From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: [PATCH net 0/2] net: marvell: Fix highmem support on non-TSO path Date: Thu, 22 Jan 2015 23:06:23 +0000 Message-ID: <20150122230622.GA14472@n2100.arm.linux.org.uk> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Ezequiel Garcia , netdev@vger.kernel.org, David Miller , B38611@freescale.com, fabio.estevam@freescale.com To: Dean Gehnert Return-path: Received: from pandora.arm.linux.org.uk ([78.32.30.218]:47054 "EHLO pandora.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753036AbbAVXGa (ORCPT ); Thu, 22 Jan 2015 18:06:30 -0500 Content-Disposition: inline In-Reply-To: <20150122214910.GD26493@n2100.arm.linux.org.uk> Sender: netdev-owner@vger.kernel.org List-ID: 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. -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net.