It appears BlueZ upstream does not restart on failure, but in Ubuntu we
turned on restart-on-failure in version 5.53-0ubuntu3. I suggest the
best way to get that fix right now is to upgrade to Ubuntu 20.04.
** Changed in: bluez (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1948990
Title:
Bluetooth does not turn on via gnome-control-center after
bluetooth.service crash
Status in bluez package in Ubuntu:
Fix Released
Bug description:
I had bluetooth crash (see logs below). After the crash, I attempted
to restart bluetooth by pressing the On/Off switch in the top-right of
the Bluetooth tab of gnome-control-center (it was set to off). After
pressing the switch, the switch read "On", but the display of
Bluetooth devices still appeared as it does when Bluetooth is off (it
read "Bluetooth Turned Off\nTurn on to connect devices and receive
file transfers.").
I was able to remedy the situation by manually executing `sudo
bluetoothd`. I did this while the above On/Off switch was "Off" and
the Bluetooth device list said Bluetooth was off. After executing,
the Bluetooth device list listed all my Bluetooth devices as expected.
This is with bluetoothd 5.48.
Bluetooth crash logs
```
12:22:15 pulseaudio: (6856.168| 0.576) [pulseaudio] bluez5-util.c:
Bluetooth daemon disappeared
12:22:15 systemd: bluetooth.service: Failed with result 'core-dump'.
12:22:15 systemd: bluetooth.service: Failed with result 'core-dump'.
12:22:15 systemd: bluetooth.service: Main process exited, code=dumped,
status=11/SEGV
12:22:15 kernel: bluetoothd[816]: segfault at 31 ip 0000562f7fa9bea2 sp
00007ffd0d54b720 error 4 in bluetoothd[562f7fa00000+f3000]
10:28:31 kernel: hid-generic 0005:046D:B019.0007: input,hidraw6: BLUETOOTH
HID v0.06 Keyboard [MX Master 2S] on F4:D1:08:9E:7B:85
10:28:31 bluetoothd: bt_uhid_send: Invalid argument (22)
10:28:31 bluetoothd: bt_uhid_send: Invalid argument (22)
10:28:31 bluetoothd: bt_uhid_send: Invalid argument (22)
10:28:31 bluetoothd: bt_uhid_send: Invalid argument (22)
10:28:31 bluetoothd: bt_uhid_send: Invalid argument (22)
10:28:31 bluetoothd: bt_uhid_send: Invalid argument (22)
10:28:31 bluetoothd: bt_uhid_send: Invalid argument (22)
10:28:31 bluetoothd: bt_uhid_send: Invalid argument (22)
10:28:31 bluetoothd: bt_uhid_send: Invalid argument (22)
10:28:31 bluetoothd: bt_uhid_send: Invalid argument (22)
```
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-control-center 1:3.28.2-0ubuntu0.18.04.6
Uname: Linux 5.10.0-051000-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.26
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct 27 13:00:09 2021
InstallationDate: Installed on 2021-01-04 (295 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
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