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acpi error message at boot: "ACPI _OSC request failed (AE_ERROR), returned control mask: 0x1d" (Doc ID 2317320.1)

Last updated on SEPTEMBER 08, 2022

Applies to:

Oracle VM - Version 3.2.2 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64


To understand the meaning of below messages at boot time in /var/log/dmesg: 

[ 1.029779] pci0000:00: Requesting ACPI _OSC control (0x1d)
[ 1.029811] pci0000:00: ACPI _OSC request failed (AE_ERROR), returned control mask: 0x1d
[ 1.029813] ACPI _OSC control for PCIe not granted, disabling ASPM





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