Your dmesg shows an out of tree module called rtk_btusb. If you get rid of it the bluetooth may work with the btusb kernel module
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2007772 Title: 7392:c611 Edimax Technology Co., Ltd Edimax Bluetooth Adapter is not currently supported by the installed kernel (5.15) Status in linux package in Ubuntu: Confirmed Bug description: Hi, I wanted to connect my bluetooth headset to my Ubuntu 22.04 LTS system. I purchased a Edimax usb bluetooth dongle (BT8500 with rtl8761b chipset) which has a ubuntu driver for a supportted kernal version of 2.6.32 – 5.3. (apparently) ==== BT USB CHIPS ==== rtl8761bu_fw BTCOEX_20190327-0202 FW_VER= 0x999646b ==== BT UART CHIPS ==== rtl8761b_fw BTCOEX_20190327-0202 FW_VER= 0xd99646b However This device 7392:c611 Edimax Technology Co., Ltd Edimax Bluetooth Adapter is not currently supported by the installed kernel (5.15), neither it is supported by the next 5.19 Ubuntu kernel. Support for this device has been added by this patch to Linux mainline. If you install a recent mainline kernel, the device should work. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/bluetooth/btusb.c?h=v6.1.12&id=c7577014b74c5369490715015db096182f1a2a23 systemctl status bluetooth.service ● bluetooth.service - Bluetooth service Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled) Active: active (running) since Thu 2023-02-09 21:22:48 NZDT; 28min ago Docs: man:bluetoothd(8) Main PID: 1006 (bluetoothd) Status: "Running" Tasks: 1 (limit: 38335) Memory: 2.0M CPU: 133ms CGroup: /system.slice/bluetooth.service └─1006 /usr/lib/bluetooth/bluetoothd Feb 09 21:22:48 Edward bluetoothd[1006]: Starting SDP server Feb 09 21:22:48 Edward bluetoothd[1006]: Bluetooth management interface 1.21 initialized Feb 09 21:23:13 Edward bluetoothd[1006]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSink/sbc Feb 09 21:23:13 Edward bluetoothd[1006]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSource/sbc Feb 09 21:23:13 Edward bluetoothd[1006]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSink/sbc_xq_453 Feb 09 21:23:13 Edward bluetoothd[1006]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSource/sbc_xq_453 Feb 09 21:23:13 Edward bluetoothd[1006]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSink/sbc_xq_512 Feb 09 21:23:13 Edward bluetoothd[1006]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSource/sbc_xq_512 Feb 09 21:23:13 Edward bluetoothd[1006]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSink/sbc_xq_552 Feb 09 21:23:13 Edward bluetoothd[1006]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSource/sbc_xq_552 [86619.755586] rtk_btcoex: Close BTCOEX [86619.755592] rtk_btcoex: -x [86619.857321] rtk_btusb: btusb_open start [86619.857326] rtk_btusb: btusb_open hdev->promisc ==0 [86619.857329] rtk_btusb: download_patch start [86619.857331] rtk_btusb: chip type value: 0x74 systemctl status bluetooth.service 13/02 ● bluetooth.service - Bluetooth service Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled) Active: active (running) since Sun 2023-02-12 22:01:25 NZDT; 22h ago Docs: man:bluetoothd(8) Main PID: 1008 (bluetoothd) Status: "Running" Tasks: 1 (limit: 38335) Memory: 2.2M CPU: 180ms CGroup: /system.slice/bluetooth.service └─1008 /usr/lib/bluetooth/bluetoothd Feb 13 19:39:54 Edward bluetoothd[1008]: Endpoint unregistered: sender=:1.84 path=/MediaEndpoint/A2DPSource/sbc_xq_552 Feb 13 20:11:52 Edward bluetoothd[1008]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSink/sbc Feb 13 20:11:52 Edward bluetoothd[1008]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSource/sbc Feb 13 20:11:52 Edward bluetoothd[1008]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSink/sbc_xq_453 Feb 13 20:11:52 Edward bluetoothd[1008]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSource/sbc_xq_453 Feb 13 20:11:52 Edward bluetoothd[1008]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSink/sbc_xq_512 Feb 13 20:11:52 Edward bluetoothd[1008]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSource/sbc_xq_512 Feb 13 20:11:52 Edward bluetoothd[1008]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSink/sbc_xq_552 Feb 13 20:11:52 Edward bluetoothd[1008]: Endpoint registered: sender=:1.84 path=/MediaEndpoint/A2DPSource/sbc_xq_552 Feb 13 20:11:52 Edward bluetoothd[1008]: src/adv_monitor.c:btd_adv_monitor_power_down() Unexpected NULL btd_adv_monitor_manager object upon power down systemctl status snap.bluez.bluez.service × snap.bluez.bluez.service - Service for snap application bluez.bluez Loaded: loaded (/etc/systemd/system/snap.bluez.bluez.service; enabled; vendor preset: enabled) Active: failed (Result: exit-code) since Wed 2023-02-08 19:28:26 NZDT; 20min ago Main PID: 1541 (code=exited, status=1/FAILURE) CPU: 32ms Feb 08 19:28:26 Edward systemd[1]: snap.bluez.bluez.service: Failed with result 'exit-code'. Feb 08 19:28:26 Edward bluetoothd[1541]: Unable to get on D-Bus Feb 08 19:28:26 Edward systemd[1]: snap.bluez.bluez.service: Scheduled restart job, restart counter is at 5. Feb 08 19:28:26 Edward systemd[1]: Stopped Service for snap application bluez.bluez. Feb 08 19:28:26 Edward systemd[1]: snap.bluez.bluez.service: Start request repeated too quickly. Feb 08 19:28:26 Edward systemd[1]: snap.bluez.bluez.service: Failed with result 'exit-code'. Feb 08 19:28:26 Edward systemd[1]: Failed to start Service for snap application bluez.bluez. neale@Edward:~$ ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-5.15.0-60-generic 5.15.0-60.66 ProcVersionSignature: Ubuntu 5.15.0-60.66-generic 5.15.78 Uname: Linux 5.15.0-60-generic x86_64 ApportVersion: 2.20.11-0ubuntu82.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: neale 2679 F.... pulseaudio /dev/snd/controlC0: neale 2679 F.... pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Sun Feb 19 12:51:34 2023 InstallationDate: Installed on 2020-12-29 (781 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M. ProcFB: 0 nouveaudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-60-generic root=UUID=23745447-88ec-4333-8505-23b3b71170eb ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.15.0-60-generic N/A linux-backports-modules-5.15.0-60-generic N/A linux-firmware 20220329.git681281e4-0ubuntu3.10 SourcePackage: linux UpgradeStatus: Upgraded to jammy on 2022-09-01 (170 days ago) dmi.bios.date: 03/19/2014 dmi.bios.release: 4.6 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F5f dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: X79S-UP5 dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF5f:bd03/19/2014:br4.6:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnX79S-UP5:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:skuTobefilledbyO.E.M.: dmi.product.family: To be filled by O.E.M. dmi.product.name: To be filled by O.E.M. dmi.product.sku: To be filled by O.E.M. dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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