From owner-freebsd-hackers@FreeBSD.ORG Wed Aug 11 11:06:41 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 2BA24106566C for ; Wed, 11 Aug 2010 11:06:41 +0000 (UTC) (envelope-from dan@langille.org) Received: from nyi.unixathome.org (nyi.unixathome.org [64.147.113.42]) by mx1.freebsd.org (Postfix) with ESMTP id 012BD8FC0A for ; Wed, 11 Aug 2010 11:06:40 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by nyi.unixathome.org (Postfix) with ESMTP id 9B4B950BC3; Wed, 11 Aug 2010 11:47:26 +0100 (BST) X-Virus-Scanned: amavisd-new at unixathome.org Received: from nyi.unixathome.org ([127.0.0.1]) by localhost (nyi.unixathome.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pcjy48lW-cEa; Wed, 11 Aug 2010 11:47:25 +0100 (BST) Received: from smtp-auth.unixathome.org (smtp-auth.unixathome.org [10.4.7.7]) (Authenticated sender: hidden) by nyi.unixathome.org (Postfix) with ESMTPSA id B9F2C50BBF ; Wed, 11 Aug 2010 11:47:25 +0100 (BST) Message-ID: <4C627FB1.5060007@langille.org> Date: Wed, 11 Aug 2010 06:47:13 -0400 From: Dan Langille Organization: The FreeBSD Diary User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.8) Gecko/20100802 Thunderbird/3.1.2 MIME-Version: 1.0 To: freebsd-hackers@freebsd.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Andrew Heybey Subject: 8.1-STABLE amd64 machine check 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: Wed, 11 Aug 2010 11:06:41 -0000 I am encountering a situation similar to one reported by Andrew Heybey at http://docs.freebsd.org/cgi/mid.cgi?6E83197B-9DD5-4C7E-846D-AD176C25464D This morning I found this in my /var/log/messages: Aug 11 01:59:48 kraken kernel: MCA: Bank 4, Status 0x94614c62001c011b Aug 11 01:59:48 kraken kernel: MCA: Global Cap 0x0000000000000106, Status 0x0000000000000000 Aug 11 01:59:48 kraken kernel: MCA: Vendor "AuthenticAMD", ID 0x100f42, APIC ID 0 Aug 11 01:59:48 kraken kernel: MCA: CPU 0 COR GCACHE LG RD error Aug 11 01:59:48 kraken kernel: MCA: Address 0x5d0fe8c from /var/run/dmesg.boot Copyright (c) 1992-2010 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 8.1-STABLE #0: Sun Jul 25 19:18:56 EDT 2010 dan@kraken.example.org:/usr/obj/usr/src/sys/KRAKEN amd64 Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: AMD Phenom(tm) II X4 945 Processor (3010.17-MHz K8-class CPU) Origin = "AuthenticAMD" Id = 0x100f42 Family = 10 Model = 4 Stepping = 2 Features=0x178bfbff Features2=0x802009 AMD Features=0xee500800 AMD Features2=0x37ff TSC: P-state invariant real memory = 4294967296 (4096 MB) avail memory = 4100710400 (3910 MB) ACPI APIC Table: <111909 APIC1708> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs FreeBSD/SMP: 1 package(s) x 4 core(s) cpu0 (BSP): APIC ID: 0 cpu1 (AP): APIC ID: 1 cpu2 (AP): APIC ID: 2 cpu3 (AP): APIC ID: 3 Andrew: You posted about this on July 14. Anything new since then? John: Is it time for me to get a new CPU? thanks -- Dan Langille - http://langille.org/