[maemo-developers] N900 USB Networking

[From: Kimmo Hämäläinen]

On Fri, 2010-03-19 at 09:39 +0100, ext van Porten, Oliver wrote:
> > -----Original Message-----
> > From: Tomi Ollila [mailto:tomi.ollila at guru.guru-group.fi] 
> > Sent: Thursday, March 18, 2010 5:27 PM
> > To: Kimmo Hämäläinen
> > Cc: van Porten, Oliver; maemo-developers at maemo.org
> > Subject: Re: N900 USB Networking
> > 
> > On Thu 18 Mar 2010 07:13, Kimmo Hämäläinen 
> > <kimmo.hamalainen at nokia.com> writes:
> > 
> > > On Wed, 2010-03-17 at 15:17 +0100, ext van Porten, Oliver wrote:
> > >> Hi list,
> > >>  
> > >> I've tried following this guide to setup USB networking 
> > with my Windows
> > >> PC:
> > >> http://wiki.maemo.org/N900_USB_networking#Windows_XP
> > >> 
> > >> Windows asked for a driver for the RNDIS gadget once and I 
> > installed it.
> > >> 
> > >> I'm using the Mad-Developer Application to load g_ether. 
> > When I do that,
> > >> the N900 will reboot.
> > >
> > > You should use g_nokia instead of g_ether.
> > 
> > With g_nokia, usb networking does not work with Windows host 
> > (nor with Mac OS Snow Leopard, only with Linux & Leopard or less).
> > 
> > Windows does not regognize the information g_nokia announces to it
> > to be able to work as usb ethernet mode, only RNDIS works 
> > with Windows.
> > 
> > But, that N900 reboots is an interesting problem; does not happen to
> > us. I wrote a longer note in the talk thread... and now I must run...
> > 
> 
> I just tried first loading g_ether and configuring usb via mad-developer 
> which works. As soon as I plug-in the USB cable the mode selection will popup 
> and some seconds afterwards (no matter what my action is) the device will 
> reboot, showing sort of a usb icon in the top right corner.
> 
> Is there any way to grab logs or something from what's happening there?

If it reboots, it's most probably a kernel crash... In that case syslog
might have some messages (or not).

> I've installed 'Crash Reporter' and it seems to have logged something (but 
> Was unable to send the report just now).
> Can I access those somehow?

You can unpack the crash dump file with rich-core-extract utility.

-Kimmo

> 
> Oliver
> 
> > 
> > > -Kimmo
> > 
> > Tomi
> > 
> > >
> > >> At one point Windows seemed to re-recognize the device at 
> > first but then
> > >> again the N900 went for a reboot and Windows did not find 
> > it any more.
> > >> 
> > >> Did anyone ever experience something like this? 
> > >> Am I doing something wrong?
> > >> 
> > >> I tried google'ing for a solution but could not find one yet. 
> > >> 
> > >> Any hints appreciated.
> > >> 
> > >> Best,
> > >> Oliver