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Date: Mon, 22 Sep 2008 19:23:49 +0200
From: Jarek Poplawski <jarkao2@gmail.com>
To: Badalian Vyacheslav <slavon@bigtelecom.ru>
Cc: Denys Fedoryshchenko <denys@visp.net.lb>, netdev@vger.kernel.org,
       linux-kernel@vger.kernel.org
Subject: Re: Machine Check Exception Re: NetDev! Please help!
Message-ID: <20080922172349.GA2545@ami.dom.local>
References: <48D4F85C.8090709@bigtelecom.ru> <200809202111.01256.denys@visp.net.lb> <48D67239.9040006@gmail.com> <48D7385D.40107@bigtelecom.ru> <20080922065339.GA4399@ff.dom.local> <48D76813.9000603@bigtelecom.ru> <20080922112452.GB5314@ff.dom.local> <48D79709.80400@bigtelecom.ru>
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On Mon, Sep 22, 2008 at 05:00:57PM +0400, Badalian Vyacheslav wrote:
> 
> > BTW: could you try to trigger this bug with one network card off?
> >   
> 
> 
> Shire! I stop eth1 and do "/etc/init.d/bgpd stop" (this pc not get route
> traffic anymore)....
> 
> run "emerge portage" 2 times and get:
> 
> [25492.187405] CPU 3: Machine Check Exception: 0000000000000005
> [25492.187405] MCE: The hardware reports a non fatal, correctable
> incident occurred on CPU 1.
> [25492.187405] Bank 0: b200004000000800
> [25492.187405] MCE: The hardware reports a non fatal, correctable
> incident occurred on CPU 1.
> [25492.187405] Bank 5: b200120014040400
> [25497.124884] CPU 1: Machine Check Exception: 0000000000000004
> [25497.124884] Kernel panic - not syncing: Unable to continue
> [25497.124884] Rebooting in 3 seconds..
> 
> bugtracker updated.... i can get (reproduce) error on all 10 servers at
> 2.6.26.5... I use TC and not wont test 2.6.27-rc because its have (if i
> understand) multiqueue feature that not tested...

Actually, it's quite well tested, especially by Denys, and I doubt it
will be much better in 2.6.27. BTW, maybe start eth1, stop eth0 yet?

Thanks,
Jarek P.