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Date:      Thu, 25 Jan 2007 05:39:04 -0800
From:      Jeremy Chadwick <koitsu@FreeBSD.org>
To:        Robin Gruyters <r.gruyters@yirdis.nl>
Cc:        freebsd-stable@FreeBSD.org
Subject:   Re: bge Ierr rate increase from 5.3R -> 6.1R
Message-ID:  <20070125133904.GA30161@icarus.home.lan>
In-Reply-To: <20070125120722.si80d0rao8o8ow8w@server.yirdis.net>
References:  <20070124105741.cj2htvoxcs4gg8wk@server.yirdis.net> <20070124141737.GA7772@icarus.home.lan> <20070124152537.gk06yc8d3k8gwgo0@server.yirdis.net> <20070124150143.GA8460@icarus.home.lan> <20070125120722.si80d0rao8o8ow8w@server.yirdis.net>

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On Thu, Jan 25, 2007 at 12:07:22PM +0100, Robin Gruyters wrote:
> Quoting Jeremy Chadwick <koitsu@FreeBSD.org>:
> [...]
> >
> >Set your Cisco configuration to use 100/full, and edit the
> >ifconfig_bge0 line in rc.conf on your FreeBSD box to have "media
> >100baseTX mediaopt full-duplex", then reboot the FreeBSD box.
> >If the problem continues, there may be faulty cabling, but
> >usually errors on one direction are a sign of duplex mismatch.
> >If after replacing the cabling the issue continues, then there's
> >a chance the bge(4) driver may be obtaining statistics wrong for
> >the particular chip revision being used (this is hearsay on my
> >part; I'm just guessing...)
> >
> Ok, I have set the Cisco port to 100/full-duplex and update the bge*  
> interfaces on the development server, but the problem still exists.
> 
> I have also updated the other server, which is connected to another  
> Cisco switch, but the same results.

Okay so at least we know it's not specific to your switch, or
to auto-neg nor the cabling (two different switches + boxes with
the same problem probably isn't your fault.  :) ).  That's definitely
evidence that it's a driver problem, probably specific to the 5704
(since I have two machines using 5750s without this problem).

Looks like we'll need someone with the Broadcom data sheet for
the 5704 to help out.  There's also the Bill Paul <wpaul@windriver.com>
and David Christensen <davidch@broadcom.com> (who worked on bce(4),
but might know of some details here...)

-- 
| Jeremy Chadwick                                 jdc at 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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