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Date: Fri, 9 Jul 2010 11:18:04 -0700
Message-ID: <AANLkTin7P9ayfJXyzQZbqq3WVXmFylspMiik1U-9-dD_@mail.gmail.com>
From: Jack Vogel <jfvogel@gmail.com>
To: Chris Buechler <cbuechler@gmail.com>
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Cc: pyunyh@gmail.com, =?ISO-8859-1?Q?Ermal_Lu=E7i?= <eri@freebsd.org>,
	net@freebsd.org
Subject: Re: page fault in igb on 8.1
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On Fri, Jul 9, 2010 at 11:05 AM, Chris Buechler <cbuechler@gmail.com> wrote:

> On Fri, Jul 9, 2010 at 12:18 PM, Jack Vogel <jfvogel@gmail.com> wrote:
> > Is this kernel 32 bit?
>
> It does exactly the same with 32 and 64 bit.
>
> > And is my code altered, it seemed some debug I saw
> > was
> > not familiar.
>
> Nothing in sys/dev/e1000 is changed. Copying Ermal who wrote most/many
> of the changes. They don't touch anything in igb, so it should be the
> same as stock 8.1. I'm having a stock 8.1-RC2 installed to verify
> that.
>
>
> > Last, can you try the code in HEAD to see if it changes
> > anything.
> >
>
> Will try that next, thanks.
>
> Chris
>

Also, I noticed WITNESS was on, if you turn it off does the problem
go away?  I'm not sure if the fault is actually due to igb or you just
see the lock complaint when you have a fault for other reasons.

Jack