[U-Boot] NFS and timeouts?

[Tom Rini]

On Thu, Oct 13, 2016 at 04:52:14PM -0600, Simon Glass 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?

I see it on CPSW (am335x, dra7xx) and the USB smsc95xx on rpi3 and the
USB ASIX on omap3_beagle.

-- 
Tom
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