This bug is now assigned to the Linux kernel. To help the kernel developers find the cause of the regression they will probably ask for someone experiencing the problem to "bisect" the issue in greater detail than just "4.14 works but 4.15 doesn't". The steps are here: https://wiki.ubuntu.com/Kernel/KernelBisection
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.net/bugs/1769075 Title: [regression][bionic] Bluetooth keyboard battery reports 0% (in kernel 4.15 and later) Status in bluez package in Ubuntu: Invalid Status in linux package in Ubuntu: Confirmed Bug description: I've recently upgraded to 18.04 from 17.10 and after the upgrade "upower -d" reports always 0% as battery percentage of the bluetooth Logitech K810 keyboard. Which is a bit annoying since I get a KDE warning on the battery. Device: /org/freedesktop/UPower/devices/keyboard_hid_34o88o5do5eo0co2f_battery native-path: hid-34:88:5d:5e:0c:2f-battery model: Logitech K810 power supply: no updated: Fri 04 May 2018 09:20:43 AM CEST (51 seconds ago) has history: yes has statistics: yes keyboard present: yes rechargeable: yes state: unknown warning-level: none percentage: 0% icon-name: 'battery-missing-symbolic' My guess is that the issue is in the bluetooth rather in the upowerd since the reporting in the /sys/devices shows battery level of 0 --- ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: bnv 1714 F.... pulseaudio /dev/snd/pcmC0D0p: bnv 1714 F...m pulseaudio /dev/snd/controlC0: bnv 1714 F.... pulseaudio CurrentDesktop: KDE DistroRelease: Ubuntu 18.04 HibernationDevice: RESUME=UUID=e962613c-fc88-4740-8f0a-997838d3c2cf InstallationDate: Installed on 2017-11-02 (185 days ago) InstallationMedia: Kubuntu 17.10 "Artful Aardvark" - Release amd64 (20171017.1) IwConfig: lo no wireless extensions. enp0s25 no wireless extensions. MachineType: Dell Inc. Precision Tower 5810 NonfreeKernelModules: nvidia_modeset nvidia Package: linux (not installed) ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-20-generic root=UUID=4940c5fe-b600-4f27-8586-c6ac06ccea99 ro vga=773 quiet ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 RelatedPackageVersions: linux-restricted-modules-4.15.0-20-generic N/A linux-backports-modules-4.15.0-20-generic N/A linux-firmware 1.173 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no Tags: bionic Uname: Linux 4.15.0-20-generic x86_64 UpgradeStatus: Upgraded to bionic on 2018-04-30 (7 days ago) UserGroups: adm cdrom dialout dip kvm lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 05/08/2017 dmi.bios.vendor: Dell Inc. dmi.bios.version: A19 dmi.board.name: 0K240Y dmi.board.vendor: Dell Inc. dmi.board.version: A01 dmi.chassis.type: 7 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA19:bd05/08/2017:svnDellInc.:pnPrecisionTower5810:pvr:rvnDellInc.:rn0K240Y:rvrA01:cvnDellInc.:ct7:cvr: dmi.product.name: Precision Tower 5810 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1769075/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
