[mfeilner@pc]# adb devices
 List of devices attached

 [mfeilner@pc]# su
 Passwort:
 [root@pc]# killall adb
 [...]
 [root@pc]# adb devices
 * daemon not running. starting it now on port 5037 *
 * daemon started successfully *
 List of devices attached
 015d8bed0d3c0814        device