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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.mira.net.au!news.netspace.net.au!news.mel.connect.com.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!howland.erols.net!news.sprintlink.net!news-peer.sprintlink.net!news.radio.cz!voskovec.radio.cz!news.cesnet.cz!ns.felk.cvut.cz!not-for-mail From: Jaroslav Klaus <j.klaus@sh.cvut.cz> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Bus Error Date: Wed, 29 Jan 1997 01:15:15 +0000 Organization: CTU Prague Lines: 42 Distribution: world Message-ID: <32EEA4A3.167EB0E7@sh.cvut.cz> References: <32E8B00E.346A@sh.cvut.cz> <5cj26s$mau@ns.qnis.net> <5cjqd4$95a@dismay.ucs.indiana.edu> NNTP-Posting-Host: hell.sh.cvut.cz Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.01 (X11; I; FreeBSD 2.2-BETA_A i386) Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:34681 John Fieber wrote: > > In article <5cj26s$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 I tried every combinatios of memory shadows(on/off) and external cache(on/off) and another parameters of my BIOS Setup. Nothing has changed. It is strange because Linux on this machine works properly. BUT I LIKE FREEBSD MUCH MORE THEN LINUX so I wish to solve my Bus Error problem. THANK YOU VERY MUCH. -- Jarda