From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hector Palacios Date: Wed, 13 Mar 2013 16:47:55 +0100 Subject: [U-Boot] TFTP pause and timeout on MX28 platforms In-Reply-To: <201303131158.36796.marex@denx.de> References: <51404AFE.6000502@digi.com> <201303131158.36796.marex@denx.de> Message-ID: <51409FAB.3080400@digi.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear Marek Vasut, On 03/13/2013 11:58 AM, Marek Vasut wrote: > Dear Hector Palacios, > >> Hello, >> >> When doing large TFTP downloads (files bigger than 10MiB) on my MX28 >> platform I'm sometimes experiencing pauses and timeouts. U-Boot will >> eventually restart the transmission and sometimes may successfully >> complete the download, but other times it won't. >> On my platform it was somewhat mitigated (but not resolved) by reverting >> this patch from Marek: >> >> commit 67449098a86be18cbdb27345bebe8da57e5d8899 >> Author: Marek Vasut >> Date: Wed Aug 29 03:49:50 2012 +0000 >> >> FEC: Rework the TX wait mechanism >> >> The problem is reproducible in Freescale's MX28EVK. >> The larger the file, the more chances to see the problem. Please try with >> 50MiB files or larger. Has anybody else seen it? >> >> On an old U-Boot v2009 TFTP transmission was twice slower than with v2013, >> but didn't suffer from this. > > What version of u-boot do you use ? It was resolved in recent versions. I'm using v2013.01. Could you please point me to the commit(s) that solve it? The commits I see on drivers/net/fec_mxc.c after v2013.01 are from Troy Kisky and don't seem to address this. Thank you, -- H?ctor Palacios