Re: Flakey Bluetooth Devices

[Jonathan Ryshpan <jonrysh@xxxxxxxxxxx>]

On Wed, 2022-02-09 at 13:48 -0500, Tom Horsley wrote:

On Wed, 09 Feb 2022 10:32:30 -0800 Jonathan Ryshpan wrote:

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:

I've never had any bluetooth device reliably connecting to anything (linux, windows, my car's audio, you name it). I've always suspected

that "flakey" was mandated in the bluetooth standard.

A lucky Google hit has led me to a cure, which is to create /etc/udev/rules.d/50-usb_power_save.rules. This disables power saving to the bluetooth dongle. Read:

https://askubuntu.com/questions/1303731/how-to-change-bluetooth-timeout-settings-for-bluetooth-mouse

to find the magic and also links to explanations.

-- 

Sincerely Jonathan Ryshpan <jonrysh@xxxxxxxxxxx>

	Trust everyone -- But cut the cards.

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