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authorIngo Molnar <mingo@elte.hu>2008-12-24 21:08:26 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-24 21:08:26 +0100
commitdb8862eafe8a5d030a3b02e81b8bb47447c315e3 (patch)
tree073ea7b46809bf804134cbf008a593413c02a99c /Documentation/kernel-parameters.txt
parentc5dee6177f4bd2095aab7d9be9f6ebdddd6deee9 (diff)
parentc20137fc5329eaf24093fc48c52608dc66be8e5c (diff)
Merge branch 'linus' into tracing/hw-branch-tracing
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt11
1 files changed, 7 insertions, 4 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index edab81c1318..f44552e0791 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -221,14 +221,17 @@ and is between 256 and 4096 characters. It is defined in the file
Bits in debug_level correspond to a level in
ACPI_DEBUG_PRINT statements, e.g.,
ACPI_DEBUG_PRINT((ACPI_DB_INFO, ...
- See Documentation/acpi/debug.txt for more information
- about debug layers and levels.
+ The debug_level mask defaults to "info". See
+ Documentation/acpi/debug.txt for more information about
+ debug layers and levels.
+ Enable processor driver info messages:
+ acpi.debug_layer=0x20000000
+ Enable PCI/PCI interrupt routing info messages:
+ acpi.debug_layer=0x400000
Enable AML "Debug" output, i.e., stores to the Debug
object while interpreting AML:
acpi.debug_layer=0xffffffff acpi.debug_level=0x2
- Enable PCI/PCI interrupt routing info messages:
- acpi.debug_layer=0x400000 acpi.debug_level=0x4
Enable all messages related to ACPI hardware:
acpi.debug_layer=0x2 acpi.debug_level=0xffffffff