This affects me too: $ journalctl | grep -i bluetooth Jul 16 16:58:40 machine kernel: Bluetooth: Core ver 2.21 Jul 16 16:58:40 machine kernel: Bluetooth: HCI device and connection manager initialized Jul 16 16:58:40 machine kernel: Bluetooth: HCI socket layer initialized Jul 16 16:58:40 machine kernel: Bluetooth: L2CAP socket layer initialized Jul 16 16:58:40 machine kernel: Bluetooth: SCO socket layer initialized Jul 16 16:58:40 machine kernel: Bluetooth: HCI UART driver ver 2.3 Jul 16 16:58:40 machine kernel: Bluetooth: HCI UART protocol H4 registered Jul 16 16:58:40 machine kernel: Bluetooth: HCI UART protocol BCSP registered Jul 16 16:58:40 machine kernel: Bluetooth: HCI UART protocol LL registered Jul 16 16:58:40 machine kernel: Bluetooth: HCI UART protocol ATH3K registered Jul 16 16:58:40 machine kernel: Bluetooth: HCI UART protocol Three-wire (H5) registered Jul 16 16:58:40 machine kernel: Bluetooth: HCI UART protocol Intel registered Jul 16 16:58:40 machine kernel: Bluetooth: HCI UART protocol BCM registered Jul 16 16:58:40 machine kernel: Bluetooth: HCI UART protocol QCA registered Jul 16 16:58:41 machine kernel: Bluetooth: hci0: Bootloader revision 0.0 build 2 week 52 2014 Jul 16 16:58:41 machine kernel: Bluetooth: hci0: Device revision is 5 Jul 16 16:58:41 machine kernel: Bluetooth: hci0: Secure boot is enabled Jul 16 16:58:41 machine kernel: Bluetooth: hci0: OTP lock is enabled Jul 16 16:58:41 machine kernel: Bluetooth: hci0: API lock is enabled Jul 16 16:58:41 machine kernel: Bluetooth: hci0: Debug lock is disabled Jul 16 16:58:41 machine kernel: Bluetooth: hci0: Minimum firmware build 1 week 10 2014 Jul 16 16:58:41 machine kernel: Bluetooth: hci0: Found device firmware: intel/ibt-11-5.sfi Jul 16 16:58:41 machine NetworkManager[898]: <info> [1468652321.0800] Loaded device plugin: NMBluezManager (/usr/lib/x86_64-linux-gnu/NetworkManager/libnm-device-plugin-bluetooth.so) Jul 16 16:58:41 machine kernel: Bluetooth: hci0: Failed to send firmware data (-38) Jul 16 16:58:43 machine kernel: Bluetooth: hci0 command 0xfc05 tx timeout Jul 16 16:58:47 machine kernel: Bluetooth: hci0: Reading Intel version information failed (-19) Jul 16 16:58:48 machine systemd[1]: Starting Bluetooth service... Jul 16 16:58:48 machine bluetoothd[1482]: Bluetooth daemon 5.37 Jul 16 16:58:48 machine bluetoothd[1482]: Starting SDP server Jul 16 16:58:48 machine systemd[1]: Started Bluetooth service. Jul 16 16:58:48 machine systemd[1]: Reached target Bluetooth. Jul 16 16:58:48 machine systemd[1]: bluetooth.target: Unit not needed anymore. Stopping. Jul 16 16:58:48 machine systemd[1]: Stopped target Bluetooth. Jul 16 16:58:48 machine kernel: Bluetooth: BNEP (Ethernet Emulation) ver 1.3 Jul 16 16:58:48 machine kernel: Bluetooth: BNEP filters: protocol multicast Jul 16 16:58:48 machine kernel: Bluetooth: BNEP socket layer initialized Jul 16 16:58:48 machine bluetoothd[1482]: Bluetooth management interface 1.10 initialized Jul 16 16:58:48 machine kernel: Bluetooth: hci0: Bootloader revision 0.0 build 2 week 52 2014 Jul 16 16:58:48 machine kernel: Bluetooth: hci0: Device revision is 5 Jul 16 16:58:48 machine kernel: Bluetooth: hci0: Secure boot is enabled Jul 