linux-kernel - RE: [E1000-devel] Linux 2.6.35.6/e1000e does not receive replies from DHCP server, 2.6.33 works

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Message-ID: <EA929A9653AAE14F841771FB1DE5A13660222E867B@rrsmsx501.amr.corp.intel.com>
Date:	Wed, 29 Sep 2010 17:40:08 -0600
From:	"Tantilov, Emil S" <emil.s.tantilov@...el.com>
To:	Sami Farin <safari-kernel@...ari.iki.fi>,
	Sami Farin <hvtaifwkbgefbaei@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>
Subject: RE: [E1000-devel] Linux 2.6.35.6/e1000e does not receive replies
 from DHCP server, 2.6.33 works

Sami Farin wrote:
> False alarm, 2.6.35.6+latest git e1000e does not work any better.
> I was just lucky.

Is your `latest git` from Linus or net-next tree? All of our latest patches go into net-next, so if you haven't already - give it a try and see if it resolves your issue.

> 
> One thing what was common, when it works, I get this line a little
> time before dhclient start working:
> 
> eth0: IPv6 duplicate address fe80::219:d1ff:fe00:5f01 detected!

I have a system with the same device ID (it is not the same board) and could not reproduce any issues with DHCP on 2.6.35.6 kernel. 

Aside from checking the latest net-next tree, there are some other things to look into:

1. Is AMT enabled - there is usually a manageability tab/option in the BIOS. If you have that option try enabling/disabling it and see if it makes a difference.

2. Make sure your BIOS is up to date.

If any of the above does not help your situation please file a bug at e1000.sf.net and include the following information:

1. lspci -vvv
2. ethtool -e eth0
3. there is a tool call ethregs which you can download from this site. If you can include the output of ethregs -s 00:19.0 
4. kernel config
5. anything that you think may be related - like setup, type of traffic etc.

Thanks,
Emil--
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