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Date:      Tue, 15 Sep 2015 14:02:02 -0700
From:      Xin Li <delphij@delphij.net>
To:        Dieter BSD <dieterbsd@gmail.com>, freebsd-hardware@freebsd.org, freebsd-hackers@freebsd.org
Subject:   Re: ECC support
Message-ID:  <55F8874A.9030807@delphij.net>
In-Reply-To: <CAA3ZYrBXZn1WpHWYGJYWJDPsk7iDahCas8RhnHC4w%2Babf4w4hA@mail.gmail.com>
References:  <CAA3ZYrBXZn1WpHWYGJYWJDPsk7iDahCas8RhnHC4w%2Babf4w4hA@mail.gmail.com>

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On 09/15/15 13:53, Dieter BSD wrote:
> I've been running machines with ECC for 15-20 years and have never seen=

> a report of an ECC error from either NetBSD or FreeBSD.  I have seen
> reports of ECC errors from Digital Unix.  And remember getting panics
> due to parity errors on machines before ECC.  So I'm thinking that
> the BSDs must ignore hardware reports of single bit ECC errors.  :-(

I'm not sure about NetBSD but FreeBSD supports reporting ECC errors (via
Machine Check Architecture, added in 2009), and yes we have seen it in
field.

Cheers,
--=20
Xin LI <delphij@delphij.net>    https://www.delphij.net/
FreeBSD - The Power to Serve!           Live free or die


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