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Re: Au1550 ethernet throughput low

To: Matej Kupljen <>
Subject: Re: Au1550 ethernet throughput low
From: Pete Popov <>
Date: Thu, 14 Jul 2005 08:06:46 -0700
Cc:, linux-mips <>
In-reply-to: <>
Organization: Embedded Alley Solutions, Inc
Original-recipient: rfc822;
References: <1121270402l.7656l.3l@cavan> <>
On Thu, 2005-07-14 at 17:02 +0200, Matej Kupljen wrote:
> Hi
> > I've got a au1550 board based largely on the pb1550. The ethernet  
> > throughput is ~66Mbps using the 2.6 kernel. This also consumes a
> > lot of cpu cycles to send.

Completely different ethernet drivers. The 1550 throughput should be
very good. I haven't noticed any issues with 2.6 on my db1550 but I
haven't run netperf lately. I'll do it when I have a little time.


> I get low throughput with DB1200 also, although I did not measure
> it (yet). I noticed very slow NFS mounted rootfs and I get a lot of:
> NFS server not responding, still trying
> NFS server O.K.
> (Something like that, I do not have the board here right now).
> AMD supplies smc9111 driver in smc9111.c/h. Should I use
> this driver or is smc9x.c/h better?
> BR,
> Matej

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