From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 870F113877A for ; Sat, 26 Jul 2014 22:56:07 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 7D463E0C5A; Sat, 26 Jul 2014 22:56:00 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 6303DE0C14 for ; Sat, 26 Jul 2014 22:55:59 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with ESMTP id 590EB33FFD1 for ; Sat, 26 Jul 2014 22:55:58 +0000 (UTC) X-Virus-Scanned: by amavisd-new using ClamAV at gentoo.org X-Spam-Flag: NO X-Spam-Score: 2.874 X-Spam-Level: ** X-Spam-Status: No, score=2.874 tagged_above=-999 required=5.5 tests=[AWL=-0.490, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, FSL_HELO_BARE_IP_2=2, NML_ADSP_CUSTOM_MED=1.2, RCVD_IN_DNSWL_LOW=-0.7, RCVD_NUMERIC_HELO=0.865, RP_MATCHES_RCVD=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=no Received: from smtp.gentoo.org ([IPv6:::ffff:127.0.0.1]) by localhost (smtp.gentoo.org [IPv6:::ffff:127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RcTudZVxZUYd for ; Sat, 26 Jul 2014 22:55:52 +0000 (UTC) Received: from plane.gmane.org (plane.gmane.org [80.91.229.3]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTPS id 5A5C133FF66 for ; Sat, 26 Jul 2014 22:55:52 +0000 (UTC) Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1XBAsX-0005hF-Lt for gentoo-user@gentoo.org; Sun, 27 Jul 2014 00:55:49 +0200 Received: from 216.240.144.4 ([216.240.144.4]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 27 Jul 2014 00:55:49 +0200 Received: from w41ter by 216.240.144.4 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 27 Jul 2014 00:55:49 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: gentoo-user@lists.gentoo.org From: walt Subject: [gentoo-user] Re: ECC-ram, it is worth it. Date: Sat, 26 Jul 2014 15:55:35 -0700 Message-ID: References: <53D3E7B8.5060908@googlemail.com> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 216.240.144.4 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 In-Reply-To: <53D3E7B8.5060908@googlemail.com> X-Archives-Salt: fdac0449-02bc-4860-9da7-7fea100d2a85 X-Archives-Hash: 662a2344a68ca5d35953f762e5e8a490 On 07/26/2014 10:39 AM, Volker Armin Hemmann wrote: > [894019.770058] [Hardware Error]: MC4 Error (node 0): DRAM ECC error > detected on the NB. > [894019.770084] EDAC MC0: 1 CE on mc#0csrow#2channel#0 (csrow:2 > channel:0 page:0x2aa6ce offset:0xc60 grain:0 syndrome:0x63e1) > [894019.770090] [Hardware Error]: Error Status: Corrected error, no > action required. > [894019.770098] [Hardware Error]: CPU:0 (10:4:2) > MC4_STATUS[-|CE|MiscV|-|AddrV|CECC]: 0x9c70c00063080a13 > [894019.770105] [Hardware Error]: MC4_ADDR: 0x00000002aa6cec60 > [894019.770110] [Hardware Error]: cache level: L3/GEN, mem/io: MEM, > mem-tx: RD, part-proc: RES (no timeout) > > and this, my children, is why I am using ECC ram. > > Using zfs showed me, that there are errors that the system does not > catch but corrupts data. > > And this evening, with a thunderstorm outside I got that beauty above... Is ECC memory a drop-in replacement for ordinary RAM, or does it need a special motherboard?