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Date: Thu, 2 Nov 2006 14:09:29 -0800
From: "Jack Vogel" <jfvogel@gmail.com>
To: "Craig Boston" <craig@feniz.gank.org>, freebsd-stable@freebsd.org
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Subject: Re: New em driver breaks jumbo frames
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Yes, this is the second report I've had, other came to me personally.
I'm looking into it.

Jack


On 11/2/06, Craig Boston <craig@feniz.gank.org> wrote:
> Don't have much time right now, but wanted to report that the new em
> driver in -STABLE breaks jumbo frame support for me.  With it in the
> kernel and this card:
>
> em1: <Intel(R) PRO/1000 Network Connection Version - 6.2.9> port 0xe8c0-0xe8ff mem 0xfe180000-0xfe19ffff irq 18 at device 12.0 on pci2
>
> I'm unable to send an ethernet frame bigger than 2034 bytes, no matter
> what the mtu is set to.  No errors, no kernel messages, it just doesn't
> go out.  tcpdump on both local and remote side show nothing at all.
>
> Reverting to the previous driver fixed it.
>
> Craig
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