This sounds like a kernel problem, and at least very likely not caused by Xorg. So reassigning to the kernel.
** Package changed: xorg-server (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1744510 Title: RF mouse (with USB dongle) doesn't work after reboot until I unplug it and plug it back in To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1744510/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

