This bug still exists in xenial with kernel 4.5:
$ uname -a Linux xeelee 4.5.0-040500-lowlatency #201603140130 SMP PREEMPT Mon Mar 14 05:37:11 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
$ journalctl |grep bluetoothd Apr 08 20:24:43 xeelee bluetoothd[929]: Bluetooth daemon 5.37 Apr 08 20:24:43 xeelee bluetoothd[929]: Starting SDP server Apr 08 20:24:43 xeelee bluetoothd[929]: Bluetooth management interface 1.11 initialized Apr 08 20:24:43 xeelee bluetoothd[929]: Failed to obtain handles for "Service Changed" characteristic Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service Apr 08 20:24:43 xeelee bluetoothd[929]: Error adding Link Loss service Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service Apr 08 20:24:43 xeelee bluetoothd[929]: Current Time Service could not be registered Apr 08 20:24:43 xeelee bluetoothd[929]: gatt-time-server: Input/output error (5) Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service Apr 08 20:24:43 xeelee bluetoothd[929]: Sap driver initialization failed. Apr 08 20:24:43 xeelee bluetoothd[929]: sap-server: Operation not permitted (1) Apr 08 20:24:55 xeelee bluetoothd[929]: Endpoint registered: sender=:1.41 path=/MediaEndpoint/A2DPSource Apr 08 20:24:55 xeelee bluetoothd[929]: Endpoint registered: sender=:1.41 path=/MediaEndpoint/A2DPSink
This bug still exists in xenial with kernel 4.5:
$ uname -a lowlatency #201603140130 SMP PREEMPT Mon Mar 14 05:37:11 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
Linux xeelee 4.5.0-040500-
$ journalctl |grep bluetoothd oint/A2DPSource oint/A2DPSink
Apr 08 20:24:43 xeelee bluetoothd[929]: Bluetooth daemon 5.37
Apr 08 20:24:43 xeelee bluetoothd[929]: Starting SDP server
Apr 08 20:24:43 xeelee bluetoothd[929]: Bluetooth management interface 1.11 initialized
Apr 08 20:24:43 xeelee bluetoothd[929]: Failed to obtain handles for "Service Changed" characteristic
Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service
Apr 08 20:24:43 xeelee bluetoothd[929]: Error adding Link Loss service
Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service
Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service
Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service
Apr 08 20:24:43 xeelee bluetoothd[929]: Current Time Service could not be registered
Apr 08 20:24:43 xeelee bluetoothd[929]: gatt-time-server: Input/output error (5)
Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service
Apr 08 20:24:43 xeelee bluetoothd[929]: Not enough free handles to register service
Apr 08 20:24:43 xeelee bluetoothd[929]: Sap driver initialization failed.
Apr 08 20:24:43 xeelee bluetoothd[929]: sap-server: Operation not permitted (1)
Apr 08 20:24:55 xeelee bluetoothd[929]: Endpoint registered: sender=:1.41 path=/MediaEndp
Apr 08 20:24:55 xeelee bluetoothd[929]: Endpoint registered: sender=:1.41 path=/MediaEndp