I installed Ubuntu Studio and experienced same with amd64 platform, vmlinuz-5.0.0-8-lowlatency. After installing generic kernel, usb mouse performance returned to normal. I had this also with the live version 18.xx last fall, and never installed.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1787743 Title: Slow USB mouse input on linux-lowlatency To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1787743/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs