[Buildroot] Interfaces not coming up on DSA

Arnout Vandecappelle arnout at mind.be
Fri Sep 30 23:08:32 UTC 2016



On 29-09-16 17:03, Paul wrote:
> After upgrading to buildroot 2016.08.1 our dsa interfaces do not automatically
> come up, using an existing 4.5.4 kernel. 

 Do you use a custom skeleton? The system menu entries that manipulate files in
the skeleton (e.g. password, network, getty settings) are no longer available
for a custom skeleton, only for the default skeleton. The idea is that with a
custom skeleton, buildroot has no idea what is there so its manipulations may fail.


> Ifconfig lan1 up brings up the
> interface however not able to route, says destination unreachable. 

 ifconfig only sets the IP address, it doesn't add a default route.

> If we run an
> ifup –a everything works as normal.

 Hm, so you do have a valid /etc/network/interfaces file. Buildroot installs
/etc/init.d/S40network which will call ifup -a. Perhaps your lan1 interface
doesn't exist yet by the time that script is called?

 Regards,
 Arnout



> This was not the case using a previous
> version of buildroot.
> 
>  
> 
> Kind regards
> 
> Paul Ashford
> 
>  
> 
> *Contact Information: *
> 
> m: +44 (0)7885 469812
> 
> e: paul at bluecordial.com
> 
> skype: paulashford1975
> 
> twitter: @pdashford
> 
> 
> 
> _______________________________________________
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> 

-- 
Arnout Vandecappelle                          arnout at mind be
Senior Embedded Software Architect            +32-16-286500
Essensium/Mind                                http://www.mind.be
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