Not sure if this is "normal" behavior, but
#dbus-monitor --system "path=/org/bluez/hci0"
returns some interesting output. When BT is shut-off using the Gnome
Settings, an event stream is generated that appears to turn it off...,
but at the end, seems to tell something, somewhere that it is on.
..., or maybe the gsd-rfkill plugin...
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https://bugs.launchpad.net/bugs/1923323
Title:
Bluetooth will not stay OFF upon resume
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After a little searching around, it seems like the gsd-power plugin is a
possible culprit. Again..., apologies if I've miscategorized this bug.
** Package changed: gnome-power-manager (Ubuntu) => gnome-settings-
daemon (Ubuntu)
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So..., I think I figured out why "systemctl stop bluetooth" sometimes
works to disable BT thru a suspend/wake cycle, and sometimes not.
If you turn OFF BT using the GNOME settings, regardless of whether or not you
do a "systemctl stop bluetooth"..., BT will ALWAYS be turned back ON after a
suspe
Sigh. So I repeatedly testing suspend/wake following a systemctl stop
bluetooth..., and BT stayed off. Until now. I left the machine to
sleep for maybe an hour..., just woke it..., boom..., BT is back on.
So..., I guess I retract my prior "correction".
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Correction: "systemctl stop bluetooth" appears to have more durable
results wrt suspend/wake than I first thought, though I thought I tested
it pretty thoroughly. If I stop the service..., it appears to stay
stopped following suspend/wake. For the moment then, my workaround is
to set AutoEnable=
Some observations:
/etc/bluetooth/main.conf:
AutoEnable is set to "true". This causes BT to be enabled upon boot
REGARDLESS of any GNOME
settings the user might have set. When I set it to "false", I've tried
rebooting in these two
scenarios:
1. If the GNOME setting is OFF prior to re
Public bug reported:
First: apologies for the possibly incorrect package assignment..., but
"ubuntu-bug" required I select something.
Second..., this is pasted from two postings I made in Ubuntu Forums...
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Thinkpad P15gen1, Ubuntu 20.04:
Repeat-by:
Enable BT using the top menu bar dropdown