Date: Wed, 2 Apr 2003 11:29:06 -0800 From: James Long <list@museum.rain.com> To: freebsd-questions@freebsd.org Subject: Re: Fatal trap after adding more memory Message-ID: <20030402112906.A16512@ns.museum.rain.com> In-Reply-To: <20030402162618.GA530@blackman>; from freebsd@blackman.unixtechs.org on Wed, Apr 02, 2003 at 11:26:19AM -0500 References: <20030401141454.N43325-100000@atlantis.atlantis.dp.ua> <20030401113952.GA34796@falcon.midgard.homeip.net> <20030402162618.GA530@blackman>
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On Wed, Apr 02, 2003 at 11:26:19AM -0500, Eric Ekong wrote: > > I added memory to my machine yesterday and since then I have noticed > Fatal traps when I try to do some intensive activity on the machine. > IE. make buildworld That's a classic sign of faulty memory. I had the same thing when I bought four pieces of 256M ECC RAM. I had two parts each built from NEC and Samsung chips. Much as I have liked Samsung in the past, any time I had any piece of the Samsung memory installed, no matter which slot, a buildworld running while doing some heavy tar compress/decom- press operations would cause a fatal trap. Run the NEC memory alone, no problems. Run either or both of the Samsung pieces alone, problems. Remove the newly-added memory and ensure that the problems goes away. If so, try using JUST the new memory alone, either one piece at a time, or all at once, and see whether the problem occurs only when the new memory is used. If so, return the memory for a different make or better quality.
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