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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!msunews!agate!news.duke.edu!news.mathworks.com!europa.chnt.gtegsc.com!news.sprintlink.net!sundog.tiac.net!tencats.rmkhome.com!rmk From: rmk@rmkhome.com (Rick Kelly) Newsgroups: comp.unix.bsd.netbsd.misc Subject: Re: Filesystem problems with NetBSD 1.0 Date: 24 Jun 1995 17:59:24 GMT Organization: The Man With Ten Cats Lines: 25 Message-ID: <3shjps$osh@sundog.tiac.net> References: <3s7m9s$18r@etrog.citri.edu.au> <3s8iou$jj4@carol.fwi.uva.nl> <DALDqq.M1u@proteon.com> <3senng$j9m@ccshst05.cs.uoguelph.ca> Reply-To: rmk@tencats.rmkhome.com NNTP-Posting-Host: tencats.rmkhome.com X-Newsreader: TIN [version 1.2 PL2] Rick Macklem (rmacklem@uoguelph.ca) wrote: : John Woods (jfw@proteon.com) wrote: : : >What you have there sounds more like a cache or memory problem to me : : >than a filesystem problem. Have you tried disabling the external cache? : : In fact, since he specified that his motherboard has an SiS chipset, I'll : : underscore that: my SiS chipset has an incompetant external cache, which : : must be disabled for busmastered DMA to work. Disable the external cache : : and try again. (And if it then works, see if you can trade in your : : motherboard for something not designed by cementheads.) : I will note that I have a P90 motherboard with an SiS chipset that : works just fine with NetBSD1.0 and an NCR53C810 SCSI. So, although : I wouldn't be a bit surprised that old 486 Sis motherboard chipsets : have problems, their current Pentium one seems fine (at least for only : one bus mastering dma device:-). And as another datapoint, I have two 486 boxes with SiS chipsets here. Both running NetBSD. Both have been used with an Adaptec 1540A, and one of them now has an Adaptec 1542CF. No cache problems. -- Rick Kelly rmk@tencats.rmkhome.com rmk@rmkhome.com rmk@progress.com