Kinda similar with test2-mm[23] on my laptop and the orinoco_usb driver: orinoco.c 0.14beta1 (David Gibson and others) /home/alexh/src/cvs/orinoco/orinoco_usb.c:bridge_probe: ENTER kobject 'class_obj' does not have a release() function, it is broken and must be fixed. Badness in kobject_cleanup at lib/kobject.c:402 Call Trace: [] kobject_cleanup+0x60/0x83 [] request_firmware+0x71/0xe1 [firmware_class] [] bridge_probe+0x514/0x845 [orinoco_usb] [] sysfs_create_dir+0xb4/0xe2 [] usb_probe_interface+0x8c/0xac [usbcore] [] bus_match+0x43/0x6e [] driver_attach+0x5c/0x60 [] bus_add_driver+0xa5/0xb7 [] driver_register+0x88/0x8c [] usb_register+0xd1/0x10f [usbcore] [] bridge_module_init+0x1c/0x77 [orinoco_usb] [] sys_init_module+0x1ed/0x3c5 [] syscall_call+0x7/0xb /home/alexh/src/cvs/orinoco/orinoco_usb.c: No firmware to download /home/alexh/src/cvs/orinoco/orinoco_usb.c:bridge_remove_in_urb: no urb to remove /home/alexh/src/cvs/orinoco/orinoco_usb.c:bridge_delete: ENTER unregister_netdevice: device wlan%d/eb936434 never was registered /home/alexh/src/cvs/orinoco/orinoco_usb.c:bridge_delete: EXIT /home/alexh/src/cvs/orinoco/orinoco_usb.c:bridge_probe: EXIT drivers/usb/core/usb.c: registered new driver Orinoco USB orinoco_usb.c v0.2.1 (Manuel Estrada Sainz )