I was due to a legacy configuration script which wrongly disables the usb device using xinput from time to time ... not a valid issue.
** Changed in: ubuntu-gnome-meta (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813555 Title: mouse hangs after some keyboard activity To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-gnome-meta/+bug/1813555/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs