netdev - Re: Strange latency spikes/TX network stalls on Sun Fire X4150(x86) and e1000e

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Message-ID: <1338304311.2840.37.camel@edumazet-glaptop>
Date:	Tue, 29 May 2012 17:11:51 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Tom Herbert <therbert@...gle.com>
Cc:	Hiroaki SHIMODA <shimoda.hiroaki@...il.com>,
	Denys Fedoryshchenko <denys@...p.net.lb>,
	netdev@...r.kernel.org, e1000-devel@...ts.sourceforge.net,
	jeffrey.t.kirsher@...el.com, jesse.brandeburg@...el.com,
	davem@...emloft.net
Subject: Re: Strange latency spikes/TX network stalls on Sun Fire
 X4150(x86) and e1000e

On Tue, 2012-05-29 at 07:54 -0700, Tom Herbert wrote:
> Thanks Hiroaki for this description, it looks promising.  Denys, can
> you test with his patch.
> 
> Tom

Indeed this sounds good.

Hmm, I guess my e1000e has no FLAG2_DMA_BURST in adapter->flags2


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