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ACPI: Add expand acpi.debug_layer in kernel-parameters.txt

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Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Thomas Renninger 2008-08-11 15:03:20 +02:00 committed by Len Brown
parent 3fa8749e58
commit 36eec5e29c
1 changed files with 33 additions and 14 deletions
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47
Documentation/kernel-parameters.txt
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@ -217,20 +217,39 @@ and is between 256 and 4096 characters. It is defined in the file
acpi.debug_level= [HW,ACPI]
Format: <int>
Each bit of the <int> indicates an ACPI debug level,
1: enable, 0: disable. It is useful for boot time
debugging. After system has booted up, it can be set
via /sys/module/acpi/parameters/debug_level.
CONFIG_ACPI_DEBUG must be enabled for this to produce any output.
Available bits (add the numbers together) to enable different
debug output levels of the ACPI subsystem:
0x01 error 0x02 warn 0x04 init 0x08 debug object
0x10 info 0x20 init names 0x40 parse 0x80 load
0x100 dispatch 0x200 execute 0x400 names 0x800 operation region
0x1000 bfield 0x2000 tables 0x4000 values 0x8000 objects
0x10000 resources 0x20000 user requests 0x40000 package.
The number can be in decimal or prefixed with 0x in hex.
Warning: Many of these options can produce a lot of
output and make your system unusable. Be very careful.
which corresponds to the level in an ACPI_DEBUG_PRINT
statement. After system has booted up, this mask
can be set via /sys/module/acpi/parameters/debug_level.
CONFIG_ACPI_DEBUG must be enabled for this to produce
any output. The number can be in decimal or prefixed
with 0x in hex. Some of these options produce so much
output that the system is unusable.
The following global components are defined by the
ACPI CA:
0x01 error
0x02 warn
0x04 init
0x08 debug object
0x10 info
0x20 init names
0x40 parse
0x80 load
0x100 dispatch
0x200 execute
0x400 names
0x800 operation region
0x1000 bfield
0x2000 tables
0x4000 values
0x8000 objects
0x10000 resources
0x20000 user requests
0x40000 package
The number can be in decimal or prefixed with 0x in hex.
Warning: Many of these options can produce a lot of
output and make your system unusable. Be very careful.
acpi_pm_good [X86-32,X86-64]
Override the pmtimer bug detection: force the kernel