[U-Boot] TFTP pause and timeout on MX28 platforms

Marek Vasut
2013-03-13T10:58:36Z

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.

Best regards,
Marek Vasut