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I did something I don't know how to fix, and now I need help. I was trying to get bluetooth working, so I installed Bluez 5.39 with bluez-5.39.tar.xz from the download page with ./configure, make, and sudo make install. (I don't like installing stuff this way, and I shouldn't have done this.) It didn't solve the issue: it was failing to create LE connection. Then I decided to uninstall Bluez 5.39. (Why???)

From bluez-5.39 directory I ran sudo make uninstall. And then the real problem started: link to image of message "Bluetooth is disabled" on Ubuntu System Settings. Switching bluetooth on or off does not affect the message in the left side.

This is what the uninstall did, and I only noticed important files were gone when it was already too late.

bluez-5.39$ sudo make uninstall
 ( cd '/usr/bin' && rm -f bluetoothctl btmon hciattach hciconfig hcitool hcidump rfcomm rctest l2test l2ping sdptool ciptool bccmd bluemoon hex2hcd mpris-proxy )
 ( cd '/usr/lib/cups/backend' && rm -f bluetooth )
 ( cd '/etc/dbus-1/system.d' && rm -f bluetooth.conf )
 ( cd '/usr/share/dbus-1/services' && rm -f org.bluez.obex.service )
 ( cd '/usr/share/dbus-1/system-services' && rm -f org.bluez.service )
 ( cd '/usr/libexec/bluetooth' && rm -f bluetoothd obexd )
 ( cd '/usr/share/man/man1' && rm -f hciattach.1 hciconfig.1 hcitool.1 hcidump.1 rfcomm.1 rctest.1 l2ping.1 sdptool.1 ciptool.1 bccmd.1 hid2hci.1 )
 ( cd '/usr/share/man/man8' && rm -f bluetoothd.8 )
 ( cd '/lib/udev/rules.d' && rm -f 97-hid2hci.rules )
 ( cd '/lib/systemd/system' && rm -f bluetooth.service )
 ( cd '/usr/lib/systemd' && rm -f obex.service )
 ( cd '/lib/udev' && rm -f hid2hci )

Trying to fix the mess I made, I did the following:

$ sudo apt-get --reinstall install bluez bluez-alsa bluez-audio bluez-btsco bluez-compat bluez-cups bluez-dbg bluez-gstreamer bluez-hcidump bluez-pcmcia-support bluez-tools bluez-utils python-bluez bluewho indicator-bluetooth libbluetooth-dev libgnome-bluetooth11 libbluetooth3 python-gobject python-dbus

And it throwed me a dependency error.

Then I did:

$ sudo apt-get build-dep bluetooth

And it installed bluez, bluez-alsa:amd64, bluez-gstreamer, bluez-audio, bluez-dbg, indicator-bluetooth.

And then the following seems to have been installed properly:

$ sudo apt-get --reinstall install bluez-btsco bluez-compat bluez-cups bluez-gstreamer bluez-hcidump bluez-pcmcia-support bluez-tools bluez-utils python-bluez bluewho libbluetooth-dev libgnome-bluetooth11 libbluetooth3 python-gobject python-dbus

I tried to google for the default bluetooth.conf file, but I didn't find it, and I believe it's not the only thing that is missing.

Currently dmesg | grep -i blue outputs the following on the terminal:

$ dmesg | grep -i blue
[    3.394321] Bluetooth: Core ver 2.20
[    3.394342] Bluetooth: HCI device and connection manager initialized
[    3.394346] Bluetooth: HCI socket layer initialized
[    3.394349] Bluetooth: L2CAP socket layer initialized
[    3.394356] Bluetooth: SCO socket layer initialized
[    4.084818] Bluetooth: RFCOMM TTY layer initialized
[    4.084824] Bluetooth: RFCOMM socket layer initialized
[    4.084828] Bluetooth: RFCOMM ver 1.11
[    4.120553] init: bluetooth main process (811) terminated with status 1
[    4.120566] init: bluetooth main process ended, respawning
[    4.186711] init: bluetooth main process (924) terminated with status 1
[    4.186720] init: bluetooth main process ended, respawning
[    4.201162] init: bluetooth main process (935) terminated with status 1
[    4.201176] init: bluetooth main process ended, respawning
[    4.212252] init: bluetooth main process (946) terminated with status 1
[    4.212266] init: bluetooth main process ended, respawning
[    4.224325] init: bluetooth main process (960) terminated with status 1
[    4.224334] init: bluetooth main process ended, respawning
[    4.239237] init: bluetooth main process (973) terminated with status 1
[    4.239251] init: bluetooth main process ended, respawning
[    4.248063] init: bluetooth main process (982) terminated with status 1
[    4.248077] init: bluetooth main process ended, respawning
[    4.256712] init: bluetooth main process (991) terminated with status 1
[    4.256725] init: bluetooth main process ended, respawning
[    4.265736] init: bluetooth main process (1000) terminated with status 1
[    4.265751] init: bluetooth main process ended, respawning
[    4.274191] init: bluetooth main process (1009) terminated with status 1
[    4.274207] init: bluetooth main process ended, respawning
[    4.283039] init: bluetooth main process (1018) terminated with status 1
[    4.283048] init: bluetooth respawning too fast, stopped

When I try bluetoothd on the terminal nothing happens, but /var/log/syslog gets this:

bluetoothd[3517]: Bluetooth daemon 4.101
bluetoothd[3517]: Unable to get on D-Bus

The question has become quite lengthy because I'm trying to detail what I did so far. (And I'm not using any USB adapter for bluetooth.)

Is there any other log that I need post?

Bottom line: how to get bluetooth working again?

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  • No problem. I often get help from Q&A at StackExchange sites, I'm not yet used to posting questions.
    – tpires
    Commented May 4, 2016 at 17:10
  • thx. Remember to choose the answer as the solution once it lets you.
    – chaskes
    Commented May 4, 2016 at 17:13

1 Answer 1

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I copied the files below from another computer running Ubuntu 14.04 where bluetoothd -v is 4.101 too.

/etc/dbus-1/system.d/bluetooth.conf
/lib/systemd/system/bluetooth.service
/lib/udev/hid2hci
/lib/udev/rules.d/97-hid2hci.rules
/usr/lib/cups/backend/bluetooth
/usr/share/man/man1/bluetooth.1.gz /usr/share/man/man1/
/usr/share/man/man1/{hcitool.1,rfcomm.1,rctest.1,sdptool.1,ciptool.1} /usr/share/man/man1/
/usr/share/man/man8/{hciattach.8,hciconfig.8,hid2hci.8,l2ping.8,bccmd.8,bluetoothd.8} /usr/share/man/man8/

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