From owner-freebsd-hackers@FreeBSD.ORG  Sat Jul 10 02:59:49 2004
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Date: Fri, 9 Jul 2004 22:59:46 -0400
From: Brian Fundakowski Feldman <green@freebsd.org>
To: Jonathan Chen <jon@freebsd.org>
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cc: freebsd-hackers@freebsd.org
Subject: Re: bge on 64-bit pci: corrupt packets
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On Thu, Jul 01, 2004 at 10:48:29PM -0400, Jonathan Chen wrote:
> Hi all,
> 
> I've been experiencing a problem with using bge on 64-bit pci slots.  After 
> looking at this for the whole day, I still have no idea what the problem 
> is.  Perhaps one of you can help...

If you suspect it to be an alignment problem, it's easy to test.  Look for
the bus_dma_tag_create() calls -- all of them use PAGE_SIZE (4096+) or
ETHER_ALIGN (2).  Did you try changing the ETHER_ALIGNS to 8?

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green@FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\