Just to note that I had similar problems that were solved by cyano's suggestion
in #32
(Using Ubuntu 16.04 LTS with a cheap CSR8510 chip USB bluetooth dongle and
Clarity bluetooth speaker.)
sudo btmgmt le off
Then using the standard Bluetooth Settings app deleted the current
connection from the list of devices and remade the connection. This
resolved the problem.
However, in order to get the speaker to appear in the list of output
devices in Sound Settings I find I always have to switch the bluetooth
connection to the Clarity speaker on, then off, then on again at the
start of a session (using the Bluetooth notification area drop-down).
After that, it's fine for the remainder of the session.
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https://bugs.launchpad.net/bugs/1490349
Title:
15:10 and 16.04: bluetoothd reports "Not enough handles to register
service" at start
Status in bluez package in Ubuntu:
Confirmed
Bug description:
On 15:10 after the bluetooth service has been stopped and restarted it
is not possible to scan or connect to devices:
$ sudo systemctl start bluetooth
$ journalctl --unit=bluetooth | tail -n 19 | awk '{$1="";$2="";$4="";print
$0}'
23:31:53 systemd[1]: Starting Bluetooth service...
23:31:53 bluetoothd[16647]: Bluetooth daemon 5.33
23:31:53 systemd[1]: Started Bluetooth service.
23:31:53 bluetoothd[16647]: Starting SDP server
23:31:53 bluetoothd[16647]: Bluetooth management interface 1.9 initialized
23:31:53 bluetoothd[16647]: Failed to obtain handles for "Service Changed"
characteristic
23:31:53 bluetoothd[16647]: Not enough free handles to register service
23:31:53 bluetoothd[16647]: Error adding Link Loss service
23:31:53 bluetoothd[16647]: Not enough free handles to register service
23:31:53 bluetoothd[16647]: Not enough free handles to register service
23:31:53 bluetoothd[16647]: Not enough free handles to register service
23:31:53 bluetoothd[16647]: Current Time Service could not be registered
23:31:53 bluetoothd[16647]: gatt-time-server: Input/output error (5)
23:31:53 bluetoothd[16647]: Not enough free handles to register service
23:31:53 bluetoothd[16647]: Not enough free handles to register service
23:31:53 bluetoothd[16647]: Sap driver initialization failed.
23:31:53 bluetoothd[16647]: sap-server: Operation not permitted (1)
23:31:53 bluetoothd[16647]: Endpoint registered: sender=:1.440
path=/MediaEndpoint/A2DPSource
23:31:53 bluetoothd[16647]: Endpoint registered: sender=:1.440
path=/MediaEndpoint/A2DPSink
And
$ bluetoothctl
[NEW] Controller 00:1F:3A:E0:0A:AF hephaestion.lan.iam.tj [default]
[NEW] Device 00:0A:95:4B:BD:C2 Apple Wireless Keyboard
[NEW] Device 00:07:61:3B:86:98 Bluetooth Travel Mouse
[bluetooth]# scan on
Failed to start discovery: org.bluez.Error.NotReady
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