Sounds similar to bug 2066129 and bug 2066307, but currently we're blaming those on the Nvidia driver. And you seem to be using Intel graphics.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2067143 Title: ‘no signal’ after monitor sleep or monitor turned off To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2067143/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
