[U-Boot] NFS and timeouts?

[Tom Rini]

On Fri, Oct 14, 2016 at 11:13:11AM +0200, Guillaume Gardet wrote:
> Hi,
> 
> 
> Le 14/10/2016 à 01:00, Joe Hershberger a écrit :
> >On Fri, Oct 14, 2016 at 12:52 AM, Simon Glass <sjg at chromium.org> wrote:
> >>Hi Tom,
> >>
> >>On 13 October 2016 at 13:11, Tom Rini <trini at konsulko.com> wrote:
> >>>Hey all,
> >>>
> >>>I've noticed now, but not dug into a problem that goes like this.  On
> >>>every platform that I have tried NFS on now (and I wasn't a user before
> >>>the test came in) I see:
> >>># nfs 80000000 /tftpboot/1MiBtest.bin
> >>>link up on port 0, speed 1000, full duplex
> >>>#################################################################
> >>>          #################################################################
> >>>          #################################################################
> >>>          ##########T T T T
> >>>done
> >>>Bytes transferred = 1048576 (100000 hex)
> >>>
> >>>for the same 1MiB file.  The link line will vary from board to board but
> >>>the end result is that I always see 4 T (for timeout) at the end of the
> >>>transfer.  On boards where I am doing this on gigabit the initial
> >>>transfer is fast enough that the timeout doesn't cause failure.  On the
> >>>boards where I'm at 100Mbit instead however, I fail.
> >>I have seen this also - what type of interface are you using?
> >Does this happen in your testing, Guillaume?
> >
> 
> No, I never saw those timeouts. I will try to reproduce here.
> On which boards does it happen?

AM335x GP EVM, DRA72x EVM ("J6 Eco"), Beagleboard xM, RPi 3 (32 or 64bit
mode).  I suspect it's something either config or network related.
Everything is on the same 24 port gigabit switch.

-- 
Tom
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