Date: Tue, 17 Feb 1998 07:28:34 -0700 (MST) From: Steve Grandi <grandi@noao.edu> To: Zach Heilig <zach@gaffaneys.com> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: I need a strategy for making my STABLE installation stable Message-ID: <Pine.LNX.3.96.980217072805.10525B-100000@mirfak.tuc.noao.edu> In-Reply-To: <19980217071306.47614@gaffaneys.com>
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Zach: Interesting! Something else to try.... On Tue, 17 Feb 1998, Zach Heilig wrote: > On Mon, Feb 16, 1998 at 12:41:10PM -0700, Steve Grandi wrote: > > The hardware: PentiumPro-200 (Venus MotherBoard), 128 MB of RAM, Adaptec > > 2940 Ultra-Wide SCSI controller, two Seagate ST32155W 2GB disks, a > > Micropolis 3391WS 9GB disk, Plextor SCSI CD-ROM, Intel EtherExpress Pro > ^^^^^^^^^^ I have a SCSI chain that works great (at Ultra speeds) > with just about every device I can plug into it (async, 200ns, 100ns, > 50ns speeds), except my solitary Micropolis disk. It negotiates ultra > speeds, but it causes much grief when there is much activity on the bus. > > The symptoms I noticed started with the kernel refusing to communicate > with anything in /dev (I usually run X, which continued to work... at > least long enough to see what was happening), followed by an optional > spew of many messages something like 'ncr: device timed out...' in > xconsole. At this point, opening windows for programs already in the > cache that also don't use anything from /dev still worked. As soon as > I touched anything that also touched the disk or anything in /dev, the > machine completely locked up. > > Moving said Micropolis disk to a fast-scsi controller fixed the problem. > > -- > Zach Heilig -- zach@gaffaneys.com > Steve Grandi, National Optical Astronomy Observatories, Tucson, Arizona USA Internet: grandi@noao.edu Voice: +1 520 318-8228 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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