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Bug #8934

closed

ACPI 6.0 requires Processor Local X2APIC for all processors

Added by Marcel Telka almost 4 years ago. Updated almost 4 years ago.

Status:
Closed
Priority:
Low
Assignee:
Category:
kernel
Start date:
2017-12-22
Due date:
% Done:

100%

Estimated time:
Difficulty:
Bite-size
Tags:
needs-triage
Gerrit CR:

Description

ACPI Specification since version 6.0 (released in April 2015) requires Processor Local X2APIC structure for all processors (even those with ID < 255). We already support this, but we still report a warning:

Dec 21 22:17:07 test apix: [ID 248403 kern.warning] WARNING: apix: ignoring invalid entry in MADT: CPU 0 has X2APIC Id 0 (< 255)

This is just to remove such a warning from the acpi_probe() function to maintain ACPI 6.0+ compatibility without noise.


Related issues

Related to illumos gate - Bug #6807: only one CPU detected on HP Gen9ClosedHans Rosenfeld2016-03-25

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