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| author | Lin Ming <ming.m.lin@intel.com> | 2010-04-08 14:34:27 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2010-04-20 10:43:16 -0400 |
| commit | aa2110cb1a7510f9b834adfb39b05d4843a35d35 (patch) | |
| tree | 0dda563bb8a8251fb6f6b878f16598a3901f992f /Documentation/kernel-parameters.txt | |
| parent | 43323cb4c4b619414913f54fef9d492aabadd033 (diff) | |
| download | lwn-aa2110cb1a7510f9b834adfb39b05d4843a35d35.tar.gz lwn-aa2110cb1a7510f9b834adfb39b05d4843a35d35.zip | |
ACPI: add boot option acpi=copy_dsdt to fix corrupt DSDT
Some BIOS on Toshiba machines corrupt the DSDT, so add a new
boot option acpi=copy_dsdt to workaround it.
Add warning message to ask users to use this option if corrupt DSDT detected.
Also build a DMI blacklist to check it and automatically copy DSDT.
https://bugzilla.kernel.org/show_bug.cgi?id=14679
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e2202e93b148..93f113a1b326 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -151,6 +151,7 @@ and is between 256 and 4096 characters. It is defined in the file strict -- Be less tolerant of platforms that are not strictly ACPI specification compliant. rsdt -- prefer RSDT over (default) XSDT + copy_dsdt -- copy DSDT to memory See also Documentation/power/pm.txt, pci=noacpi |