netdev - [v4.3.0-rc2->3] Regression: BIG networking performance loss

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Message-ID: <CADDKRnDgTkFudt-rsCCPub5iK=1hbmUUaxqrEO+_sg7JarEUQw@mail.gmail.com>
Date:	Tue, 29 Sep 2015 18:32:03 +0200
From:	Jörg Otte <jrg.otte@...il.com>
To:	"David S. Miller" <davem@...emloft.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Network Development <netdev@...r.kernel.org>
Subject: [v4.3.0-rc2->3] Regression: BIG networking performance loss

With kernels vmlinuz-4.3.0-rc2-00228-gd4a748a and earlier it is no
problem for me to stream HD-videos (700-800 Kbyte/s) from YouTube.

With the same video material and kernels
vmlinuz-4.3.0-rc2-00438-gd8cc397 and later I only reach 70-80 KByte/s.
That's a one-tenth than before.

The merges between 00228 -> 00438 are:
d8cc397 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
c91d707 Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
bcba282 Merge tag 'usb-4.3-rc3' of
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
fb740f9 Merge tag 'tty-4.3-rc3' of
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
b11e7b8 Merge tag 'staging-4.3-rc3' of
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
7c1efea Merge tag 'driver-core-4.3-rc3' of
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
64b796e Merge tag 'char-misc-4.3-rc3' of
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
518a7cb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411
PCI Express Gigabit Ethernet Controller (rev 07)
Driver:r8169.

Thanks, Jörg
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