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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!solace!nntp.uio.no!newsfeeds.sol.net!hunter.premier.net!news.mathworks.com!howland.erols.net!vixen.cso.uiuc.edu!news.indiana.edu!news From: jfieber@fallout.campusview.indiana.edu (John Fieber) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Bus Error Date: 28 Jan 1997 03:05:08 GMT Organization: Indiana University, Bloomington Lines: 30 Message-ID: <5cjqd4$95a@dismay.ucs.indiana.edu> References: <32E8B00E.346A@sh.cvut.cz> <5cj26s$mau@ns.qnis.net> NNTP-Posting-Host: fallout.campusview.indiana.edu Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Newsreader: knews 0.9.8 To: J.Klaus@sh.cvut.cz Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:34581 In article <5cj26s$mau@ns.qnis.net>, phil@ns.qnis.net (Phil Jensen) writes: > In article <32E8B00E.346A@sh.cvut.cz>, > Jaroslav Klaus <J.Klaus@sh.cvut.cz> wrote: >>The 2.1.6(5)-RELEASE very often gives me "Bus Error - core dumped" >>message. >>Also the cc compiler in the 2.2-BETA (APLHA) is being killed by signals >>11 or 10. >>I think it's similar problem. Could anybody help me? > > Jarda, > Try turning your external cache off in your BIOS. I'm observed this > problem several times with the external cache on. Disabling it > usually does the trick. If turning of the cache solves the problem, then also check for any "memory remapping" options in BIOS and turn them off if they are on, then try re-enabling the cache. What happens is that the area of memory used by BIOS (between 640k-1MB) gets remapped somewhere else where it can be used. However, your system may not be able to use it correctly. In my system, for example, the maximum installable RAM is 32 megabytes. With 32 megabytes installed and remapping enabled, this turns into 32 megabytes plus a little more. It just so happens that the external cache gets terribly confused by that extra little bit! I was able to eleminate the symptom by turning off the cache, but it took me quite a bit longer to figure out the real cause. -john