Date: Thu, 30 Dec 1999 10:07:32 +0100 (CET) From: Rob Schofield <schofiel@xs4all.nl> To: freebsd-hardware@freebsd.org Subject: Re: ECC RAM useless with FreeBSD? Message-ID: <199912300907.KAA06170@webmail2.xs4all.nl> In-Reply-To: <99Dec30.081608est.40322@border.alcanet.com.au> References: <8070C3A4E99ED211A63200105A19B99B317471@mail.edifecs.com> <19991228215756.A94267@panzer.kdm.org> <99Dec30.081608est.40322@border.alcanet.com.au>
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Quoting Peter Jeremy <peter.jeremy@alcatel.com.au>: > On 1999-Dec-29 15:57:56 +1100, "Kenneth D. Merry" <ken@kdm.org> wrote: > > As it stands, though, you won't know about a 1-bit memory > >problem if you turn ECC on. > [...] > > It would be fairly easy to write a scrubber daemon that woke up (or > was run from cron) regularly and read all of physical RAM (via > /dev/mem). It could report any ECC corrections it caused (or that > were present when it started). The SCO Unix I am using on my multi-processor DEC has an ECC daemon running to carry this out, almost exactly as you describe; I think it can correct one bit errors. Rob Schofield To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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