bluetooth adaptor unable to find any devices

[dAVID Coulson]

david@Kubuntu-desktop-2021:~$ dmesg |grep -i bluetooth
[ 4.734771] Bluetooth: Core ver 2.22
[ 4.734788] Bluetooth: HCI device and connection manager initialized
[ 4.734791] Bluetooth: HCI socket layer initialized
[ 4.734793] Bluetooth: L2CAP socket layer initialized
[ 4.734795] Bluetooth: SCO socket layer initialized
[ 8.307343] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 8.307347] Bluetooth: BNEP filters: protocol multicast
[ 8.307350] Bluetooth: BNEP socket layer initialized
[ 12.295520] Bluetooth: RFCOMM TTY layer initialized
[ 12.295527] Bluetooth: RFCOMM socket layer initialized
[ 12.295531] Bluetooth: RFCOMM ver 1.11
david@Kubuntu-desktop-2021:~$ hciconfig -a
hci0: Type: Primary Bus: USB
        BD Address: E8:48:B8:C8:20:00 ACL MTU: 1021:6 SCO MTU: 255:12
        UP RUNNING PSCAN ISCAN
        RX bytes:3179 acl:0 sco:0 events:327 errors:0
        TX bytes:9486 acl:0 sco:0 commands:305 errors:0
        Features: 0xff 0xff 0xff 0xfe 0xdb 0xfd 0x7b 0x87
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy: RSWITCH HOLD SNIFF PARK
        Link mode: SLAVE ACCEPT
        Name: 'Kubuntu-desktop-2021'
        Class: 0x1c0104
        Service Classes: Rendering, Capturing, Object Transfer
        Device Class: Computer, Desktop workstation
        HCI Version: 5.1 (0xa) Revision: 0xb
        LMP Version: 5.1 (0xa) Subversion: 0x8761
        Manufacturer: Realtek Semiconductor Corporation (93)

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.13.0-27-generic 5.13.0-27.29~20.04.1
ProcVersionSignature: Ubuntu 5.13.0-27.29~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-27-generic x86_64
NonfreeKernelModules: wl nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Sat Jan 22 18:25:42 2022
InstallationDate: Installed on 2021-03-28 (300 days ago)
InstallationMedia: Kubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
SourcePackage: linux-signed-hwe-5.13
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.