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From: John Baldwin <jhb@freebsd.org>
To: Konstantin Belousov <kostikbel@gmail.com>
Date: Mon, 9 Apr 2012 12:19:39 -0400
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	(bigwig.baldwin.cx); Mon, 09 Apr 2012 12:34:50 -0400 (EDT)
Cc: jfv@freebsd.org, Jack Vogel <jfvogel@gmail.com>, net@freebsd.org
Subject: Re: 82574L hangs (with r233708 e1000 driver).
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On Sunday, April 08, 2012 1:11:25 am Konstantin Belousov wrote:
> On Sat, Apr 07, 2012 at 04:22:07PM -0700, Jack Vogel wrote:
> > Make sure you have any firmware up to the latest available, if that doesn't
> > help
> > let me know and I'll check internally to see if there are any outstanding
> > issues
> > in shared code,  that will be after the weekend.
> 
> I had BIOS rev. 151, after you hint I found rev. 154 on the site.
> Now BIOS reports itself as MTCDT10N.86A.0154.2012.0323.1601,
> March 23.
> 
> Unfortunately, upgrade did not changed anything in regard of hanging
> interface.

Does reverting 233708 make any difference?  Have you tried futzing around with
kgdb when it is hung to see what state the device is in (software state at
least)?

-- 
John Baldwin