From owner-freebsd-questions@FreeBSD.ORG Fri Oct 11 11:27:37 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 356C0B4F for ; Fri, 11 Oct 2013 11:27:37 +0000 (UTC) (envelope-from peter@wgyb.biz) Received: from mail-ie0-f178.google.com (mail-ie0-f178.google.com [209.85.223.178]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 08B9A2C94 for ; Fri, 11 Oct 2013 11:27:36 +0000 (UTC) Received: by mail-ie0-f178.google.com with SMTP id to1so7908202ieb.37 for ; Fri, 11 Oct 2013 04:27:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:date:message-id:subject:from :to:content-type; bh=BSojzhmIQlKu9y3TrcQ88kLzSE0R4GRBYHkjZ+j3JFE=; b=JYaoVZzmz8xYZr92uBLF77yJDJng7h7I0dF8e4NXZ6Po2G+IDRnneDbHGgBgql4F6U QZJc0M+n2LoBADvf+DbUpSTcvx/p7M5lWPMKvHObvS2jBKiNWPulIAoCl5EFaCwtn8LW isBul9eXPPgzVVdB/WryHcsN7pD+OyAhmqKJq1EeKOW9uZ3nAYHgcSHciImmhWX8CZCN 5uJqs2lrCCwL6yyytsQkn6qleCMgHeqqY+6m8wGiUM6Hx1Lx3i2PapgC27UTQVuG575n 8P3Dzcnj0lyUu6nFPHkCBOzFUIHLwA9FEIqMZFJ9vhAIYBCbivXNz8nb8QstP43R2MSX tSNg== X-Gm-Message-State: ALoCoQnzkwxqAcJdoR2x6Xcw1No57/3/7PJNdeHnBzhGPSsKSBPFumHJxpg7A+qJybE+217Oqu5P MIME-Version: 1.0 X-Received: by 10.50.73.41 with SMTP id i9mr2331108igv.30.1381490849936; Fri, 11 Oct 2013 04:27:29 -0700 (PDT) Sender: peter@wgyb.biz Received: by 10.64.12.242 with HTTP; Fri, 11 Oct 2013 04:27:29 -0700 (PDT) X-Originating-IP: [92.27.7.225] Date: Fri, 11 Oct 2013 12:27:29 +0100 X-Google-Sender-Auth: 9Pq0vuGizS7x8R81eoAs01Xx_5U Message-ID: Subject: Frequent NMI warnings From: Peter Risdon To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Oct 2013 11:27:37 -0000 Hi, $ uname -a FreeBSD xxxxxxxx.xxxxxxxxxxxxxxxx.com 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec 4 09:23:10 UTC 2012 root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 I'm getting a lot of these errors in the logs: +NMI ISA 30, EISA 0 +NMI ISA 30, EISA 0 +NMI ... going to debugger +NMI ISA 30, EISA 0 +NMI ... going to debugger +NMI ... going to debugger +NMI ISA 30, EISA 0 +NMI ISA 30, EISA 0 +NMI ... going to debugger +NMI ... going to debugger +NMI ISA 30, EISA 0 +NMI ISA 30, EISA 0 +NMI ... going to debugger +NMI ... going to debugger +NMI ISA 30, EISA 0 +NMI ... going to debugger Can anyone suggest how I could diagnose these errors? I saw some suggestions that memory faults might be a cause of similar problems but Memtest came up clear. Please cc me because I'm not a subscriber. Thanks in advance, Peter Risdon