bluetoothd falla en “establecer un emparejamiento simple seguro”

Mi bluetoothd registra una falla en el registro del sistema después de despertar de un sueño de mi computadora portátil:

 Jun 25 12:54:34 lati bluetoothd[718]: Adapter /org/bluez/718/hci0 has been disabled Jun 25 12:54:34 lati bluetoothd[718]: Unregister path: /org/bluez/718/hci0 Jun 25 12:54:34 lati bluetoothd[718]: Endpoint unregistered: sender=:1.59 path=/MediaEndpoint/A2DPSink Jun 25 12:54:34 lati bluetoothd[718]: Endpoint unregistered: sender=:1.59 path=/MediaEndpoint/A2DPSource Jun 25 12:54:34 lati bluetoothd[718]: Endpoint unregistered: sender=:1.59 path=/MediaEndpoint/HFPAG Jun 25 12:54:34 lati bluetoothd[718]: Endpoint unregistered: sender=:1.59 path=/MediaEndpoint/HFPHS Jun 25 12:54:34 lati bluetoothd[718]: Adapter /org/bluez/718/hci0 has been enabled Jun 25 12:54:34 lati bluetoothd[718]: Endpoint registered: sender=:1.59 path=/MediaEndpoint/HFPAG Jun 25 12:54:34 lati bluetoothd[718]: Endpoint registered: sender=:1.59 path=/MediaEndpoint/HFPHS Jun 25 12:54:34 lati bluetoothd[718]: Endpoint registered: sender=:1.59 path=/MediaEndpoint/A2DPSource Jun 25 12:54:34 lati bluetoothd[718]: Endpoint registered: sender=:1.59 path=/MediaEndpoint/A2DPSink Jun 25 12:54:34 lati bluetoothd[718]: Unknown command complete for opcode 19 Jun 25 12:54:34 lati bluetoothd[718]: hci0: Set Secure Simple Pairing (0x000b) failed: Busy (0x0a) 

Mi información del sistema:

  • Ubuntu 14.04.4 LTS (confiable)
  • Arquitectura: 64 bit
  • Versión del kernel: 3.16.0-40-genérico
  • Dell E7440
  • Versión BIOS: A14
  • Bluetooth: hci0: archivo de firmware de Intel Bluetooth: intel / ibt-hw-37.7.10-fw-1.80.2.3.d.bseq