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Message-ID: <20130106102525.GA22151@1wt.eu>
Date: Sun, 6 Jan 2013 11:25:25 +0100
From: Willy Tarreau <w@....eu>
To: Eric Dumazet <eric.dumazet@...il.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Major network performance regression in 3.7
On Sun, Jan 06, 2013 at 10:24:35AM +0100, Willy Tarreau wrote:
> But before that I'll try to find the recent one causing the myri10ge to
> slow down, it should take less time to bisect.
OK good news here, the performance drop on the myri was caused by a
problem between the keyboard and the chair. After the reboot series,
I forgot to reload the firmware so the driver used the less efficient
firmware from the NIC (it performs just as if LRO is disabled).
That makes me think that I should try 3.8-rc2 since LRO was removed
there :-/
The only remaining issue really is the loopback then.
Cheers,
Willy
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