What is the meaning of X2APIC disabled warnings in boot messages running RHEL 7 Update 3 on Intel Purley 4 Socket systems?
Environment
- Red Hat Enterprise Linux 7 Update 3
- Intel Purley 4 Socket systems
Issue
- When booting Red Hat Enterprise Linux 7 Update 3 on a Purley 4 Socket system the warnings similar to the following are witnessed in the boot messages
[ 0.000000] ACPI: X2APIC (apic_id[0xffffffff] uid[0x00...Subscriber exclusive content
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