[U-Boot] NFS and timeouts?
Guillaume Gardet
guillaume.gardet at free.fr
Wed Oct 19 15:55:21 CEST 2016
Hi,
Le 14/10/2016 à 15:40, Tom Rini a écrit :
> 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.
>
I just tried 2016.11-rc2 on a Beagleboard xM with:
* nfs download from a NFSv2 server
* nfs download from a NFSv3 server
* tftpboot download from a TFTP server
And all are working fine here.
Guillaume
More information about the U-Boot
mailing list