d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Document ACPI tunable hw.acpi.serialize_methods.

Browse Source 
Also reorder tunables.

Approved by:	njl
MFC after:	1 week
This commit is contained in:
marks 2004-12-04 23:26:46 +00:00
parent dbfbcad51b
commit 4b4b34e8d5
1 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
share/man/man4/acpi.4
View File

@ -357,10 +357,6 @@ BIOS, you can set this to 0 to re-enable ACPI for testing.
Delay in milliseconds to wait for the EC to respond.
Try increasing this number if you get the error
.Er AE_NO_HARDWARE_RESPONSE .
.It Va hw.acpi.reset_video
Enables calling the VESA reset BIOS vector on the resume path.
Some graphic chips have problems such as LCD white-out after resume.
Try setting this to 0 if this causes problems for you.
.It Va hw.acpi.osname
Some systems' ASL may have problems because they look for names
of Microsoft operating systems.
@ -370,6 +366,16 @@ object from its default of
.Qq Li FreeBSD .
.It Va hw.acpi.pci.link.%d.%d.%d.irq
Override the interrupt to use.
.It Va hw.acpi.reset_video
Enables calling the VESA reset BIOS vector on the resume path.
Some graphic chips have problems such as LCD white-out after resume.
Try setting this to 0 if this causes problems for you.
.It Va hw.acpi.serialize_methods
Allow override of whether methods execute in parallel or not.
Enable this for serial behavior, which fixes "AE_ALREADY_EXISTS" errors for
AML that really can't handle parallel method execution.
It is off by default since this breaks recursive methods and some IBMs use
such code.
.It Va hw.acpi.verbose
Turn on verbose debugging information about what ACPI is doing.
.El