ACPI Warning при загрузке системы

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Собственно такие сообщения были с самого начала использования ноутбука, и вроде все работает, но все равно интересно отчего это.

[    1.587140] ACPI Warning: SystemIO range 0x0000000000006040-0x000000000000605F conflicts with OpRegion 0x0000000000006040-0x000000000000604F (\_SB_.PCI0.SBUS.SMBI) (2$
[   11.194916] ACPI Warning: \_SB_.PCI0.PEG1.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
[   11.194947] ACPI Warning: \_SB_.PCI0.PEG1.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
[   11.194959] ACPI Warning: \_SB_.PCI0.PEG1.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
[   11.194979] ACPI Warning: \_SB_.PCI0.PEG1.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
[   11.194991] ACPI Warning: \_SB_.PCI0.PEG1.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
[   11.195052] ACPI Warning: \_SB_.PCI0.PEG1.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
[   11.195064] ACPI Warning: \_SB_.PCI0.PEG1.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
[   11.208685] ACPI Warning: \_SB_.PCI0.PEG1.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
[   11.622558] ACPI Warning: \_SB_.PCI0.PEG1.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)