I found out the gnome is buggy in last release. Upgrading gnome is fixed my problem. (also graphical glitch and freeze problems).
But now nautilus does not work perfectly. Now i gotta fix it :) Here's the solution worked for me: http://www.webupd8.org/2014/10/how-to-install-gnome-314-in-ubuntu.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1397116 Title: Keyboard input does not work as expected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/poedit/+bug/1397116/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs