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authorWim Van Sebroeck <wim@iguana.be>2007-05-01 08:53:01 +0200
committerWim Van Sebroeck <wim@iguana.be>2007-05-01 08:53:01 +0200
commit48a7afe314bfc4d7f50e1608632f503dbba7e013 (patch)
tree4a80e6b96321a71affd1bacea817de93be08894b /Documentation/kernel-parameters.txt
parent[WATCHDOG] Semi-typical watchdog bug re early misc_register() (diff)
parentlibata: honour host controllers that want just one host (diff)
downloadlinux-48a7afe314bfc4d7f50e1608632f503dbba7e013.tar.xz
linux-48a7afe314bfc4d7f50e1608632f503dbba7e013.zip
Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt36
1 files changed, 29 insertions, 7 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index ef2ffded1392..84c3bd05c639 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -142,7 +142,7 @@ and is between 256 and 4096 characters. It is defined in the file
Format: <int>
2: use 2nd APIC table, if available
1,0: use 1st APIC table
- default: 2
+ default: 0
acpi_sleep= [HW,ACPI] Sleep options
Format: { s3_bios, s3_mode }
@@ -181,19 +181,41 @@ and is between 256 and 4096 characters. It is defined in the file
that require a timer override, but don't have
HPET
- acpi_dbg_layer= [HW,ACPI]
+ acpi.debug_layer= [HW,ACPI]
Format: <int>
Each bit of the <int> indicates an ACPI debug layer,
1: enable, 0: disable. It is useful for boot time
debugging. After system has booted up, it can be set
- via /proc/acpi/debug_layer.
-
- acpi_dbg_level= [HW,ACPI]
+ via /sys/module/acpi/parameters/debug_layer.
+ CONFIG_ACPI_DEBUG must be enabled for this to produce any output.
+ Available bits (add the numbers together) to enable debug output
+ for specific parts of the ACPI subsystem:
+ 0x01 utilities 0x02 hardware 0x04 events 0x08 tables
+ 0x10 namespace 0x20 parser 0x40 dispatcher
+ 0x80 executer 0x100 resources 0x200 acpica debugger
+ 0x400 os services 0x800 acpica disassembler.
+ 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.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 /proc/acpi/debug_level.
+ 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.
+
acpi_fake_ecdt [HW,ACPI] Workaround failure due to BIOS lacking ECDT
@@ -1792,7 +1814,7 @@ and is between 256 and 4096 characters. It is defined in the file
for newly-detected USB devices (default 2). This
is the time required before an idle device will be
autosuspended. Devices for which the delay is set
- to 0 won't be autosuspended at all.
+ to a negative value won't be autosuspended at all.
usbhid.mousepoll=
[USBHID] The interval which mice are to be polled at.