Does not this observation: https://bugzilla.kernel.org/show_bug.cgi?id=9448#c42 and that the problem does not occur using USB keyboard indicate that this is a kernel issue for this hardware?
** Bug watch added: Linux Kernel Bug Tracker #9448 http://bugzilla.kernel.org/show_bug.cgi?id=9448 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/769103 Title: Keys sometimes get stuck in X server on Gigabyte T1005 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs