acpi error message at boot: "ACPI _OSC request failed (AE_ERROR), returned control mask: 0x1d"
(Doc ID 2317320.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle VM - Version 3.2.2 and later
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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