From owner-freebsd-hackers@FreeBSD.ORG Mon Sep 13 15:10:46 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2B3D2106584C for ; Mon, 13 Sep 2010 15:10:41 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 1F0418FC15 for ; Mon, 13 Sep 2010 15:10:41 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id C3E1346C08; Mon, 13 Sep 2010 11:10:40 -0400 (EDT) Received: from jhbbsd.localnet (smtp.hudson-trading.com [209.249.190.9]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 07C168A050; Mon, 13 Sep 2010 11:10:40 -0400 (EDT) From: John Baldwin To: freebsd-hackers@freebsd.org Date: Mon, 13 Sep 2010 10:11:18 -0400 User-Agent: KMail/1.13.5 (FreeBSD/7.3-CBSD-20100819; KDE/4.4.5; amd64; ; ) References: <20100911060704.55B611065670@hub.freebsd.org> In-Reply-To: <20100911060704.55B611065670@hub.freebsd.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201009131011.19089.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Mon, 13 Sep 2010 11:10:40 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=4.2 tests=AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: Simon Subject: Re: MCE Decoding - MCA: Bank 8, Status 0xcc0031800001009f/0xc8000980000200cf X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Sep 2010 15:10:46 -0000 On Saturday, September 11, 2010 1:40:28 am Simon wrote: > Hello, > > Can someone please help me decode these two errors on FreeBSD 8.1-R: > > MCA: Bank 8, Status 0xcc0031800001009f > MCA: Global Cap 0x0000000000001c09, Status 0x0000000000000000 > MCA: Vendor "GenuineIntel", ID 0x106a5, APIC ID 16 > MCA: CPU 0 COR (198) OVER RD channel ?? memory error > MCA: Address 0x1b6188d80 > MCA: Misc 0x72ae242000000084 > > MCA: Bank 8, Status 0xc8000980000200cf > MCA: Global Cap 0x0000000000001c09, Status 0x0000000000000000 > MCA: Vendor "GenuineIntel", ID 0x106a5, APIC ID 16 > MCA: CPU 0 COR (38) OVER MS channel ?? memory error > MCA: Misc 0x72ae242000000140 HARDWARE ERROR. This is *NOT* a software problem! Please contact your hardware vendor CPU 0 BANK 8 MISC 72ae242000000084 ADDR 1b6188d80 MCG status: MCi status: Error overflow MCi_MISC register valid MCi_ADDR register valid MCA: MEMORY CONTROLLER RD_CHANNELunspecified_ERR Transaction: Memory read error Memory read ECC error Memory corrected error count (CORE_ERR_CNT): 198 Memory transaction Tracker ID (RTId): 84 Memory DIMM ID of error: 0 Memory channel ID of error: 0 Memory ECC syndrome: 72ae2420 STATUS cc0031800001009f MCGSTATUS 0 MCGCAP 1c09 APICID 10 SOCKETID 0 CPUID Vendor Intel Family 6 Model 26 HARDWARE ERROR. This is *NOT* a software problem! Please contact your hardware vendor CPU 0 BANK 8 MISC 72ae242000000140 MCG status: MCi status: Error overflow MCi_MISC register valid MCA: MEMORY CONTROLLER MS_CHANNELunspecified_ERR Transaction: Memory scrubbing error Memory ECC error occurred during scrub Memory corrected error count (CORE_ERR_CNT): 38 Memory transaction Tracker ID (RTId): 40 Memory DIMM ID of error: 0 Memory channel ID of error: 0 Memory ECC syndrome: 72ae2420 STATUS c8000980000200cf MCGSTATUS 0 MCGCAP 1c09 APICID 10 SOCKETID 0 CPUID Vendor Intel Family 6 Model 26 You have some corrected memory errors (198+38 = 236) in the first DIMM (on the SuperMicro boards we have at work, it would correspond to the DIMM slot labeled P1_DIMM1A). In my experience I would just ignore them unless the count gets much higher (say 10000+ / per hour). -- John Baldwin