Re: Logging out kills Bluetooth

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On 12/16/16 19:44, Patrick O'Callaghan wrote:
> On Fri, 2016-12-16 at 18:56 +0800, Ed Greshko wrote:
>> On 12/16/16 17:55, Patrick O'Callaghan wrote:
>>> I've been having problems with my Bluetooth mouse for a long time now.
>>> My PC has a dongle and BT randomly disconnects when I reboot or even
>>> return from hibernation or suspend. I've put "hciconfig hci0 up" in an
>>> rc.local script to try to force it but even that only works some of the
>>> time.
>>>
>>> However aside from all that, I've now noticed that it frequently
>>> disconnects even if I log out of Plasma and back in again. This means I
>>> have to keep an extra mouse around just to activate it.
>>>
>>> This is ridiculous. Is anyone else seeing a similar problem?
>> I don't have a bluetooth mouse.....
>>
>> But, just looking around I was wondering if making entries in /etc/bluetooth/main.conf for
>> ReconnectUUIDs and the related options would be helpful.
> I think I'm missing something here. How do I discover what UUID my
> device has? The man pages are completely silent. The only mention of
> UUIDs relates either to programs for generating new ones, or for stuff
> related to disk drives (which I'm already familiar with).
>
> Google throws up a huge amount of BT documentaion, which (in a pattern
> familiar to us all) uses its own special terminology and cannot be
> understood unless you read all of it or take a course. Kind of like
> systemd ...
>
>

Use bluetoothctl which throws you into a shell of its own.

Then, use "info" to list information about connected devices.  My headphones give this....

Device 1C:48:F9:A0:94:2A
        Name: Jabra ROX Wireless v2.9.0
        Alias: Jabra ROX Wireless v2.9.0
        Class: 0x240404
        Icon: audio-card
        Paired: yes
        Trusted: yes
        Blocked: no
        Connected: yes
        LegacyPairing: no
        UUID: Headset                   (00001108-0000-1000-8000-00805f9b34fb)
        UUID: Audio Sink                (0000110b-0000-1000-8000-00805f9b34fb)
        UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
        UUID: A/V Remote Control        (0000110e-0000-1000-8000-00805f9b34fb)
        UUID: Handsfree                 (0000111e-0000-1000-8000-00805f9b34fb)

-- 
You're Welcome Zachary Quinto
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