Seemingly out of nowhere, Bluetooth stopped working on my laptop - Lenovo Thinkpad E585. Have Dual Boot setup, Bluetooth works in Windows 10 just fine.
Following the format of bug #1859592:
$ dmesg | grep -i bluetooth
[ 1.429958] usb 3-1: Product: Bluetooth Radio
[ 3.503239] Bluetooth: Core ver 2.22
[ 3.503271] Bluetooth: HCI device and connection manager initialized
[ 3.503277] Bluetooth: HCI socket layer initialized
[ 3.503279] Bluetooth: L2CAP socket layer initialized
[ 3.503285] Bluetooth: SCO socket layer initialized
[ 7.794637] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 7.794639] Bluetooth: BNEP filters: protocol multicast
[ 7.794643] Bluetooth: BNEP socket layer initialized
$ uname -a
Linux BurritoBox 5.4.0-109-generic #123-Ubuntu SMP Fri Apr 8 09:10:54 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
AMD® Ryzen 3 2200u with radeon vega mobile gfx × 4 Ubuntu 20.04 LTS
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.23
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: dtwright 2142 F.... pulseaudio
/dev/snd/pcmC1D0p: dtwright 2142 F...m pulseaudio
/dev/snd/controlC0: dtwright 2142 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2022-04-15 (19 days ago)
InstallationMedia: Ubuntu 18.04.6 LTS "Bionic Beaver" - Release amd64 (20210915)
Lsusb:
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 5986:2113 Acer, Inc Integrated Camera
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 20KVCTO1WW
Package: linux (not installed)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-109-generic root=UUID=e7182339-824f-42a8-bf35-08bd382d649e ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.4.0-109.123-generic 5.4.178
RelatedPackageVersions:
linux-restricted-modules-5.4.0-109-generic N/A
linux-backports-modules-5.4.0-109-generic N/A
linux-firmware 1.187.30
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Tags: focal
Uname: Linux 5.4.0-109-generic x86_64
UpgradeStatus: Upgraded to focal on 2022-05-04 (0 days ago)
UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 11/19/2021
dmi.bios.vendor: LENOVO
dmi.bios.version: R0UET79W (1.59 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20KVCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: dmi:bvnLENOVO:bvrR0UET79W(1.59):bd11/19/2021:svnLENOVO:pn20KVCTO1WW:pvrThinkPadE585:rvnLENOVO:rn20KVCTO1WW:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad E585
dmi.product.name: 20KVCTO1WW
dmi.product.sku: LENOVO_MT_20KV_BU_Think_FM_ThinkPad E585
dmi.product.version: ThinkPad E585
dmi.sys.vendor: LENOVO
This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1971514
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.