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Date:	Mon, 18 Feb 2008 16:35:54 -0800 (PST)
From:	David Miller <>
Subject: Re: TG3 network data corruption regression 2.6.24/

From: "Michael Chan" <>
Date: Mon, 18 Feb 2008 16:32:00 -0800

> On Mon, 2008-02-18 at 17:41 -0500, Tony Battersby wrote:
> > I am experiencing network data corruption with a 3Com 3C996B-T NIC
> > (Broadcom NetXtreme BCM5701; driver tg3.ko).  I have identified the
> > following patch as the trigger:
> Assuming this problem is unique to the 5701, I'm not sure how it is
> exposed by Herbert's patch.  One thing unique on the 5701 is that it
> double-copies all RX packets so that the data starts at offset 2, but
> that's quite unrelated to the patch below.

One consequence of Herbert's change is that the chip will see a
different datastream.  The initial skb->data linear area will be
smaller, and the transition to the fragmented area of pages will be
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