I've got a ton of these messages logged since last update: Jan 29 13:06:09 localhost kernel: ACPI Error (psargs-0351): [PBST]Namespace lookup failure, AE_NOT_FOUND Jan 29 13:06:09 localhost kernel: ACPI Error (psparse-0517): Method parse/execution failed [\_SB_.PCI0.LPC0.BAT1._BST] (N ode ffff810037e24508), AE_NOT_FOUND