From owner-freebsd-stable@FreeBSD.ORG Wed Sep 29 07:47:49 2010 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E850D106566C for ; Wed, 29 Sep 2010 07:47:49 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from qmta15.emeryville.ca.mail.comcast.net (qmta15.emeryville.ca.mail.comcast.net [76.96.27.228]) by mx1.freebsd.org (Postfix) with ESMTP id B5B918FC15 for ; Wed, 29 Sep 2010 07:47:49 +0000 (UTC) Received: from omta08.emeryville.ca.mail.comcast.net ([76.96.30.12]) by qmta15.emeryville.ca.mail.comcast.net with comcast id CXWo1f0010FhH24AFXnpdF; Wed, 29 Sep 2010 07:47:49 +0000 Received: from koitsu.dyndns.org ([98.248.41.155]) by omta08.emeryville.ca.mail.comcast.net with comcast id CXno1f0093LrwQ28UXnowE; Wed, 29 Sep 2010 07:47:49 +0000 Received: by icarus.home.lan (Postfix, from userid 1000) id 8DFC89B418; Wed, 29 Sep 2010 00:47:48 -0700 (PDT) Date: Wed, 29 Sep 2010 00:47:48 -0700 From: Jeremy Chadwick To: Don Lewis Message-ID: <20100929074748.GB83194@icarus.home.lan> References: <20100929070017.GA82362@icarus.home.lan> <201009290739.o8T7dnol061377@gw.catspoiler.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201009290739.o8T7dnol061377@gw.catspoiler.org> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: stable@FreeBSD.org, sterling@camdensoftware.com Subject: Re: CPU time accounting broken on 8-STABLE machine after a few hours of uptime 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 07:47:50 -0000 On Wed, Sep 29, 2010 at 12:39:49AM -0700, Don Lewis wrote: > On 29 Sep, Jeremy Chadwick wrote: > > > Given all the information here, in addition to the other portion of the > > thread (indicating ntpd reports extreme offset between the system clock > > and its stratum 1 source), I would say the motherboard is faulty or > > there is a system device which is behaving badly (possibly something > > pertaining to interrupts, but I don't know how to debug this on a low > > level). > > Possible, but I haven't run into any problems running -CURRENT on this > box with an SMP kernel. > > > Can you boot verbosely and provide all of the output here or somewhere > > on the web? > > > > > If possible, I would start by replacing the mainboard. The board looks > > to be a consumer-level board (I see an nfe(4) controller, for example). > > It's an Abit AN-M2 HD. The RAM is ECC. I haven't seen any machine > check errors in the logs. I'll run prime95 as soon as I have a chance. Thanks for the verbose boot. Since it works on -CURRENT, can you provide a verbose boot from that as well? Possibly someone made some changes between RELENG_8 and HEAD which fixed an issue, which could be MFC'd. -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |