device '/sys/class/input/event0' has major:minor 13:64 looking at class device '/sys/class/input/event0': SUBSYSTEM=="input" SYSFS{dev}=="13:64" follow the "device"-link to the physical device: looking at the device chain at '/sys/devices/platform/i8042/serio1': BUS=="serio" ID=="serio1" DRIVER=="atkbd" SYSFS{bind_mode}=="auto" SYSFS{description}=="i8042 Kbd Port" SYSFS{extra}=="0" SYSFS{scroll}=="0" SYSFS{set}=="2" SYSFS{softraw}=="1" SYSFS{softrepeat}=="0" looking at the device chain at '/sys/devices/platform/i8042': BUS=="platform" ID=="i8042" DRIVER=="i8042" looking at the device chain at '/sys/devices/platform': BUS=="" ID=="platform" DRIVER=="unknown"