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Date:      Thu, 14 Jun 2007 20:41:20 -0400
From:      Kris Kennaway <kris@obsecurity.org>
To:        Yong Rao <yrao@force10networks.com>
Cc:        Jagjit Choudhary <jagjit@force10networks.com>, freebsd-smp@freebsd.org, Kris Kennaway <kris@obsecurity.org>
Subject:   Re: FreeBSD-6.2, SMP, coredump -- fatal trap 12 : page fault while in kernel mode, current process: (swi1:net)
Message-ID:  <20070615004120.GA95169@rot13.obsecurity.org>
In-Reply-To: <1818EFE74C4A8A4292E05835D378EC66130205@EXCH-CLUSTER-07.force10networks.com>
References:  <1818EFE74C4A8A4292E05835D378EC66130055@EXCH-CLUSTER-07.force10networks.com> <20070614024333.GA70019@rot13.obsecurity.org> <1818EFE74C4A8A4292E05835D378EC66130074@EXCH-CLUSTER-07.force10networks.com> <20070614190603.GA89528@rot13.obsecurity.org> <1818EFE74C4A8A4292E05835D378EC66130205@EXCH-CLUSTER-07.force10networks.com>

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On Thu, Jun 14, 2007 at 04:37:43PM -0700, Yong Rao wrote:
> Hi Kris,
> 
> We are wondering if there is any connection between the core dump
> failure and the options DEVICE_POLLING? In our kernel, we have options
> DEVICE_POLLING, and in our driver (Ethernet) we have the
> ether_poll_register() function (not registered yet). Do you know if
> there is any problem with this? (Using polling mode and SMP
> simultaneously)

I am not sure, sorry.  I don't use this option myself.

Kris



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