I am seeing the same problem in stable 13.6, package version 5.82-1.1. Updating the kernel and firmware-mediatek packages from backports didn't help.
I manually backported bluez-5.85-4 from testing, and this DID fix the problem. Relevant installed packages: ii bluetooth 5.85-4~bpo13+1 ii bluez 5.85-4~bpo13+1 ii libbluetooth3:amd64 5.85-4~bpo13+1 ii libspa-0.2-bluetooth:amd64 1.4.2-1 ii firmware-mediatek 20250410-2 ii linux-image-6.12.95+deb13-amd64 6.12.95-1 One of my CPUs being pinned at 100% usage while streaming music over Bluetooth severely drains the battery life on my laptop, so perhaps this bug is of a higher priority, and a stable update is needed? Thanks. On Mon, Jan 27, 2020 at 02:21:27AM +0530, Harsha wrote: > Package: bluez > Version: 5.50-1 > Severity: important > Tags: a11y > > Dear Maintainer, > > *** Reporter, please consider answering these questions, where appropriate *** > > * What led up to the situation? > switched on bluetooth in my dell studio 1735 running debian 10. > * What exactly did you do (or not do) that was effective (or > ineffective)? > turned off the bluetooth radio from settings menu which ineffective. > turning > off bluetooth in bios seems to solve the problem. > * What was the outcome of this action? > cpu usage remains 100% all the time. > * What outcome did you expect instead? > turing off/on of bluetooth radio should not keep the cpu usage at 100%. > *** End of the template - remove these template lines *** > > > > -- System Information: > Debian Release: 10.2 > APT prefers stable > APT policy: (500, 'stable') > Architecture: amd64 (x86_64) > > Kernel: Linux 4.19.0-6-amd64 (SMP w/2 CPU cores) > Locale: LANG=en_IN, LC_CTYPE=en_IN (charmap=UTF-8), LANGUAGE=en_IN:en > (charmap=UTF-8) > Shell: /bin/sh linked to /usr/bin/dash > Init: systemd (via /run/systemd/system) > LSM: AppArmor: enabled > > Versions of packages bluez depends on: > ii dbus 1.12.16-1 > ii kmod 26-1 > ii libasound2 1.1.8-1 > ii libc6 2.28-10 > ii libdbus-1-3 1.12.16-1 > ii libdw1 0.176-1.1 > ii libglib2.0-0 2.58.3-2+deb10u2 > ii libreadline7 7.0-5 > ii libudev1 241-7~deb10u2 > ii lsb-base 10.2019051400 > ii udev 241-7~deb10u2 > > bluez recommends no packages. > > Versions of packages bluez suggests: > ii pulseaudio-module-bluetooth 12.2-4+deb10u1 > > -- no debconf information >
