Date: Thu, 2 Jan 1997 11:55:31 -0500 (EST) From: John Dyson <dyson@dyson.iquest.net> To: hans@brandinnovators.com (Hans Zuidam) Cc: avalon@coombs.anu.edu.au, freebsd-hackers@FreeBSD.ORG Subject: Re: bootloader & memory test... Message-ID: <199701021655.LAA11333@dyson.iquest.net> In-Reply-To: <199701021356.NAA05612@truk.brandinnovators.com> from "Hans Zuidam" at Jan 2, 97 01:56:03 pm
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> > Darren Reed wrote: > > I haven't delved too deeply, but how hard would it be to have the kernel's > > idle loop do a memory test ? > Hard, I guess. For one you do not have all memory available to > test as the kernel and many processes are using (more or less) > random portions. Secondly: what would you do when you do find an > error? Raising a panic is in many cases inapropriate. > Some machines do "memory scrubbing" and let their ECC mechanisms correct errors. (This would decrease the prob. of multi-bit errors.) John
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