In Documentation/kernel-parameters.txt, apparently 0xffffffff should be acpi.debug_layer not acpi.debug_level. In Documentation/acpi/debug.txt, component ACPI_NUMA is missing, add it. Signed-off-by: WANG Cong <amwang@xxxxxxxxxx> --- diff --git a/Documentation/acpi/debug.txt b/Documentation/acpi/debug.txt index 65bf47c..1af2a01 100644 --- a/Documentation/acpi/debug.txt +++ b/Documentation/acpi/debug.txt @@ -63,6 +63,7 @@ shows the supported mask values, currently these: ACPI_MEMORY_DEVICE_COMPONENT 0x08000000 ACPI_VIDEO_COMPONENT 0x10000000 ACPI_PROCESSOR_COMPONENT 0x20000000 + ACPI_NUMA 0x80000000 debug_level ----------- diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index b72e071..75f2334 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -193,7 +193,7 @@ and is between 256 and 4096 characters. It is defined in the file object while interpreting AML: acpi.debug_layer=0xffffffff acpi.debug_level=0x2 Enable all messages related to ACPI hardware: - acpi.debug_layer=0x2 acpi.debug_level=0xffffffff + acpi.debug_layer=0xffffffff acpi.debug_level=0x2 Some values produce so much output that the system is unusable. The "log_buf_len" parameter may be useful -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html