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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.mel.connect.com.au!munnari.OZ.AU!news.ecn.uoknor.edu!paladin.american.edu!europa.chnt.gtegsc.com!boingo.amil.jhu.edu!blaze.cs.jhu.edu!darwin.sura.net!maze.dpo.uab.edu!usenet From: David Mackay <Zu02375@uabdpo.dpo.uab.edu> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Installation problem: Page fault by boot floppy Date: 17 Jan 1996 16:16:07 GMT Organization: University of Alabama at Birmingham Lines: 17 Message-ID: <4dj7c7$p5o@maze.dpo.uab.edu> References: <4ddnma$rdb@cville-srv.wam.umd.edu> <4dhklv$r9@uriah.heep.sax.de> NNTP-Posting-Host: tty17.maze.ppp.uab.edu Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 1.12(Macintosh; I; 68K) X-URL: news:4dhklv$r9@uriah.heep.sax.de > Fatal trap12: page fault while in kernel mode > fault virtual address =0x0 > fault code =supervisor read, page not present > instruction pointer = 0x8:f018c82d This heavily smells like a hardware problem. Try changing your memory timing, or disabling write-back cache. There's a lot of broken hardware out there, alas. (Dos doesn't use the hardware to the amount a Unix does.) This looks like the message that I got when I tried to install 2.1R on a machine with 4 MB of memory. Adding more memory cleared the problem right up. -Dave