I have the same problem with Logitech K120, sometimes after cold boot this keyboard not function, it is like freeze and for resolve the problem i have to detach the keyboard from usb port and reattach.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1278373 Title: keyboard does not work at login Status in “lightdm” package in Ubuntu: Confirmed Bug description: In Ubuntu 14.04 daily (current versions today) there repeatently appears a bug that makes it impossible to enter a password on login. It is still possible to select another user by mouse but not to enter something in the password field. Rebooting does not help. A workaround is to select and login to guest session and logout again, afterwards it is possible to enter a password again. The but occurs almost everytime after bootup. (lightdm version 1.9.7) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1278373/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
