netdev - Re: tg3 adapter losing link

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Date:	Fri, 3 May 2013 19:39:50 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Nithin Nayak Sujir <nsujir@...adcom.com>
CC:	Nikola Ciprich <nikola.ciprich@...uxbox.cz>,
	<netdev@...r.kernel.org>
Subject: Re: tg3 adapter losing link - PM related?

On Fri, 2013-05-03 at 08:13 -0700, Nithin Nayak Sujir wrote:
> Hi Nikola,
> 1. What device is present on this server? Can you give the tg3 messages 
> in /var/log/messages? Can you also give the output of "ethtool -i <iface>"?
> 
> 2. Is it possible for you to try the latest 3.9 upstream kernel?
> 
> 3. Any reason why the link is at 100Mb? The switch does not support gig? 
> What switch is it?
> 
> 4. I don't think you can turn off EEE in the bios, but you can try 
> turning autoneg off. Try "ethtool -s <iface> speed 100 duplex full 
> autoneg off". It's not exactly the same thing since the device still has 
> EEE enabled but not negotiated.
[...]

It should be possible to disable EEE with ethtool.  You really should
implement the EEE configuration operations in tg3 if you're going to
enable it at all.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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