[Clfs-support] Unable to set up network interfaces

[Andreas Hofer]

Ken Moffat schrieb:
> On Thu, Dec 13, 2007 at 03:20:27PM +0100, Andreas Hofer wrote:
>> Well, both interfaces are down. I tried to bring it up by hand on the 
>> command line like so:
>>
>> 	ip link set lo up
>> 	RTNETLINK answers: Invalid argument
>> 	ip  link show lo
>> 	1: lo: <LOOPBACK> mtu 16436 qdisc noop
>> 		link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>> ifconfig shows the right IP adresses for both interfaces, but they are 
>> down because of the "ip link set <interface> up" command having failed. 
>> Also any other command used with "ip link set lo" fails with the same 
>> error. BTW I use kernel version 2.6.20.1 with some patches from the 
>> vendor of the board, but I think that at least loopback should work.
>>
>  So, iproute2-2.6.23 with linux-2.6.20.1 ?  I'm always reluctant to
> use either kernel headers or versions of iproute which are newer
> than the kernel.  You haven't said which headers you used, ideally
> they should come from the _patched_ kernel, but changing them means
> rebuilding the whole system so I wouldn't do that just for the sake
> of it.  Iproute is a different can of worms - I recommend you try an
> older version, 2.6.20-070313 in this case.  That doesn't guarantee
> to fix this, of course.
> 
> ĸen
Yes, I generated the kernel headers from the patched kernel. I did not 
realize that iproute could fail if not matching the kernel release. I 
will try to find an adequate version an rebuild iproute. Thanks for the 
moment, Ken!