Public bug reported:

Hi,

I am running an Ubuntu 16.04 machine. I tried to start the system
bluetooth through the following steps:

1. Ensured that bluetooth was unblocked through the command rfkill
2. Set bluetooth to powered on, agent on, default-agent and scan on through 
bluetootctl

On completing these steps, Bluetooth icon shows up as active on the
system, but other devices are unable to scan it and consequently not
able to connect to it. This Ubuntu does not appear in the list of
bluetooth devices for other devices' scan.

3. I ran systemctl status bluetooth

I am getting the following errors:

nvidia@tegra-ubuntu:~$ systemctl status bluetooth
● bluetooth.service - Bluetooth service
   Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor 
preset: enabled)
   Active: active (running) since Mon 2019-04-22 15:57:21 IST; 10min ago
     Docs: man:bluetoothd(8)
 Main PID: 1087 (bluetoothd)
   Status: "Running"
   CGroup: /system.slice/bluetooth.service
           └─1087 /usr/lib/bluetooth/bluetoothd

Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Error adding Link Loss service
Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Not enough free handles to 
register service
Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Not enough free handles to 
register service
Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Not enough free handles to 
register service
Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Current Time Service could not 
be registered
Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: gatt-time-server: Input/output 
error (5)
Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Not enough free handles to 
register service
Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Not enough free handles to 
register service
Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Sap driver initialization failed.
Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: sap-server: Operation not 
permitted (1)

** Affects: bluez (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1825821

Title:
  Ubuntu 16.04 : Bluetooth can't be detected by other devices

Status in bluez package in Ubuntu:
  New

Bug description:
  Hi,

  I am running an Ubuntu 16.04 machine. I tried to start the system
  bluetooth through the following steps:

  1. Ensured that bluetooth was unblocked through the command rfkill
  2. Set bluetooth to powered on, agent on, default-agent and scan on through 
bluetootctl

  On completing these steps, Bluetooth icon shows up as active on the
  system, but other devices are unable to scan it and consequently not
  able to connect to it. This Ubuntu does not appear in the list of
  bluetooth devices for other devices' scan.

  3. I ran systemctl status bluetooth

  I am getting the following errors:

  nvidia@tegra-ubuntu:~$ systemctl status bluetooth
  ● bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor 
preset: enabled)
     Active: active (running) since Mon 2019-04-22 15:57:21 IST; 10min ago
       Docs: man:bluetoothd(8)
   Main PID: 1087 (bluetoothd)
     Status: "Running"
     CGroup: /system.slice/bluetooth.service
             └─1087 /usr/lib/bluetooth/bluetoothd

  Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Error adding Link Loss service
  Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Not enough free handles to 
register service
  Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Not enough free handles to 
register service
  Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Not enough free handles to 
register service
  Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Current Time Service could not 
be registered
  Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: gatt-time-server: Input/output 
error (5)
  Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Not enough free handles to 
register service
  Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Not enough free handles to 
register service
  Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: Sap driver initialization 
failed.
  Apr 22 15:57:21 tegra-ubuntu bluetoothd[1087]: sap-server: Operation not 
permitted (1)

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