From owner-freebsd-mips@FreeBSD.ORG  Mon Sep 16 17:11:16 2013
Return-Path: <owner-freebsd-mips@FreeBSD.ORG>
Delivered-To: freebsd-mips@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTP id 076396C4
 for <freebsd-mips@freebsd.org>; Mon, 16 Sep 2013 17:11:16 +0000 (UTC)
 (envelope-from imp@bsdimp.com)
Received: from mail-oa0-f48.google.com (mail-oa0-f48.google.com
 [209.85.219.48])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id C44892CD5
 for <freebsd-mips@freebsd.org>; Mon, 16 Sep 2013 17:11:15 +0000 (UTC)
Received: by mail-oa0-f48.google.com with SMTP id i10so247338oag.21
 for <freebsd-mips@freebsd.org>; Mon, 16 Sep 2013 10:11:09 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20130820;
 h=x-gm-message-state:sender:subject:mime-version:content-type:from
 :in-reply-to:date:cc:content-transfer-encoding:message-id:references
 :to; bh=BahLAh1o8NglbaFX+aRbVCz8T/uXwD/8Sn15hIT3oV8=;
 b=ghRAtMACdeBQ/gcZsIgNdDGdz1vOpm3xT+e3PLtdM/d/kJ6BBX3u3+pW5rDkUXMWBw
 Y4eYLQajC8XEhSukbfnerDUWxQLboweLcQ6W41K1g4SHSLDiqlHtnDdUee+qc3OmwMj5
 Kazt0o6gwc1h1QqfdZLr4NqJrcX2ESc8tdvoiZejcUEwb2QkIKus0SmlfwMZGitGXvnZ
 e+06gVs97mebkb8LXLpTddLBdMVRjM/SLqJUcS/PIqIiEu2j1C5V3oGcnD5F1USsRqrs
 OuXM1OP5Utnkn6KmJ6d7cqOtQSMpTEYcSZZTkI2MEfzgzxXZ6skZfyaRf6DWyJOm2BlL
 9Rlg==
X-Gm-Message-State: ALoCoQmPr48dxlG3dYxQCKJ1ERuV3R5C5/atPJvIRrNNLGHUUMhXrTkB2FnwiPWMos2XJskovRpO
X-Received: by 10.60.133.71 with SMTP id pa7mr657843oeb.44.1379351469535;
 Mon, 16 Sep 2013 10:11:09 -0700 (PDT)
Received: from monkey-bot.int.fusionio.com ([209.117.142.2])
 by mx.google.com with ESMTPSA id d8sm32601598oeu.6.1969.12.31.16.00.00
 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128);
 Mon, 16 Sep 2013 10:11:09 -0700 (PDT)
Sender: Warner Losh <wlosh@bsdimp.com>
Subject: Re: random MIPS TLB exceptions?
Mime-Version: 1.0 (Apple Message framework v1085)
Content-Type: text/plain; charset=us-ascii
From: Warner Losh <imp@bsdimp.com>
In-Reply-To: <CAJ-VmomLM0BAvQ+s6_eP0QY+SH=xjf_K+B2GOdA=hiTJkucPAg@mail.gmail.com>
Date: Mon, 16 Sep 2013 11:11:07 -0600
Content-Transfer-Encoding: 7bit
Message-Id: <9FC7B7DD-3F0A-4B6F-83FC-04A01E55A8A0@bsdimp.com>
References: <CAJ-VmomLM0BAvQ+s6_eP0QY+SH=xjf_K+B2GOdA=hiTJkucPAg@mail.gmail.com>
To: Adrian Chadd <adrian@freebsd.org>
X-Mailer: Apple Mail (2.1085)
Cc: "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org>
X-BeenThere: freebsd-mips@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Porting FreeBSD to MIPS <freebsd-mips.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-mips>,
 <mailto:freebsd-mips-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-mips>
List-Post: <mailto:freebsd-mips@freebsd.org>
List-Help: <mailto:freebsd-mips-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-mips>,
 <mailto:freebsd-mips-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 16 Sep 2013 17:11:16 -0000


On Sep 16, 2013, at 2:09 AM, Adrian Chadd wrote:

> Hiya,
> 
> I just saw a random panic on MIPS in kernel code where it shouldn't occur.
> It hasn't happened after a reboot.
> 
> Has anyone else seen occasional TLB exceptions?

I haven't seen it on my Octeon board. What's the work load?

Warner