Re: [Gumstix-users] Serial Number

[Olof B. <olo...@tu...>]

On 21 sep 2006, at 17.02, Dave Hylands wrote:

> Hi Olof,
>
> On 9/21/06, Olof Backing <olo...@tu...> wrote:
>> On 21 sep 2006, at 08.32, Grahame Jordan wrote:
>>
>>> How do I enable the cpu serial number on the latest build-root
>>
>> I have also stumbled on this issue. For me/us it makes the use of =20
>> any ethernet port impossible since every gumstix gets the same =20
>> ethernet address, 02:00:00:00:00:1x, where x=3D1 for eth0, x=3D2 for =20=

>> eth1 and so on. Imagine what will happen with a network full of =20
>> gumstixs with duplicate ethernet addresses...
>
> Hmmm. Mine seems to be showing up.
>
> If I stop in u-boot and do
>
> echo ${serial#}
>
> then it shows me a serial number

Same with me - both in u-boot and fw_printenv(1) under Linux. I can =20
see the serial number.

> and after booting linux, if I do:
>
> cat /proc/cpuinfo
>
> the very last line shows the same serial number.

It's here that it differs: my board will end up with an all-zero =20
serial number.

> What version of u-boot do you have? and what version of buildroot =20
> are you using?

common:
u-boot 1.1.2

works:
linux kernel 2.6.11gum (pre-flashed from gumstix inc)

fails:
linux kernel 2.6.17gum (made by me from gumstix-buildroot revision 1092)

Regards, Olof
--=20
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