Using a new built system and Ubuntu Mate 16.04, I was having a USB keyboard and mouse issues. Mostly sluggish mouse issues. After buying another mouse and noticing the same issue, I realized that it must be an issue with Ubuntu. So I found this forum thread. It wasn't clear what I should do. I just guessed, and it seems to work so far.
I didn't have the "cmdline.txt" file mentioned in my boot folder, so I created one in the boot folder and just typed in "usbhid.mousepoll=0" and saved it. Seems to be working perfectly so far. I haven't rebooted yet.
So, I guess, if you are having the same problem... (in Ubuntu 16.04 or whatever)
- Just create "cmdline.txt" in your boot folder (if it isn't already there).
- Add "usbhid.mousepoll=0" and save it.
That should fix it, I'm guess.