if I run rfcomm connect 4 I get : dragonneus@AZUREDRAGON:~$ UDEV_LOG=debug udevadm test $(udevadm info -q path -n rfcomm4) device node not found custom logging function 0x2210f008 registered selinux=0 run_command: calling: test udevadm_test: version 151 syspath parameter missing If I run the same command in SUDO: dragonneus@AZUREDRAGON:~$ UDEV_LOG=debug udevadm test $(udevadm info -q path -n rfcomm4) custom logging function 0x2212e008 registered selinux=0 run_command: calling: test udevadm_test: version 151 This program is for debugging only, it does not run any program, specified by a RUN key. It may show incorrect results, because some values may be different, or not available at a simulation run. parse_file: reading '/lib/udev/rules.d/40-fuse-utils.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-gnupg.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-gpsd.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-hplip.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-ia64.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-infiniband.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-isdn.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-libgphoto2-2.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-libpisock9.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-libsane.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-pilot-links.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-ppc.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-usb-media-players.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-xserver-xorg-video-intel.rules' as rules file parse_file: reading '/lib/udev/rules.d/40-zaptel.rules' as rules file parse_file: reading '/lib/udev/rules.d/45-fuse.rules' as rules file parse_file: reading '/lib/udev/rules.d/45-libmtp8.rules' as rules file parse_file: reading '/lib/udev/rules.d/50-firmware.rules' as rules file parse_file: reading '/lib/udev/rules.d/50-udev-default.rules' as rules file parse_file: reading '/lib/udev/rules.d/55-dm.rules' as rules file parse_file: reading '/lib/udev/rules.d/56-hpmud_support.rules' as rules file parse_file: reading '/lib/udev/rules.d/60-cdrom_id.rules' as rules file parse_file: reading '/lib/udev/rules.d/60-floppy.rules' as rules file parse_file: reading '/lib/udev/rules.d/60-persistent-alsa.rules' as rules file parse_file: reading '/lib/udev/rules.d/60-persistent-input.rules' as rules file parse_file: reading '/lib/udev/rules.d/60-persistent-serial.rules' as rules file parse_file: reading '/lib/udev/rules.d/60-persistent-storage-dm.rules' as rules file parse_file: reading '/lib/udev/rules.d/60-persistent-storage-tape.rules' as rules file parse_file: reading '/lib/udev/rules.d/60-persistent-storage.rules' as rules file parse_file: reading '/lib/udev/rules.d/60-persistent-v4l.rules' as rules file parse_file: reading '/lib/udev/rules.d/61-gnome-bluetooth-rfkill.rules' as rules file parse_file: reading '/lib/udev/rules.d/61-mobile-action.rules' as rules file parse_file: reading '/lib/udev/rules.d/61-option-modem-modeswitch.rules' as rules file parse_file: reading '/lib/udev/rules.d/61-persistent-storage-edd.rules' as rules file parse_file: reading '/lib/udev/rules.d/64-device-mapper.rules' as rules file parse_file: reading '/lib/udev/rules.d/64-xorg-xkb.rules' as rules file parse_file: reading '/lib/udev/rules.d/66-xorg-synaptics.rules' as rules file parse_file: reading '/lib/udev/rules.d/69-xorg-vmmouse.rules' as rules file parse_file: reading '/lib/udev/rules.d/69-xserver-xorg-input-wacom.rules' as rules file parse_file: reading '/lib/udev/rules.d/70-acl.rules' as rules file parse_file: reading '/lib/udev/rules.d/70-hid2hci.rules' as rules file parse_file: reading '/etc/udev/rules.d/70-persistent-cd.rules' as rules file parse_file: reading '/etc/udev/rules.d/70-persistent-net.rules' as rules file parse_file: reading '/lib/udev/rules.d/70-printers.rules' as rules file parse_file: reading '/lib/udev/rules.d/75-cd-aliases-generator.rules' as rules file parse_file: reading '/lib/udev/rules.d/75-net-description.rules' as rules file parse_file: reading '/lib/udev/rules.d/75-persistent-net-generator.rules' as rules file parse_file: reading '/lib/udev/rules.d/75-tty-description.rules' as rules file parse_file: reading '/lib/udev/rules.d/77-mm-ericsson-mbm.rules' as rules file parse_file: reading '/lib/udev/rules.d/77-mm-longcheer-port-types.rules' as rules file parse_file: reading '/lib/udev/rules.d/77-mm-zte-port-types.rules' as rules file parse_file: reading '/lib/udev/rules.d/78-graphics-card.rules' as rules file parse_file: reading '/lib/udev/rules.d/78-sound-card.rules' as rules file parse_file: reading '/lib/udev/rules.d/79-fstab_import.rules' as rules file parse_file: reading '/lib/udev/rules.d/80-alsa.rules' as rules file parse_file: reading '/lib/udev/rules.d/80-drivers.rules' as rules file parse_file: reading '/lib/udev/rules.d/80-udisks.rules' as rules file parse_file: reading '/lib/udev/rules.d/85-brltty.rules' as rules file parse_file: reading '/lib/udev/rules.d/85-console-setup.rules' as rules file parse_file: reading '/lib/udev/rules.d/85-hdparm.rules' as rules file parse_file: reading '/lib/udev/rules.d/85-hplj10xx.rules' as rules file parse_file: reading '/lib/udev/rules.d/85-pcmcia.rules' as rules file parse_file: reading '/lib/udev/rules.d/85-regulatory.rules' as rules file parse_file: reading '/lib/udev/rules.d/85-usbmuxd.rules' as rules file parse_file: reading '/lib/udev/rules.d/90-libgpod.rules' as rules file parse_file: reading '/lib/udev/rules.d/90-pulseaudio.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-keyboard-force-release.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-keymap.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-udev-late.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-dell.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-fujitsu.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-gateway.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-ibm.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-lenovo.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-toshiba.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-upower-csr.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-upower-hid.rules' as rules file parse_file: reading '/lib/udev/rules.d/95-upower-wup.rules' as rules file parse_file: reading '/lib/udev/rules.d/97-bluetooth.rules' as rules file parse_file: reading '/dev/.udev/rules.d/root.rules' as rules file udev_rules_new: rules use 209460 bytes tokens (17455 * 12 bytes), 33313 bytes buffer udev_rules_new: temporary index used 55440 bytes (2772 * 20 bytes) udev_device_new_from_syspath: device 0x221471f0 has devpath '/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12/rfcomm4' udev_device_new_from_syspath: device 0x22130430 has devpath '/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12/rfcomm4' udev_device_read_db: device 0x22130430 filled with db symlink data '/dev/rfcomm4' udev_device_new_from_syspath: device 0x22146da8 has devpath '/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12' udev_device_new_from_syspath: device 0x22146f90 has devpath '/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0' udev_device_new_from_syspath: device 0x22147120 has devpath '/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0' udev_device_new_from_syspath: device 0x2212fad8 has devpath '/devices/pci0000:00/0000:00:1d.3/usb5/5-1' udev_device_new_from_syspath: device 0x2212fc90 has devpath '/devices/pci0000:00/0000:00:1d.3/usb5' udev_device_new_from_syspath: device 0x2212fe40 has devpath '/devices/pci0000:00/0000:00:1d.3' udev_device_new_from_syspath: device 0x2212ffc8 has devpath '/devices/pci0000:00' udev_rules_apply_to_event: LINK 'char/216:4' /lib/udev/rules.d/50-udev-default.rules:4 udev_rules_apply_to_event: GROUP 20 /lib/udev/rules.d/50-udev-default.rules:15 udev_rules_apply_to_event: IMPORT 'usb_id --export /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12/rfcomm4' /lib/udev/rules.d/75-tty-description.rules:6 util_run_program: 'usb_id --export /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12/rfcomm4' started util_run_program: '/lib/udev/usb_id' (stdout) 