[Linaro-validation] Using ip=dhpc is evil

[Alexander Sack]

On Tue, Mar 13, 2012 at 2:37 PM, Zygmunt Krynicki <
zygmunt.krynicki at linaro.org> wrote:

> W dniu 13.03.2012 14:35, Loïc Minier pisze:
>
>  On Tue, Mar 13, 2012, Zygmunt Krynicki wrote:
>>
>>> I'm trying to use my snowball for development testing. It seems that
>>> having kernel command line specify ip=dhpc is evil as that makes all
>>> of the userspace network configuration not to happen.
>>>
>>> When this happens ifup scripts are not executed and ntpdate is never
>>> invoked. I have not debugged this correctly yet but that seems to be
>>> the case for me.
>>>
>>
>>  ip=dhcp is typically meant for NFS root, or sometimes when you're just
>>  starting an initrd and would like the kernel to configure the network
>>  interface for you, but it's usually a bad idea for anything else; would
>>  be best to stop passing this and use the network setup of the rootfs.
>>
>
> Right. I've found that this option is somehow provided by default on my V1
> (no typo here) snowball with the current desktop image. It would be prudent
> to check if any other boards are affected.


That's part of the hwpack meta info, no? If so, bark at Ricardo's tree
(CCed) :). I agree that adding ip=dhcp by default feels incorrect, but I
don't know the background...

-- 
Alexander Sack
Technical Director, Linaro Platform Teams
http://www.linaro.org | Open source software for ARM SoCs
http://twitter.com/#!/linaroorg - http://www.linaro.org/linaro-blog
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