I also see those errors. Additionally "hp_wmi: query 0x4 returned error 0x5". My grub configuration is untouched!
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1758442 Title: [HP WMI] Issues with brightness keys [HP ProBook 640 G1] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1758442/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
