From owner-freebsd-stable@freebsd.org Mon Nov 19 18:09:12 2018 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5866F1121623 for ; Mon, 19 Nov 2018 18:09:12 +0000 (UTC) (envelope-from rtomek@tau1.ceti.pl) Received: from mailout4.ceti.pl (mailout4.ceti.pl [62.121.128.44]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D1E6E837EB for ; Mon, 19 Nov 2018 18:09:11 +0000 (UTC) (envelope-from rtomek@tau1.ceti.pl) Received: from localhost (localhost [127.0.0.1]) by mailout4.ceti.pl (Postfix) with ESMTP id 81102C0552EEC for ; Mon, 19 Nov 2018 18:59:04 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mailout1.ceti.pl Received: from mailout4.ceti.pl ([62.121.128.44]) by localhost (mailout1.ceti.pl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HLCi22Bp31hE for ; Mon, 19 Nov 2018 18:58:59 +0100 (CET) Received: from tau1.ceti.pl (tau.ceti.pl [62.121.128.11]) by mailout4.ceti.pl (Postfix) with ESMTP id 338E3C0552E39 for ; Mon, 19 Nov 2018 18:58:59 +0100 (CET) Received: by tau1.ceti.pl (Postfix, from userid 3727) id 1AC6D96096E; Mon, 19 Nov 2018 18:58:59 +0100 (CET) Date: Mon, 19 Nov 2018 18:58:59 +0100 From: Tomasz Rola To: freebsd-stable@freebsd.org Subject: Re: Memory error logged in /var/log/messages Message-ID: <20181119175858.GA32527@tau1.ceti.pl> References: <04F0C04D-7DD7-4079-8D2E-9824B69573D3@punkt.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <04F0C04D-7DD7-4079-8D2E-9824B69573D3@punkt.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Rspamd-Queue-Id: D1E6E837EB X-Spamd-Result: default: False [1.48 / 15.00]; ARC_NA(0.00)[]; RCVD_COUNT_FIVE(0.00)[5]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-stable@freebsd.org]; TO_DN_NONE(0.00)[]; AUTH_NA(1.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_SPAM_MEDIUM(0.43)[0.427,0]; DMARC_NA(0.00)[ceti.pl]; MX_GOOD(-0.01)[cached: tau1.ceti.pl]; NEURAL_HAM_SHORT(-0.14)[-0.143,0]; R_SPF_NA(0.00)[]; FORGED_SENDER(0.30)[rtomek@ceti.pl,rtomek@tau1.ceti.pl]; R_DKIM_NA(0.00)[]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:15541, ipnet:62.121.128.0/20, country:PL]; FROM_NEQ_ENVFROM(0.00)[rtomek@ceti.pl,rtomek@tau1.ceti.pl]; IP_SCORE(0.00)[country: PL(0.02)] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Nov 2018 18:09:12 -0000 On Mon, Nov 19, 2018 at 02:10:00PM +0100, Patrick M. Hausen wrote: > Hi all, > > one of our production servers, 11.2p3 is logging this every couple of minutes: > > Nov 19 11:48:06 ph002 kernel: MCA: CPU 0 COR (5) OVER MS channel 3 memory error > Nov 19 11:48:06 ph002 kernel: MCA: Address 0x1f709a48c0 > Nov 19 11:48:06 ph002 kernel: MCA: Misc 0x90010000040188c > Nov 19 11:48:06 ph002 kernel: MCA: Bank 12, Status 0xcc00010c000800c3 > Nov 19 11:48:06 ph002 kernel: MCA: Global Cap 0x0000000007000c16, Status 0x0000000000000000 > Nov 19 11:48:06 ph002 kernel: MCA: Vendor "GenuineIntel", ID 0x406f1, APIC ID 0 [...] >From what I understood so far about those things, it is alway good to start investigation from checking one's power supply. Have a multimeter and plug it into molex PATA power supply while the box is working. I have no idea where to plug it in case there is no PATA cables in your power supply, though. HTH -- Regards, Tomasz Rola -- ** A C programmer asked whether computer had Buddha's nature. ** ** As the answer, master did "rm -rif" on the programmer's home ** ** directory. And then the C programmer became enlightened... ** ** ** ** Tomasz Rola mailto:tomasz_rola@bigfoot.com **