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| author | imp <imp@FreeBSD.org> | 2003-05-18 04:21:38 +0000 |
|---|---|---|
| committer | imp <imp@FreeBSD.org> | 2003-05-18 04:21:38 +0000 |
| commit | 97dd05ab1ed082b573821eed97ae5d4701068ccb (patch) | |
| tree | bec40d38cbd5e446ea93b7f9d91c4f2233b64969 /share/man/man4/acpi.4 | |
| parent | e90c007e3f90ca6efa2bffb2fe6808f6fe8abe4a (diff) | |
| download | FreeBSD-src-97dd05ab1ed082b573821eed97ae5d4701068ccb.zip FreeBSD-src-97dd05ab1ed082b573821eed97ae5d4701068ccb.tar.gz | |
Tell how to completely disable ACPI. Add warnings about how bad
kharma it will be to disable some or all of acpi on ia64 or amd64 (are
there other non-i386 platforms that FreeBSD supports with ACPI?).
Submitted by: Ryan Losh
Approved by: re@ (rwatson)
Diffstat (limited to 'share/man/man4/acpi.4')
| -rw-r--r-- | share/man/man4/acpi.4 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/share/man/man4/acpi.4 b/share/man/man4/acpi.4 index f398bf0..d8adf88 100644 --- a/share/man/man4/acpi.4 +++ b/share/man/man4/acpi.4 @@ -199,6 +199,18 @@ Output from the code follows the same format, but the module name is uppercased. .Pp +To disable the +.Nm +driver completely, set the kernel environment variable +.Va hint.acpi.0.disabled +to +.Dq 1 . +Some i386 machines totally fail to operate with some or all of ACPI disabled. +Other i386 machines fail with ACPI enabled. +Non-i386 platforms do not support operating systems which do not use ACPI. +Disabling all or part of ACPI on non-i386 platforms may result in a +non-functional system. +.Pp The .Nm driver comprises a set of drivers, which may be selectively disabled |
