netdev - Re: Activate netns

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Date:	Fri, 28 Mar 2014 01:22:14 +0100 (SNT)
From:	Peter Fassberg <pf@...ssner.se>
To:	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Cong Wang <cwang@...pensource.com>
cc:	netdev@...r.kernel.org
Subject: Re: Activate netns


On Thu, 27 Mar 2014, Nicolas Dichtel wrote:

> Le 27/03/2014 15:51, Peter Fassberg a écrit :
>> 
>> Hi!
>> 
>> I have trouble to activate netns on OpenWrt with kernel 3.8.13.
>> 
>> I get this:
>> 
>> root@...ter:~# ip netns show
>> root@...ter:~# ip netns add blue
>> Failed to create a new network namespace "blue": Invalid argument
>> root@...ter:~# df
>> Filesystem           1K-blocks      Used Available Use% Mounted on
>> rootfs                   48377     10493     37884  22% /
>> /dev/root                48377     10493     37884  22% /
>> tmpfs                   257036      2264    254772   1% /tmp
>> tmpfs                      512         0       512   0% /dev
>> /dev/sda2                 4088      2266      1618  58% /mnt
>> /dev/sda1                 4088      2266      1618  58% /mnt
>> tmpfs                   257036      2264    254772   1% /tmp/run/netns
>> root@...ter:~# uname -a
>> Linux ROOter 3.8.13 #2 Wed Mar 26 21:39:04 CET 2014 i686 GNU/Linux
>> root@...ter:~#
>> 
>> 
>> Any hints on what I'm missing?
> Trivial question: are you sure that CONFIG_NET_NS is set?

That was my first question, and I double-checked the menuconfig *GUI*, and it was all fine, "<*>".

But now I have also checked the .config file, and there was no trace of CONFIG_KERNEL_NET_NS.

I made a clean checkout and did a new try - and it all worked!!

The config must have been messed up at some point.

Thank you for your time!

Sorry.



// Peter