Just to clear out things , I have to add here something important , I can boot normally without any serious problems.
Searched the "Launchpad Bug reports" for the dmesg weird messages and found this bug #1084044 , that sent me here (as duplicate of this). Thanks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1081790 Title: ACPI: Invalid Power Resource to Register! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1081790/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
