From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dean Gehnert Subject: Re: [PATCH net 0/2] net: marvell: Fix highmem support on non-TSO path Date: Thu, 22 Jan 2015 15:09:31 -0800 Message-ID: <54C1832B.9080506@tpi.com> References: <1421844850-30886-1-git-send-email-ezequiel.garcia@free-electrons.com> <20150121150159.GS26493@n2100.arm.linux.org.uk> <54C1443C.80909@tpi.com> <20150122210951.GC26493@n2100.arm.linux.org.uk> <54C16B43.5040504@tpi.com> <20150122214910.GD26493@n2100.arm.linux.org.uk> <20150122230622.GA14472@n2100.arm.linux.org.uk> Reply-To: deang@tpi.com Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: Ezequiel Garcia , netdev@vger.kernel.org, David Miller , B38611@freescale.com, fabio.estevam@freescale.com To: Russell King - ARM Linux Return-path: Received: from mail.tpi.com ([74.45.170.26]:55086 "EHLO mail.tpi.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751597AbbAVXJc (ORCPT ); Thu, 22 Jan 2015 18:09:32 -0500 In-Reply-To: <20150122230622.GA14472@n2100.arm.linux.org.uk> Sender: netdev-owner@vger.kernel.org List-ID: On 01/22/2015 03:06 PM, Russell King - ARM Linux wrote: > On Thu, Jan 22, 2015 at 09:49:10PM +0000, Russell King - ARM Linux wrote: >> On Thu, Jan 22, 2015 at 01:27:31PM -0800, Dean Gehnert wrote: >>> Can you can try the SOCAT test on your Dove platform and see if that passes >>> the non-cache line aligned test case? I think what the SOCAT test does is >>> take the NFS "variable" out of the equation. My theory is that if there is a >>> DMA corruption, then hard telling what kinds of problems will occur. It >>> might be the payload of a file is corrupted, or if the NFS structures are >>> corrupted, it could manifest itself as a problem in the NFS code. >> Anyway, I'm running the test now, but I had to change the socat line to: >> >> # socat -b$(((1024*10)+1)) -u open:ExpectData.in TCP:192.168.1.212:4000 >> >> The receiving end is getting: >> >> 4a4727232209b85badc1ca25ed4df222 - >> 4a4727232209b85badc1ca25ed4df222 - >> 4a4727232209b85badc1ca25ed4df222 - >> 4a4727232209b85badc1ca25ed4df222 - >> 4a4727232209b85badc1ca25ed4df222 - >> ... > It's been running for about an hour now with no sign of any problem. > It should show the problem in the 1st or 2nd iteration and then continue after that... I don't think your Dove shows the problem.