From owner-freebsd-hackers@FreeBSD.ORG Sun Mar 28 14:42:20 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C226B106564A; Sun, 28 Mar 2010 14:42:20 +0000 (UTC) (envelope-from masoom.shaikh@gmail.com) Received: from mail-pw0-f54.google.com (mail-pw0-f54.google.com [209.85.160.54]) by mx1.freebsd.org (Postfix) with ESMTP id 818FD8FC13; Sun, 28 Mar 2010 14:42:20 +0000 (UTC) Received: by pwj4 with SMTP id 4so7839516pwj.13 for ; Sun, 28 Mar 2010 07:42:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:received:message-id:subject:from:to:cc:content-type; bh=Nmxd/t/qIc9Ik4ZBkwIHTWqHbRpQR29IEtMEt46joxg=; b=awQl/Ijs4Qn9DH/PXD05jQ6Gx/epkjSAtpZ7Nu9ToUSx+bOcylil4Wj0WS68XEpGeH erc60nZ4bSM+KqC8otwT9nUx250BPXc8mW8ztgEqzk184j6lPHrdk8JQF8tf9tzSHcTS 42qiFMJJX6r9OQ8s22PHC8TrIX8ramT/AW+2E= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=BYn3Lal9Ao/42NIWCsPdP0a2O3W3M2Cj1paVJsjRLXJKmkBbA42RvYysFQ93CUfjd2 8oIGEgo7Azd7jnuSS/6ge4nf/XoSHGXzJaGSsAZYOrPWacgpkdWd2W+LkqD66MDyaBeX NlsnQv5O3Z5PE63AmClVskwxPVbj/8VXUip9A= MIME-Version: 1.0 Received: by 10.114.191.6 with HTTP; Sun, 28 Mar 2010 07:42:19 -0700 (PDT) In-Reply-To: <9bbcef731003280503q4993e5b4ud8d874b8e9c376a9@mail.gmail.com> References: <9bbcef731003280503q4993e5b4ud8d874b8e9c376a9@mail.gmail.com> Date: Sun, 28 Mar 2010 14:42:19 +0000 Received: by 10.115.39.40 with SMTP id r40mr1793803waj.183.1269787339978; Sun, 28 Mar 2010 07:42:19 -0700 (PDT) Message-ID: From: Masoom Shaikh To: Ivan Voras Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-hackers@freebsd.org, freebsd-stable@freebsd.org, freebsd-questions@freebsd.org Subject: Re: random FreeBSD panics X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Mar 2010 14:42:20 -0000 On Sun, Mar 28, 2010 at 12:03 PM, Ivan Voras wrote: > On 28 March 2010 13:18, Masoom Shaikh wrote: >> On Sun, Mar 28, 2010 at 10:32 AM, Ivan Voras wrote: >>> Masoom Shaikh wrote: >>>> >>>> Hello List, >>>> >>>> I was a happy FreeBSD user, just before I installed FreeBSD8.0-RC1. Since >>>> then, system randomly just freezes, and there is no option other than hard >>>> boot. I guessed this will get solved in 8.0-RELEASE, but it was not :( >>> >>> I wild shot - did you try disabling superpages? >> >> umm, how do I do that ? > > Set > > vm.pmap.pg_ps_enabled=0 > > in /boot/loader.conf and reboot. Report back if it helps or not. > nopes, this didn't help too, machine freezed again after using for 30 minutes or so all it was doing is playing amarok, fetching sources from svn repos, and using firefox lets assume if this is h/w problem, then how can other OSes overcome this ? is there a way to make FreeBSD ignore this as well, let it result in reasonable performance penalty.