Date: Thu, 06 May 2010 07:10:25 -0400 From: Boris Kochergin <spawk@acm.poly.edu> To: Atom Smasher <atom@smasher.org> Cc: freebsd-hackers@freebsd.org Subject: Re: bad RAM? prove it with a crash dump? Message-ID: <4BE2A3A1.5030805@acm.poly.edu> In-Reply-To: <1005062053260.2629@smasher> References: <1005062053260.2629@smasher>
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Atom Smasher wrote: > i suspect i've got bad RAM but memtest has run through several dozen > iterations without a problem. my (3 year old) laptop will run for a > few days or weeks and then crash/freeze/hang. i've enabled crash dumps > and i'm wondering if/how the dump might be able to (dis)prove that the > RAM is bad. any ideas? > > thanks... > My experience with bad memory is that if it causes the machine to crash, it won't always happen while the machine is running the same process (or kernel thread)--so look for it crashing in a wide variety of places--and upon inspection of the core dump, a pointer somewhere will be pointing to garbage. -Boris
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