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Hi,
I have a bluetooth keyboard that I use for my laptop, which runs Kubuntu
19.04. I noticed though, that a short while after connecting the
keyboard, the CPU fan goes on and one of the threads is at 100%. If I
open a terminal and type "top", it shows that a process called
bluetoothd is taking 12% of the CPU power which is a full thread
(100/8=12.5). I'm not sure what it's doing, but it doesn't require that
much CPU power to work. If I end the process and restart it, the
keyboard works fine and the CPU is calm until it happens again (about 20
minutes later). I reinstalled bluez and even tried recompiling from
source, but the problem persists.
My specs:
Version of bluetoothd: 5.50
Linux Kernel: 5.3.0-46-generic
KDE Plasma Version 5.16.5
Thank you,
Isaac Cohen
** Affects: bluez (Ubuntu)
Importance: Undecided
Status: New
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Bluetoothd uses 100% of a CPU thread
https://bugs.launchpad.net/bugs/1871695
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