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hwpstate_amd(4): CPPC: Allow attaching even if CAPABILITY_1 cannot be read
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Authored by olce on Feb 11 2026, 8:51 PM.
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Details

Summary

If that MSR cannot be read, we fallback to defaults specified by the
ACPI specification, as we are already doing when the minimum and maximum
values in there look bogus.

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rG FreeBSD src repository
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Buildable 70626
Build 67509: arc lint + arc unit