I can confirm this and this bug still persists in Ubuntu 16.04.1 LTS
Wired mouse is fine but if only wireless mouse is connected on a system, this bug will appear. I tested with Logitech M210 and M150
xinput --list output: ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ Logitech USB Receiver id=10 [slave pointer (2)] ⎜ ↳ Logitech USB Receiver id=12 [slave pointer (2)] ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)] ↳ Power Button id=6 [slave keyboard (3)] ↳ Video Bus id=7 [slave keyboard (3)] ↳ Power Button id=8 [slave keyboard (3)] ↳ Eee PC WMI hotkeys id=14 [slave keyboard (3)] ↳ Logitech USB Receiver id=9 [slave keyboard (3)] ↳ Logitech USB Receiver id=11 [slave keyboard (3)
I can confirm this and this bug still persists in Ubuntu 16.04.1 LTS
Wired mouse is fine but if only wireless mouse is connected on a system, this bug will appear.
I tested with Logitech M210 and M150
xinput --list output:
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech USB Receiver id=10 [slave pointer (2)]
⎜ ↳ Logitech USB Receiver id=12 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Power Button id=8 [slave keyboard (3)]
↳ Eee PC WMI hotkeys id=14 [slave keyboard (3)]
↳ Logitech USB Receiver id=9 [slave keyboard (3)]
↳ Logitech USB Receiver id=11 [slave keyboard (3)