Date: Wed, 29 Sep 1999 08:09:09 +0200 (CEST) From: Wilko Bulte <wilko@yedi.iaf.nl> To: vladimir-scsi@math.uic.edu Cc: freebsd-stable@FreeBSD.ORG Subject: Re: problems with adaptec 2940 cards on 3.3-STABLE Message-ID: <199909290609.IAA03652@yedi.iaf.nl> In-Reply-To: <19990929000308.19370.qmail@math.uic.edu> from "vladimir-scsi@math.uic.edu" at "Sep 29, 1999 0: 3: 8 am"
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As vladimir-scsi@math.uic.edu wrote ... > Dear STABLE users, > below is a copy of my message to comp.unix.bsd.freebsd.misc > about the problems with adaptec 2940 UW/U2W cards. I would > appreciate if anyone would have some ideas on what might be > going wrong. I have observed this problem on 2 machines with > the same hardware, so termination and cables should not be causing > that. > > We have a Dell computer with the Phoenix bios and Adaptec 2940 UW > card. This computer worked fine until I tried to replace Adaptec > 2940UW with 2940 U2W. The card had internal scsi drive connected to > the internal UW connector, and an external U2W LVD drive connected to > the external U2W connector. Both drives were terminated. During the > boot, I noticed the following error messages: > > Sep 27 21:59:22 dottie /kernel: (da3:ahc0:0:6:0): WRITE(06). CDB: a 0 8 3f 4 0 > Sep 27 21:59:22 dottie /kernel: (da3:ahc0:0:6:0): ABORTED COMMAND asc:47,0 > Sep 27 21:59:22 dottie /kernel: (da3:ahc0:0:6:0): SCSI parity error field replaceable unit: 3 > > (scsi id 6 is the external drive). I played with various settings of the adaptec bios to no avail. > > First I thought that the card was bad. But then I tried replacing it > with 2940 UW Pro (same as 2940UW, but faster transfer rate), and got > an error on boot saying "Someone reset channel A". This message > repeats indefinitely. > > All problems go away if I leave only the internal device on the scsi chain. Sounds like your actual cable is too long or the termination is not up to snuff after all. USCSI buses should be < 1.5meter long. My 2940UW works just fine with 3.3-stable. -- | / o / / _ Arnhem, The Netherlands - Powered by FreeBSD - |/|/ / / /( (_) Bulte WWW : http://www.tcja.nl http://www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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