Flakey Bluetooth Devices

[Jonathan Ryshpan <jonrysh@xxxxxxxxxxx>]

There are two bluetooth devices paired with my main computer.  The connection is via this dongle:

$ lsusb

...

Bus 003 Device 003: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

Two devices are paired:

$ bluetoothctl paired-devices

Device C0:15:DA:B9:77:39 Bluetooth Ergonomic Mouse

Device 3B:0C:40:C7:35:16 TEWELL T-1

Both have problems:

The MS Ergonomic Mouse often doesn't connect when the system starts.  Sometimes it's possible to get it to connect by running

$ bluetoothctl connect C0:15:DA:B9:77:39

but generally the only way to get the it to connect is by running:

$ sudo pkill bluetoothd

which kills the bluetooth daemon; another instance is automatically restarted, which recognizes the mouse.

Also, the mouse often falls asleep; it's possible to wake it by moving it around, but it would be nicer is it stayed awake.

$ bluetoothctl info C0:15:DA:B9:77:39

Device C0:15:DA:B9:77:39 (random)

        Name: Bluetooth Ergonomic Mouse

        Alias: Bluetooth Ergonomic Mouse

        Appearance: 0x03c2

        Icon: input-mouse

        Paired: yes

        Trusted: yes

        Blocked: no

        Connected: yes

        WakeAllowed: yes

        LegacyPairing: no

        UUID: Generic Access Profile    (00001800-0000-1000-8000-00805f9b34fb)

        UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)

        UUID: Device Information        (0000180a-0000-1000-8000-00805f9b34fb)

        UUID: Battery Service           (0000180f-0000-1000-8000-00805f9b34fb)

        UUID: Human Interface Device    (00001812-0000-1000-8000-00805f9b34fb)

        UUID: Vendor specific           (7a440b82-7fc2-45bd-83e6-d6d78c5669d1)

        Modalias: usb:v045Ep0834d0124

        Battery Percentage: 0x64 (100)

The TEWELL internet radio often cuts off the first part of sentences when listening to voice.  I can post a recording if anyone wants to hear.

$ bluetoothctl info 3B:0C:40:C7:35:16
Device 3B:0C:40:C7:35:16 (public)
       Name: TEWELL T-1
       Alias: TEWELL T-1
       Class: 0x00340404
       Icon: audio-headset
       Paired: yes
       Trusted: yes
       Blocked: no
       Connected: yes
       LegacyPairing: no
       UUID: Audio Sink                (0000110b-0000-1000-8000-00805f9b34fb)
       UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
       UUID: Advanced Audio Distribu.. (0000110d-0000-1000-8000-00805f9b34fb)
       UUID: A/V Remote Control        (0000110e-0000-1000-8000-00805f9b34fb)
       UUID: PnP Information           (00001200-0000-1000-8000-00805f9b34fb)
       Modalias: bluetooth:v05D6p000Ad0240

System Info:

Operating System: Fedora Linux 35

KDE Plasma Version: 5.23.5

KDE Frameworks Version: 5.90.0

Qt Version: 5.15.2

Kernel Version: 5.16.5-200.fc35.x86_64 (64-bit)

Graphics Platform: X11

Processors: 8 × Intel® Core™ i7-4790K CPU @ 4.00GHz

Memory: 15.5 GiB of RAM

Graphics Processor: Mesa Intel® HD Graphics 4600

-- 

Sincerely Jonathan Ryshpan <jonrysh@xxxxxxxxxxx>

	All the world's a stage and most of us are 
	desperately unrehearsed.  -- Sean O'Casey

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