From owner-freebsd-stable@FreeBSD.ORG Thu Dec 23 19:39:39 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B66E11065673 for ; Thu, 23 Dec 2010 19:39:39 +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 890BF8FC1D for ; Thu, 23 Dec 2010 19:39:39 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by nyi.unixathome.org (Postfix) with ESMTP id C870750A72; Thu, 23 Dec 2010 19:39:38 +0000 (GMT) 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 PUKanzeQlZ54; Thu, 23 Dec 2010 19:39:38 +0000 (GMT) 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 8C83850A4C ; Thu, 23 Dec 2010 19:39:38 +0000 (GMT) Message-ID: <4D13A579.8090004@langille.org> Date: Thu, 23 Dec 2010 14:39:37 -0500 From: Dan Langille Organization: The FreeBSD Diary User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: John Baldwin References: <4D11F1F5.7050902@quip.cz> <201012220957.26854.jhb@freebsd.org> In-Reply-To: <201012220957.26854.jhb@freebsd.org> Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org, Miroslav Lachman <000.fbsd@quip.cz> Subject: Re: MCA messages after upgrade to 8.2-BEAT1 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Dec 2010 19:39:39 -0000 On 12/22/2010 9:57 AM, John Baldwin wrote: > On Wednesday, December 22, 2010 7:41:25 am Miroslav Lachman wrote: >> Dec 21 12:42:26 kavkaz kernel: MCA: Bank 0, Status 0xd40e400000000833 >> Dec 21 12:42:26 kavkaz kernel: MCA: Global Cap 0x0000000000000105, >> Status 0x0000000000000000 >> Dec 21 12:42:26 kavkaz kernel: MCA: Vendor "AuthenticAMD", ID 0x40f33, >> APIC ID 0 >> Dec 21 12:42:26 kavkaz kernel: MCA: CPU 0 COR OVER BUSLG Source DRD Memory >> Dec 21 12:42:26 kavkaz kernel: MCA: Address 0x236493c0 > > You are getting corrected ECC errors in your RAM. You see them once an hour > because we poll the machine check registers once an hour. If this happens > constantly you might have a DIMM that is dying? John: I take it these ECC errors *may* have been happening for some time. What has changed is the OS now polls for the errors and reports them. -- Dan Langille - http://langille.org/