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#! rnews 1532 sserve.cc.adfa.oz.au Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!nexus.coast.net!zombie.ncsc.mil!news.duke.edu!news.mathworks.com!news.alpha.net!uwm.edu!spool.mu.edu!torn!ccshst05.cs.uoguelph.ca!ccshst01.cs.uoguelph.ca!rmacklem From: rmacklem@uoguelph.ca (Rick Macklem) Newsgroups: comp.unix.bsd.netbsd.misc Subject: Re: Filesystem problems with NetBSD 1.0 Date: 23 Jun 1995 15:48:00 GMT Organization: University of Guelph Lines: 19 Message-ID: <3senng$j9m@ccshst05.cs.uoguelph.ca> References: <3s7m9s$18r@etrog.citri.edu.au> <3s8iou$jj4@carol.fwi.uva.nl> <DALDqq.M1u@proteon.com> NNTP-Posting-Host: ccshst01.cs.uoguelph.ca X-Newsreader: TIN [version 1.2 PL2] 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:-). Have a good weekend, rick