'ID_VENDOR=Broadcom_Corp' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_VENDOR_ENC=Broadcom\x20Corp' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_VENDOR_ID=0b05' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_MODEL=BT-253' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_MODEL_ENC=BT-253' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_MODEL_ID=b700' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_REVISION=0241' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_SERIAL=Broadcom_Corp_BT-253_0015AFF8F38F' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_SERIAL_SHORT=0015AFF8F38F' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_TYPE=generic' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_BUS=usb' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_USB_INTERFACES=:e00101:ffffff:fe0100:' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_USB_INTERFACE_NUM=00' util_run_program: '/lib/udev/usb_id' (stdout) 'ID_USB_DRIVER=btusb' util_run_program: 'usb_id --export /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12/rfcomm4' returned with exitcode 0 udev_rules_apply_to_event: IMPORT 'usb-db /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12/rfcomm4' /lib/udev/rules.d/75-tty-description.rules:7 util_run_program: 'usb-db /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12/rfcomm4' started util_run_program: '/lib/udev/usb-db' (stderr) 'libudev: udev_device_new_from_syspath: device 0x20bcd0d0 has devpath '//devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12/rfcomm4'' util_run_program: '/lib/udev/usb-db' (stderr) 'libudev: udev_device_new_from_syspath: device 0x20bcd2d8 has devpath '//devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12'' util_run_program: '/lib/udev/usb-db' (stderr) 'libudev: udev_device_new_from_syspath: device 0x20bcd4d0 has devpath '//devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0'' util_run_program: '/lib/udev/usb-db' (stderr) 'libudev: udev_device_new_from_syspath: device 0x20bcd6c8 has devpath '//devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth'' util_run_program: '/lib/udev/usb-db' (stderr) 'libudev: udev_device_new_from_syspath: device 0x20bcd868 has devpath '//devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0'' util_run_program: '/lib/udev/usb-db' (stderr) 'libudev: udev_device_new_from_syspath: device 0x20bcda40 has devpath '//devices/pci0000:00/0000:00:1d.3/usb5/5-1'' util_run_program: '/lib/udev/usb-db' (stdout) 'ID_VENDOR_FROM_DATABASE=ASUSTek Computer, Inc.' util_run_program: '/lib/udev/usb-db' (stdout) 'ID_MODEL_FROM_DATABASE=Broadcom Bluetooth 2.1' util_run_program: 'usb-db /devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12/rfcomm4' returned with exitcode 0 udev_event_execute_rules: no node name set, will use kernel supplied name 'rfcomm4' udev_device_update_db: unable to create temporary db file '/dev/.udev/db/tty:rfcomm4.tmp': Permission denied udev_node_add: creating device node '/dev/rfcomm4', devnum=216:4, mode=0660, uid=0, gid=20 udev_node_mknod: preserve file '/dev/rfcomm4', because it has correct dev_t node_symlink: preserve already existing symlink '/dev/char/216:4' to '../rfcomm4' udevadm_test: UDEV_LOG=7 udevadm_test: DEVPATH=/devices/pci0000:00/0000:00:1d.3/usb5/5-1/5-1:1.0/bluetooth/hci0/hci0:12/rfcomm4 udevadm_test: MAJOR=216 udevadm_test: MINOR=4 udevadm_test: DEVNAME=/dev/rfcomm4 udevadm_test: ACTION=add udevadm_test: SUBSYSTEM=tty udevadm_test: DEVLINKS=/dev/char/216:4 udevadm_test: ID_VENDOR=Broadcom_Corp udevadm_test: ID_VENDOR_ENC=Broadcom\x20Corp udevadm_test: ID_VENDOR_ID=0b05 udevadm_test: ID_MODEL=BT-253 udevadm_test: ID_MODEL_ENC=BT-253 udevadm_test: ID_MODEL_ID=b700 udevadm_test: ID_REVISION=0241 udevadm_test: ID_SERIAL=Broadcom_Corp_BT-253_0015AFF8F38F udevadm_test: ID_SERIAL_SHORT=0015AFF8F38F udevadm_test: ID_TYPE=generic udevadm_test: ID_BUS=usb udevadm_test: ID_USB_INTERFACES=:e00101:ffffff:fe0100: udevadm_test: ID_USB_INTERFACE_NUM=00 udevadm_test: ID_USB_DRIVER=btusb udevadm_test: ID_VENDOR_FROM_DATABASE=ASUSTek Computer, Inc. udevadm_test: ID_MODEL_FROM_DATABASE=Broadcom Bluetooth 2.1 On Tue, Apr 27, 2010 at 10:25 PM, Scott James Remnant