WLAN troubles

Al Johnson openmoko at mazikeen.demon.co.uk
Wed Aug 27 18:20:15 CEST 2008

On Wednesday 27 August 2008, Derick Rethans wrote:
> On Wed, 27 Aug 2008, Al Johnson wrote:
> > On Tuesday 26 August 2008, Derick Rethans wrote:
> > > I received my freerunner last weekend, and liking it sofar. I've had a
> > > play with wifi - and although the freerunning sees the networks just
> > > fine (with iwlist eth0 scan) and I can connect to the network as well -
> > > I get a DHCP lease, with nameservers and all, the route is correct too.
> > > However, I can't do any sort of connection - nor ping. I've looked
> > > around on the wiki and list archives, but I can't find why it is not
> > > working. Does any of you have any hint at were to look at to debug this
> > > issue?
> >
> > As others have said, the problem is probably routing. If both usb0 and
> > eth0 are on the same subnet then you will have problems. you can fix it
> > by fiddling with the routing, but it is probably easier just to use
> > 'ifdown usb0' before you start the wifi connection, and 'ifup usb0' when
> > you need to use the usb connection, while the wifi isn't connected.
> I was pretty sure that the routes where okay - I did just double check
> and it's all fine: http://files.derickrethans.nl/Screenshot-5.png
> I've check that resolv.conf is correct (same as on the laptop that uses
> the same WLAN), but still no dice. It gets the IP address just fine
> through DHCP, but *no* packets go over the line - I can't even ping the
> gateway (though I can ping the device's IP).

So if you ifconfig eth0 you don't see the tx packet count increasing? 

> Now I do remember that when upgrading my kernel it mentioned something
> about wlan modules - but I do not remember the extend of those messages.

If there was a problem with the modules I doubt you'd get a connection in the 
first place.

> Any other ideas what the issue could be? I am still on 2007.7 - as how
> it came with the phone, but I've opkg update & opkg upgrade'd it all
> today. Any other ideas?
> regards,
> Derick

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