From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] TFTP pause and timeout on MX28 platforms
Date: Wed, 13 Mar 2013 17:19:32 +0100 [thread overview]
Message-ID: <201303131719.32450.marex@denx.de> (raw)
In-Reply-To: <51409FAB.3080400@digi.com>
Dear Hector Palacios,
> 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 <marex@denx.de>
> >> 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.
commit c0b5a3bbb0cd40a6b23b7b07e2182a5bcdc8c31c
Author: Marek Vasut <marex@denx.de>
Date: Wed Aug 29 03:49:51 2012 +0000
FEC: Replace magic contants
and the three before this one. Is your PHY operating correctly? This fixed the
hangs on multiple MX28 platforms for me.
> Thank you,
Best regards,
Marek Vasut
next prev parent reply other threads:[~2013-03-13 16:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-13 9:46 [U-Boot] TFTP pause and timeout on MX28 platforms Hector Palacios
2013-03-13 10:58 ` Marek Vasut
2013-03-13 15:47 ` Hector Palacios
2013-03-13 16:19 ` Marek Vasut [this message]
2013-03-13 16:31 ` Hector Palacios
2013-03-13 16:52 ` Marek Vasut
2013-03-13 17:14 ` Hector Palacios
2013-03-13 18:10 ` Marek Vasut
2013-03-14 12:05 ` Hector Palacios
2013-03-14 12:31 ` Marek Vasut
2013-03-14 13:28 ` Fabio Estevam
2013-03-13 18:52 ` Fabio Estevam
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201303131719.32450.marex@denx.de \
--to=marex@denx.de \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox