ACPI Warning: Invalid length for Pm1aControlBlock: 32, using default 16 (20090903/tbfadt-607)

Solution Verified - Updated -

Issue

  • The following message is seen in kernel logs, or in dmesg output:
ACPI Warning: Invalid length for Pm1aControlBlock: 32, using default 16 (20090903/tbfadt-NNN)
ACPI Warning: Invalid length for Pm2ControlBlock: 32, using default 8 (20090903/tbfadt-NNN)

Environment

  • Red Hat Enterprise Linux 6

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