Kernel 3.13.0-06058-g2d08cd0 displays following errors on the console: ACPI: \_PR_.CPU4: failed to get CPU APIC ID. ACPI: \_PR_.CPU5: failed to get CPU APIC ID. ACPI: \_PR_.CPU6: failed to get CPU APIC ID. ACPI: \_PR_.CPU7: failed to get CPU APIC ID. I don't have CPUs 4..7! Error messages regarding not existing CPUs should not be displayed. kernel 3.13.0-05617-g3aacd62 and before did'nt show this messages. This is a regression. I never saw this messages before. Processor model: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz $ cat /proc/cpuinfo | grep processor processor : 0 processor : 1 processor : 2 processor : 3 Jörg -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html