netdev - Extremely bad performance with RTL8111/8168B

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Message-ID: <20130708095459.GA29788@amd.pavel.ucw.cz>
Date:	Mon, 8 Jul 2013 11:54:59 +0200
From:	Pavel Machek <pavel@....cz>
To:	nic_swsd@...ltek.com, romieu@...zoreil.com, netdev@...r.kernel.org
Subject: Extremely bad performance with RTL8111/8168B

Hi!

I've small Intel desktop with RTL8111/8168B ethernet... but the
performance is extremely bad.

In 3.10, I only get about 200KB/sec:

pavel@amd:~$ scp /tmp/delme pavel@duo:/tmp
pavel@...'s password: 
delme                                               100%   16MB
236.0KB/s   01:09    

In older version, I get 1MB/s, but network fails every 10 minutes or
so. Card is:

03:00.0 Ethernet controller: Realtek Semiconductor Co.,
Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 03)

I did install firmware-realtek package as suggested by debian
installer.

Dmesg says:

r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
r8169 0000:03:00.0 eth0: RTL8168d/8111d at 0xf8010000,
00:27:0e:2a:43:71, XID 081000c0 IRQ 17
r8169 0000:03:00.0 eth0: jumbo features [frames: 9200 bytes, tx
checksumming: ko]

Any ideas what is wrong?

Thanks,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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