When plugging my Nexus One (Android 2.3.3) via USB and activating the "USB Tethering" option, I cannot enable the connection via Network Manager, because I just see a gray "Disconnected" option.
If I connect manually (dhclient usb0, add nameserver to /etc/resolv.conf) it works.
How can I make it work with Network Manager? I use Ubuntu 10.10.
Best Answer
It seems to be a problem with the Ubuntu kernel 2.6.35. I have installed the 2.6.36 and 38 kernels from Ubuntu mainline kernel PPA and then there is no problem, thing is I would like to use this kernel since the wireless backport drivers seem to give me less issues. I may have to boot the kernel for the application, 2.6.38 if I'm on the road and 2.6.35 if I'm in the office. Hope this helps you though:
http://kernel.ubuntu.com/~kernel-ppa/mainline/
Download and install the version you want, Google "mainline kernel howto" if you are struggling.