Note: This issue arose as a result of a recent update to the mediatek drivers. If you're having a similar issue with Mediatek devices, the answer(s) below may be of assistance.
I am using kubuntu 21.10
. My Wi-Fi is working fine. But I am not able to use Bluetooth.
I am using dual boot (Linux + Window). I can use Bluetooth in window. Please see my screenshot of Kubuntu.
Note : I have already disabled my secured boot from BIOS options.
Edit 1 :
- Output of
sudo lshw
is given in my codepen link.
- Output of
sudo dmesg
is given in my codepen link.
- Output of
sudo hcitool dev
=> Devices:
(Hence output of sudo hcitool dev is empty).
- Output of
journalctl -xb | grep blue
is given below -
░░ Subject: A start job for unit bluetooth.service has begun execution
░░ A start job for unit bluetooth.service has begun execution.
Jan 05 21:54:27 abhishek-kamal-TUF bluetoothd[667]: Bluetooth daemon 5.60
░░ Subject: A start job for unit bluetooth.service has finished successfully
░░ A start job for unit bluetooth.service has finished successfully.
░░ Subject: A start job for unit bluetooth.target has finished successfully
░░ A start job for unit bluetooth.target has finished successfully.
Jan 05 21:54:27 abhishek-kamal-TUF bluetoothd[667]: Starting SDP server
Jan 05 21:54:27 abhishek-kamal-TUF bluetoothd[667]: Bluetooth management interface 1.20 initialized
Jan 05 21:54:27 abhishek-kamal-TUF NetworkManager[670]: <info> [1641399867.8900] Loaded device plugin: NMBluezManager (/usr/lib/x86_64-linux-gnu/NetworkManager/1.32.12/libnm-device-plugin-bluetooth.so)
Jan 05 21:54:29 abhishek-kamal-TUF systemd-xdg-autostart-generator[1070]: Exec binary 'blueman-applet' does not exist: No such file or directory
Jan 05 21:54:29 abhishek-kamal-TUF systemd-xdg-autostart-generator[1070]: Not generating service for XDG autostart [email protected], error parsing Exec= line: No such file or directory
Jan 05 21:54:44 abhishek-kamal-TUF systemd-xdg-autostart-generator[1171]: Exec binary 'blueman-applet' does not exist: No such file or directory
Jan 05 21:54:44 abhishek-kamal-TUF systemd-xdg-autostart-generator[1171]: Not generating service for XDG autostart [email protected], error parsing Exec= line: No such file or directory
Jan 05 21:54:45 abhishek-kamal-TUF systemd-xdg-autostart-generator[1307]: Exec binary 'blueman-applet' does not exist: No such file or directory
Jan 05 21:54:45 abhishek-kamal-TUF systemd-xdg-autostart-generator[1307]: Not generating service for XDG autostart [email protected], error parsing Exec= line: No such file or directory
Jan 05 21:54:46 abhishek-kamal-TUF dbus-daemon[1178]: [session uid=1000 pid=1178] Activating via systemd: service name='org.bluez.obex' unit='dbus-org.bluez.obex.service' requested by ':1.31' (uid=1000 pid=1405 comm="/usr/bin/kded5 " label="unconfined")
Jan 05 21:54:46 abhishek-kamal-TUF dbus-daemon[1178]: [session uid=1000 pid=1178] Successfully activated service 'org.bluez.obex'
- Output of
sudo lsusb
is given below -
Bus 002 Device 002: ID 0781:558a SanDisk Corp. Ultra
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 322e:202c Sonix Technology Co., Ltd. USB2.0 HD UVC WebCam
Bus 001 Device 002: ID 0461:4d81 Primax Electronics, Ltd Dell N889 Optical Mouse
Bus 001 Device 004: ID 13d3:3563 IMC Networks Wireless_Device
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub