[Linaro-validation] Using ip=dhpc is evil
ricardo.salveti at linaro.org
Wed Mar 14 06:29:15 UTC 2012
On Tue, Mar 13, 2012 at 11:20 AM, Zygmunt Krynicki
<zygmunt.krynicki at linaro.org> wrote:
> W dniu 13.03.2012 14:49, Alexander Sack pisze:
>> On Tue, Mar 13, 2012 at 2:37 PM, Zygmunt Krynicki
>> <zygmunt.krynicki at linaro.org <mailto: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
>> 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
>> 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...
> I'll try to figure out where it comes from. If anyone wants to help have a
> look at this:
>From your /proc/cmdline it's clear that u-boot/kernel didn't load your
Can you check your u-boot's env and also give the full dmesg output?
For newer u-boot I believe you could try latest u-boot-linaro, as John
is working on doing the proper support for Snowball this cycle. Check
with him to see if it'd also work on a V1.
Ricardo Salveti de Araujo
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