It's benign; your BIOS has "duplicate WMI entries" within its ACPI tables and the kernel is reporting that.
Ignore it, and/or complain to your device's manufacturer (... and good luck with that). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1806437 Title: acpi PNP0C14:02: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:01) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1806437/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs