From owner-freebsd-hackers@freebsd.org Tue Sep 15 21:02:09 2015 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F1B309C3C8A; Tue, 15 Sep 2015 21:02:09 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from anubis.delphij.net (anubis.delphij.net [64.62.153.212]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "anubis.delphij.net", Issuer "StartCom Class 1 Primary Intermediate Server CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id D95C710DB; Tue, 15 Sep 2015 21:02:09 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from zeta.ixsystems.com (unknown [12.229.62.2]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by anubis.delphij.net (Postfix) with ESMTPSA id 2248E20FDD; Tue, 15 Sep 2015 14:02:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=delphij.net; s=anubis; t=1442350923; x=1442365323; bh=x3YN3kGCcLwT50qiEyhiHxtJir2J+onQoyeDHlw21RQ=; h=Reply-To:Subject:References:To:From:Date:In-Reply-To; b=Q9FgTUwm9KL2vF0UFCbT8pgRI4/l49BGCsfXHeGQudUmO49OlV/NwscXwBZWurY24 8v0sgziOyi83eByLGqpUOr0n+meJX75mE0VFaCpJM0wFGrHDPGVqeChG1iGD03cNFQ ndoyYKUJBi58nMp3NIC+inqqY6+8YSkz6Jq1Pw44= Reply-To: d@delphij.net Subject: Re: ECC support References: To: Dieter BSD , freebsd-hardware@freebsd.org, freebsd-hackers@freebsd.org From: Xin Li Organization: The FreeBSD Project Message-ID: <55F8874A.9030807@delphij.net> Date: Tue, 15 Sep 2015 14:02:02 -0700 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="x3qAOq2idBBLVQR3ojvVstq4GkSx0ATLM" X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Sep 2015 21:02:10 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --x3qAOq2idBBLVQR3ojvVstq4GkSx0ATLM Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable 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 https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die --x3qAOq2idBBLVQR3ojvVstq4GkSx0ATLM Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.1.8 (FreeBSD) iQIcBAEBCgAGBQJV+IdKAAoJEJW2GBstM+nssdoP/RLizgBZ9q/5+F43N9vzpv0p HxG9e5pb/IgCH+FmdC3J2DbLd6WSnGvuObfDzcgb9mCVwHwgESbrdAnYeF7LbJW8 DLN+wYipCpDugvNubgN/YoEgniR2jg+cl6MJKnecZhmFF1hxzWR/kHr5kTw/cAiT T5BddK4Ye4Emf+mBmtwE3XFshJovh4hSi0MwO0Nu57yyhbezyeng1vp1rE1ZobO0 LtYby4Zvim/t8ns2Bwc/ETb6A3ONJHBbokH+pZLUUbZYXvbwqIOg3mkb6Xc0im+S Zv/LkJFenjLoaB+0L9AqAfMrmqsdI9eEz6XB5bn0cvpIEYsgWTpkbzw5UFQgIds1 AKxKxmQGpkB3Afs7FaDf38vWUGoPfGZIKJ7HG2/8pByOnC84JEY6UP9bbI1ew/Wc 64cs7Je0JqmZXxJSPb47G5vLLgQnj8Dh0hFLnfS15nxgd+I8cBnC8WhQ39OCDY1K w4c0odPv4xVPDU6Mc51Sv3aHJHtXFDsbjRCzt6qDIPYqeFWpwP+6LhacVM45SzXW rDzw9vEEypq1rijnjAO2HDPGtt5D1BVTHfw5iZ5neHSvVBo9SfpbB3+ibiSJKCpg STlEt0FPkCf2P8z04WaHK2NRQKpPwuCa8gz3O8ipQfgX4F/AbWDPU4AZpo4M6ADj U9wQ5ONSpF9bmxkpnr1k =dm4P -----END PGP SIGNATURE----- --x3qAOq2idBBLVQR3ojvVstq4GkSx0ATLM--