Re: TG3 network data corruption regression 2.6.24/2.6.23.4

From: Michael Chan
Date: Mon Feb 18 2008 - 19:29:58 EST


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.

>
> commit fb93134dfc2a6e6fbedc7c270a31da03fce88db9
> Author: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> Date: Wed Nov 14 15:45:21 2007 -0800
>
> [TCP]: Fix size calculation in sk_stream_alloc_pskb
>
>

> I do not get data corruption when substituting a SysKonnect 9D21 NIC
> (which also uses the tg3.ko driver)

What Broadcom chip is on the Syskonnect card?



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