I have solved the issue reading this http://askubuntu.com/questions/292696/ubuntu-crashes-when-on-battery- power
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1328887 Title: Ubuntu 14.04 crash if used with battery To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1328887/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs