From owner-freebsd-stable@FreeBSD.ORG Tue Sep 28 20:05:59 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 3D2531065675 for ; Tue, 28 Sep 2010 20:05:59 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from asmtpout029.mac.com (asmtpout029.mac.com [17.148.16.104]) by mx1.freebsd.org (Postfix) with ESMTP id 22A8F8FC1E for ; Tue, 28 Sep 2010 20:05:58 +0000 (UTC) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; charset=us-ascii Received: from cswiger1.apple.com ([17.209.4.71]) by asmtp029.mac.com (Sun Java(tm) System Messaging Server 6.3-8.01 (built Dec 16 2008; 32bit)) with ESMTPSA id <0L9H00C7K3TH9O70@asmtp029.mac.com> for freebsd-stable@FreeBSD.org; Tue, 28 Sep 2010 13:05:42 -0700 (PDT) X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 ipscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx engine=6.0.2-1004200000 definitions=main-1009280148 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.0.10011,1.0.148,0.0.0000 definitions=2010-09-28_13:2010-09-28, 2010-09-28, 1970-01-01 signatures=0 From: Chuck Swiger In-reply-to: <4CA2488D.7000101@gmail.com> Date: Tue, 28 Sep 2010 13:05:41 -0700 Message-id: <04FA16F2-26AD-425D-9E4A-2A923219B73E@mac.com> References: <20100224165203.GA10423@zod.isi.edu> <20100927170317.I90633@sola.nimnet.asn.au> <4CA0E892.4010204@gmail.com> <201009271621.17669.jkim@FreeBSD.org> <4CA2488D.7000101@gmail.com> To: Vitaly Magerya X-Mailer: Apple Mail (2.1081) Cc: "freebsd-stable@freebsd.org List" Subject: Re: resume slow on Thinkpad T42 FreeBSD 8-STABLE 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: Tue, 28 Sep 2010 20:05:59 -0000 On Sep 28, 2010, at 12:57 PM, Vitaly Magerya wrote: > I also have this kernel message once in a few hours (seemingly random) > if I used sleep/resume before: > > MCA: Bank 1, Status 0xe2000000000001f5 > MCA: Global Cap 0x0000000000000005, Status 0x0000000000000000 > MCA: Vendor "GenuineIntel", ID 0x695, APIC ID 0 > MCA: CPU 0 UNCOR PCC OVER DCACHE L1 ??? error > > But once again, it doesn't really cause any problems. That is very likely to be a matter of luck. If I translate this MCA right, it looks to be an uncorrected error in L1 data cache on the CPU. Try to run something like prime95's torture test mode and see whether it fails overnight.... Regards, -- -Chuck