Date: Wed, 29 Sep 2010 00:47:48 -0700 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: Don Lewis <truckman@FreeBSD.org> Cc: stable@FreeBSD.org, sterling@camdensoftware.com Subject: Re: CPU time accounting broken on 8-STABLE machine after a few hours of uptime Message-ID: <20100929074748.GB83194@icarus.home.lan> In-Reply-To: <201009290739.o8T7dnol061377@gw.catspoiler.org> References: <20100929070017.GA82362@icarus.home.lan> <201009290739.o8T7dnol061377@gw.catspoiler.org>
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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? > > <http://people.freebsd.org/~truckman/AN-M2_HD-8.1-STABLE-verbose.txt>; > > > 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 |
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