Incidently, this seems related, but not quite identical, to #44009. Attaching gdb session and ifconfig -a output (after successfuly bringing up the interface manually).
-- NetworkManager crashes on an ndiswrapper-based wlan usb stick https://launchpad.net/bugs/53142 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
