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Subject: Re: ppc: Sungem auto-negotiation problem
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Ajay Patel <patela@gmail.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
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Date: Thu, 28 Jul 2005 10:03:18 +0100
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On Wed, 2005-07-27 at 11:34 -0700, Ajay Patel wrote:
> Hi,
> 
> I have a PowerMac G5. (Newer Model with SMU).
> It has a  Sungem ethernet with "PHY ID: 2060d2".
> 
> When this ethernet is connected to 
> "Tigon3 [partno(BCM95704A6) rev 2002 PHY(5704)] " or
> to the cisco switch, The PowerMac declares link up with
> 100 Mbs, while the other end declares link up  with 1000Mbs.
> In this setup both end cannot ping each other.
> 
> If I lower the speed of Tigon based adapter or Cisco's switch
> port to 100Mbs, both end can ping each other.
> 
> Is it a bug? or Am I missing something?

I posted a patch that might fix it a while ago. What kernel version have
you tested specifically ?

Ben.