netdev - Re: packetloss, on e1000e worse than r8169?

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Date:	Tue, 17 Jun 2008 09:46:17 +0300
From:	Denys Fedoryshchenko <denys@...p.net.lb>
To:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
Cc:	"Eric Dumazet" <dada1@...mosbay.com>, netdev@...r.kernel.org
Subject: Re: packetloss, on e1000e worse than r8169?

On Tuesday 17 June 2008 02:24, Brandeburg, Jesse wrote:
First, i catch when tx_deferred_ok increasing, rx_missed_errors also increasing.  For example deffered +1 , missed_errors +10.
A bit strange.

> Try turning off Flow Control using ethtool -A ethX rx off tx off autoneg
> off
Well, seems it is a keypoint on new motherboard, but i have to see at peak time still (about 10-14 hours to go).

So the question is, or flow control is broken here, or it is unknown when i must use flow-control and when - not.

Once i had packetloss on e1000 gigabit link, without it. 
Now it is packetloss - when i start to use it.

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