[U-Boot] commit 620776d causes TFTP error: 'Unsupported option(s) requested' (8)

[Hannes Schmelzer]

Hi,

i've same problem.

Running tftp-hpa on Linux Mint 17.

cat /etc/default/tftpd-hpa
# /etc/default/tftpd-hpa
RUN_DAEMON="yes"
TFTP_USERNAME="tftp"
TFTP_DIRECTORY="/tftpboot/tseries"
TFTP_ADDRESS="0.0.0.0:69"
TFTP_OPTIONS="-l -s"


best regards,
Hannes


On 25.08.2015 09:40, Bin Meng wrote:
> Hi Joe,
>
> On Tue, Aug 25, 2015 at 12:24 PM, Joe Hershberger
> <joe.hershberger at gmail.com> wrote:
>> Hi Bin,
>>
>> On Mon, Aug 24, 2015 at 11:05 PM, Bin Meng <bmeng.cn at gmail.com> wrote:
>>> Hi Joe,
>>>
>>> On Tue, Aug 25, 2015 at 11:42 AM, Joe Hershberger
>>> <joe.hershberger at gmail.com> wrote:
>>>> Hi Bin,
>>>>
>>>> On Mon, Aug 24, 2015 at 9:25 PM, Bin Meng <bmeng.cn at gmail.com> wrote:
>>>>> Hi,
>>>>>
>>>>> With latest u-boot/master, TFTP is seriously broken.
>>>>>
>>>>> => tftp 100000 bzImage
>>>>> Speed: 100, full duplex
>>>>> Using pch_gbe device
>>>>> TFTP from server 10.10.0.8; our IP address is 10.10.0.100; sending
>>>>> through gateway 10.10.0.1
>>>>> Filename 'bzImage'.
>>>>> Load address: 0x100000
>>>>> Loading: T
>>>>> TFTP error: 'Unsupported option(s) requested' (8)
>>>>> Starting again
>>>> I'm guessing you are having an issue that the TFTP server you are
>>>> using for some reason does not allow a timeout as small as 10 ms. What
>>>> server are you testing against? Can you experiment and find the lowest
>>>> that it accepts? Maybe there is a compromise we can reach that still
>>>> works with most (all?) servers and also improves the behavior in a
>>>> lossy environment.
>>> I am using a CentOS server, with /etc/xinetd.d/tftp configuration below.
>>>
>>> service tftp
>>> {
>>>          socket_type             = dgram
>>>          protocol                = udp
>>>          wait                    = yes
>>>          user                    = root
>>>          server                  = /usr/sbin/in.tftpd
>>>          server_args             = -s /tftpboot
>>>          disable                 = no
>>>          per_source              = 11
>>>          cps                     = 100 2
>>>          flags                   = IPv4
>>> }
>>>
>>> I don't see an entry to change timeout settings.
>> I didn't mean to change the server settings; I meant can you adjust
>> the U-Boot code until your server doesn't reject the option?
>>
> I would like to revert this commit before we find a solution. Even if
> I find a proper value to get tftp work again in my network
> environment, we don't know if this commit breaks someone else's board.
> After all, this timeout value has been there for years (?), and I
> believe it is a safe value for all the boards that are actively
> maintained.
>
> [snip]
>
> Regards,
> Bin
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