From owner-freebsd-stable@FreeBSD.ORG Wed Sep 29 15:44:10 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 68DC7106566B for ; Wed, 29 Sep 2010 15:44:10 +0000 (UTC) (envelope-from vmagerya@gmail.com) Received: from mail-bw0-f54.google.com (mail-bw0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id E55F58FC13 for ; Wed, 29 Sep 2010 15:44:09 +0000 (UTC) Received: by bwz15 with SMTP id 15so826169bwz.13 for ; Wed, 29 Sep 2010 08:44:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:cc:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=3HX/YSzft76Mwx3RWt5YH6ySJH45nqfBWHY8NSV5FeY=; b=bEu0Tr3yjQcyeOBsmOj6BUdZtWHQD0KnhnBKe17fYusyolVmru5nzXMNqVATgE2/CB 8D1et7RJVnxboOGUKU2kExQeFyixjxzi6bmTghNDvcbHlIct+7033QazlxSukWLxt1x7 wLscjAXgyKesGfhxYOlStJ2SMKiFBUTaeKk7I= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=Kt3ccjIhZ/V7tRJjoMtMFJTriBESaCoLwhOV9UF5iULH7p/oMPXS4uXcHXveq6F43+ GADK8q0DKvHzzBVRfks0Wgs9CxA629SSft1jqMetKzs6MWnm4F/+wEfanmzHLiBdKSDe Ig8e4ehd8Obm/R5iaeBW8sf5oxEc5bXCn2Q3A= Received: by 10.204.81.203 with SMTP id y11mr1340090bkk.152.1285775048903; Wed, 29 Sep 2010 08:44:08 -0700 (PDT) Received: from [172.16.0.6] (tx97.net [85.198.160.156]) by mx.google.com with ESMTPS id y19sm6795997bkw.18.2010.09.29.08.44.06 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 29 Sep 2010 08:44:07 -0700 (PDT) Message-ID: <4CA35E64.1040101@gmail.com> Date: Wed, 29 Sep 2010 18:42:28 +0300 From: Vitaly Magerya User-Agent: Thunderbird MIME-Version: 1.0 To: Chuck Swiger 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> <04FA16F2-26AD-425D-9E4A-2A923219B73E@mac.com> In-Reply-To: <04FA16F2-26AD-425D-9E4A-2A923219B73E@mac.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org 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: Wed, 29 Sep 2010 15:44:10 -0000 Chuck Swiger wrote: >> 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 > > 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.... The test run for 17 hours without any problems (or MCA messages), then I put the laptop for a 5 minute sleep, resumed the test, and after 30 minutes of it there are now two MCA messages in dmesg. Are they somehow related, or is this a coincidence?