> > > > Hi! > > OK, here are the tables (I hope I've found the addresses right :-) ). > > yes. > I have found the root caused of this issue. > > BIOS provides duplicate ACPI method _CST, which is used for processor > c-state control, for each processor. And the error message is printed > out when ACPI tries to install the second _CST method. > > This is a BIOS problem to me. > > But anyway, it's harmless, the two _CST methods are the same, and the > second _CST will be ignored automatically. > > If you still don't like this warning message, you need to upgrade your > BIOS to see if they have already been fixed. :) > > thanks, > rui > Hi Rui, thanks for your expertise. There is not a BIOS update yet for this motherboard, this was the first thing I was checking before I started this thread. So, if it is harmless, I will let it be. With regards, Pavel. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html