diff options
| author | Len Brown <len.brown@intel.com> | 2007-04-28 23:12:03 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-04-28 23:12:03 -0400 |
| commit | fb16596997ded3e70d308bec58e32c1e2c5cf9b0 (patch) | |
| tree | 28939b49c26e51d2c22047ef2e07f4b1d6352bbb /Documentation | |
| parent | f188291aec9b17ef7cec01db66b9cdb6fae26372 (diff) | |
| parent | afd3810d9b6b0d446a34e1d4e94f0cc020b00a14 (diff) | |
Pull misc-for-upstream into release branch
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 12533a958c5..e3394eb42cb 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -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 |