From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] Revert "net: fec: fix the warning found by dma debug" Date: Fri, 13 Mar 2015 13:10:50 -0400 (EDT) Message-ID: <20150313.131050.1339443777953236469.davem@davemloft.net> References: <1426266474-6018-1-git-send-email-festevam@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=koi8-r Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: b38611@freescale.com, netdev@vger.kernel.org, rockford@yandex.ru, fabio.estevam@freescale.com To: festevam@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:51762 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752730AbbCMRKw convert rfc822-to-8bit (ORCPT ); Fri, 13 Mar 2015 13:10:52 -0400 In-Reply-To: <1426266474-6018-1-git-send-email-festevam@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: =46rom: Fabio Estevam Date: Fri, 13 Mar 2015 14:07:54 -0300 > From: Fabio Estevam >=20 > This reverts commit 2b995f63987013bacde99168218f9c7b252bdcf1. >=20 > =F0=C1=CE=CF=D7 =E1=CE=C4=D2=C5=CA reported the following regression: >=20 > "Commit 2b995f63987013bacde99168218f9c7b252bdcf1 in 4.0.0-rc3 introdu= ces a > nasty bug in transmit, corrupting packets. >=20 > To reproduce: >=20 > $ dd if=3D/dev/zero of=3Dzeros bs=3D1M count=3D20 > $ md5sum -b zeros > 8f4e33f3dc3e414ff94e5fb6905cba8c *zeros >=20 > This checksum is correct. >=20 > Copy file "zeros" to another host with NFS, and it gets corrupted, ch= ecksum is > changed. > File should be big, small amounts of transmit isn't affected. >=20 > I use an i.MX6 Quad board. >=20 > If this commit is reverted, all works fine." >=20 > Reported-by: =F0=C1=CE=CF=D7 =E1=CE=C4=D2=C5=CA > Signed-off-by: Fabio Estevam Applied, thanks.