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ACPI Error at boot time

I am getting two errors almost always at boot time:
ACPI Error: Cannot release Mutex [PATM], not acquired (20160831/exmutex-393)
ACPI Error: Method parse/execution failed [\_SB.PCI0.LPCB.ECDV._Q66] (Node ffff8cf9129f5898), AE_AML_MUTEX_NOT_ACQUIRED (20160831/psparse-543)
I am dual booting Win 10 and am also getting errors about missing firmware (Atheros) which I believe is not related to this.
thanks for your help !