Date: Mon, 23 Jun 1997 11:13:01 +0200 (MET DST) From: oliver.fromme@heim3.tu-clausthal.de (Oliver Fromme) To: freebsd-scsi@freebsd.org Subject: Re: SCSI Problems Message-ID: <199706230913.LAA16661@elch.heim4.tu-clausthal.de> In-Reply-To: <199706230735.JAA15488@oskar.nanoteq.co.za> from "Reinier Bezuidenhout" at Jun 23, 97 09:35:14 am
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Hi, > > I'm currently running FreeBSD 2.2.1-RELEASE on a P166 with 128MB RAM, an > > Adaptec 2940 UW controller, 2 Quantam Atlases, 1 Quantam Grand Prix and an > > IDE Quantum Sirocco. > > I'm running the latest SCSI code I could find (I think) on a P166 128MB RAM > and an adaptek 2940 controller and have experienced the same error messages. > Same thing with the "time out while idle" etc. > > I only don't have Quantum disks, but two IBM DORS and an HP DAT (4Gig). In > this case it is the HP DAT dat seems to be the culprit everytime, > > BUT !!, when attaching the DAT to a 2.2 (not even the latest SCSI code) > macine (120 MHz pentium 16MB RAM) the error does not occur ???? !!!!! > Can this be a timing problem with faster machines, like a P166 ?? > [...] > Mine doesn't always get out of the timeout :( :( Mine neither. I'd just like to mention that exactly the same happens to me -- I also have a P166, 128 Mb RAM, and a HP DAT streamer (connected to an Adaptec 2940) which is causing problems: a bunch of kernel messages regarding the SCSI bus, followed by a complete lockup (no sync, no panic -- have to press the red button). If it is of any help for someone, I can quote the exact messages/logs if necessary. By the way, this is a 2.2.1 with updated kernel (which was said to fix the adaptec problems of the 2.2.1 kernel). My SCSI bus is correctly terminated and not too long, the cables are ok. I have no problems accessing the DAT streamer under NT (yes, I still have to use WinNT sometimes ... I wish FreeBSD would support my scanner). Sometimes my CD-ROM (a NEC CDR-512) causes problems, too, but the HP DAT is much worse, it's almost unusable under FreeBSD. I'll try to plug the HP DAT into a slower box, maybe it's really the timing. Regards Oliver Fromme -- Oliver Fromme, Leibnizstr. 18-61, 38678 Clausthal, Germany (Info: finger userinfo:olli@dorifer.heim3.tu-clausthal.de)
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