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Date:	Mon, 10 Mar 2008 18:01:24 -0700
From:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
To:	"Ben Greear" <greearb@...delatech.com>
Cc:	<netdev@...r.kernel.org>
Subject: RE: Ixgbe question

Ben Greear wrote:
> I have a pair of IXGBE NICs in a system, and notice a strange
> case where the NIC is not always 'UP' after my programs finish
> trying to configure it.  I haven't noticed this with any other
> NICs, but I also just moved to 2.6.23.17 from 23.9 and 23.14.
> 
> I see this in the logs:
> 
> ADDRCONF(NETDEV_UP): eth0: link is not ready
> 
> It would seem to me that we should be able to set the admin
> state to UP, even if the link is not up??
> 
> Kernel is 2.6.23.17 plus my hacks.   Ixgbe driver is version
> 1.3.7.8-lro. 
> 
> Hardware is quad-core Intel, 2 build-in e1000, 2-port ixgbe (CX4)
> chipset NIC 
> on a pcie riser.

addrconf_notify() is printing that message, and I see it if you enable
IPv6 on an interface.  I don't think it is ixgbe specific.

it doesn't depend or preclude administrative UP, it is from the notify
handler getting a NETDEV_UP message, regardless of link state. 

you'll see some other message like:
ADDRCONF(NETDEV_CHANGE): eth6: link becomes ready

when you plug in the cable, all courtesy of Ipv6

Jesse
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