I resolved the problem after reboot- It seems the problem is related with a hang tty:
http://ubuntuforums.org/showthread.php?t=406218 -- package console-setup 1.21ubuntu8 failed to install/upgrade: https://bugs.launchpad.net/bugs/224407 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