16 16:58:48 machine kernel: Bluetooth: hci0: OTP lock is enabled Jul 16 16:58:48 machine kernel: Bluetooth: hci0: API lock is enabled Jul 16 16:58:48 machine kernel: Bluetooth: hci0: Debug lock is disabled Jul 16 16:58:48 machine kernel: Bluetooth: hci0: Minimum firmware build 1 week 10 2014 Jul 16 16:58:48 machine kernel: Bluetooth: hci0: Found device firmware: intel/ibt-11-5.sfi Jul 16 16:58:50 machine kernel: Bluetooth: hci0: Waiting for firmware download to complete Jul 16 16:58:50 machine kernel: Bluetooth: hci0: Firmware loaded in 1679702 usecs Jul 16 16:58:50 machine kernel: Bluetooth: hci0: Waiting for device to boot Jul 16 16:58:50 machine kernel: Bluetooth: hci0: Device booted in 11770 usecs Jul 16 16:58:50 machine kernel: Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-11-5.ddc Jul 16 16:58:50 machine kernel: Bluetooth: hci0: Applying Intel DDC parameters completed Jul 16 16:58:50 machine kernel: Bluetooth: hci0: Setting Intel event mask failed (-16) Jul 16 16:58:50 machine bluetoothd[1482]: Failed to obtain handles for "Service Changed" characteristic Jul 16 16:58:50 machine bluetoothd[1482]: Not enough free handles to register service Jul 16 16:58:50 machine bluetoothd[1482]: Error adding Link Loss service Jul 16 16:58:50 machine bluetoothd[1482]: Not enough free handles to register service Jul 16 16:58:50 machine bluetoothd[1482]: Not enough free handles to register service Jul 16 16:58:50 machine bluetoothd[1482]: Not enough free handles to register service Jul 16 16:58:50 machine bluetoothd[1482]: Current Time Service could not be registered Jul 16 16:58:50 machine bluetoothd[1482]: gatt-time-server: Input/output error (5) Jul 16 16:58:50 machine bluetoothd[1482]: Not enough free handles to register service Jul 16 16:58:50 machine systemd[1]: Reached target Bluetooth. Jul 16 16:58:50 machine bluetoothd[1482]: Not enough free handles to register service Jul 16 16:58:50 machine bluetoothd[1482]: Sap driver initialization failed. Jul 16 16:58:50 machine bluetoothd[1482]: sap-server: Operation not permitted (1) Jul 16 16:58:50 machine kernel: shpchp mei_me mei hci_uart btbcm 8250_fintek btqca btintel bluetooth intel_lpss_acpi intel_lpss acpi_pad mac_hid acpi_als kfifo_buf industrialio parport_pc ppdev lp parport autofs4 btrfs xor raid6_pq hid_logitech_hidpp hid_logitech_dj hid_generic usbhid uas usb_storage i915_bpo intel_ips i2c_algo_bit drm_kms_helper syscopyarea e1000e sysfillrect sysimgblt psmouse fb_sys_fops ptp pps_core ahci nvme drm libahci wmi video pinctrl_sunrisepoint i2c_hid pinctrl_intel hid fjes Jul 16 17:04:33 machine kernel: shpchp mei_me mei hci_uart btbcm 8250_fintek btqca btintel bluetooth intel_lpss_acpi intel_lpss acpi_pad mac_hid acpi_als kfifo_buf industrialio parport_pc ppdev lp parport autofs4 btrfs xor raid6_pq hid_logitech_hidpp hid_logitech_dj hid_generic usbhid uas usb_storage i915_bpo intel_ips i2c_algo_bit drm_kms_helper syscopyarea e1000e sysfillrect sysimgblt psmouse fb_sys_fops ptp pps_core ahci nvme drm libahci wmi video pinctrl_sunrisepoint i2c_hid pinctrl_intel hid fjes
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1490349/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp