[Bug 1651433] [NEW] bluetooth mouse random disconnects

[Richard Ulrich]

Public bug reported:

I received the Dell XPS 13 DE (9350) accompanied by the WD15 docking station last September. Ever since I used it with my Logitech MX Master bluetooth mouse.
This worked very well and reliably for September through November.
But Since about start of December, it disconnects frequently and without any apparent reason.
I can get it back to order by disabling and re-enabling the bluetooth radio of the notebook. After I re-enable the bt radio and move the mouse it work immediately without any delay.
Sometimes it disconnects after 10 seconds. Sometimes I can work for 10 hours without any disconnect.
For the entire lifetime the device has been running xenial. Currently I'm on kernel Linux XPS13ulr 4.4.0-53-generic #74-Ubuntu SMP
Because the issue started happening at a certain date, I strongly believe that it was caused by and upgrade, possibly kernel.

I wanted to see if the same disconnects also happen with other BT devices. But for as long as I had the Jabra Halo 2 headset connected, also the mouse worked reliably. 
The mouse is my only BT LE device. Maybe that makes a difference.

** Affects: bluez (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bluetooth logitech mouse

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https://bugs.launchpad.net/bugs/1651433

Title:
  bluetooth mouse random disconnects

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