your message of "Wed, 13 Oct 1999 14:45:33 EDT." <199910131845.OAA68071@weedcon1.cropsci.ncsu.edu> References: <199910131845.OAA68071@weedcon1.cropsci.ncsu.edu>
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In message <199910131845.OAA68071@weedcon1.cropsci.ncsu.edu> FreeBSD Bob writes: : The DPT did not run at all. I do not have access to the DPT controllers, nor to a EISA system for testing. : The 1540A did not run the 3.3 or 3.2, : but came up fine on 2.2.6 or 2.2.8. That got me to thinking that : something had changed in the Adaptec driver and query what and why. Yes. CAM happened. :-) The 1540A card had some interesting problems with the setting of residuals which the 1540B and later do not have. CAM requires these transfer counts be accurate or it can get confused. I tried to cope as best I could, but without access to an actual card I couldn't verify that it worked. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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