Module Name: src
Committed By: jruoho
Date: Sun Aug 8 05:03:00 UTC 2010
Modified Files:
src/share/man/man4: acpi.4
Log Message:
Note the acpiverbose module.
To generate a diff of this commit:
cvs rdiff -u -r1.55 -r1.56 src/share/man/man4/acpi.4
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/share/man/man4/acpi.4
diff -u src/share/man/man4/acpi.4:1.55 src/share/man/man4/acpi.4:1.56
--- src/share/man/man4/acpi.4:1.55 Fri Aug 6 18:54:50 2010
+++ src/share/man/man4/acpi.4 Sun Aug 8 05:02:59 2010
@@ -1,4 +1,4 @@
-.\" $NetBSD: acpi.4,v 1.55 2010/08/06 18:54:50 jruoho Exp $
+.\" $NetBSD: acpi.4,v 1.56 2010/08/08 05:02:59 jruoho Exp $
.\"
.\" Copyright (c) 2002, 2004, 2010 The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -24,7 +24,7 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd August 6, 2010
+.Dd August 8, 2010
.Dt ACPI 4
.Os
.Sh NAME
@@ -102,9 +102,9 @@
.Tn ACPI .
.Bl -tag -width "123456" -offset indent
.It Ic hw.acpi.root
-The
+The address of the
.Tn ACPI
-root pointer.
+root pointer in system memory.
.It Ic hw.acpi.supported_states
A list of the
.Tn ACPI
@@ -152,7 +152,7 @@
.It Ic machdep.acpi_vbios_reset
Defines the handling of the graphics card.
The supported values are:
-.Bl -tag -width '2' -offset indent
+.Bl -tag -width '2' -offset 2n
.It 0
No attempt to reset the
.Tn VGA
@@ -176,11 +176,18 @@
.Tn BIOS
using the in-kernel x86 emulator.
.El
+.Pp
+If the system has problems in resuming from the
+.Tn S3
+state, experimenting with different values may provide a solution.
.El
.Sh SUPPORTED DEVICES
.Nx
.Tn ACPI
-supports several machine-dependent and machine-independent devices:
+supports several machine-dependent and machine-independent devices,
+some specific to
+.Tn ACPI
+and some configured via it.
.Ss Machine-independent devices
.Bl -tag -width "thinkpad(4) " -offset indent -compact
.It Xr acpiacad 4
@@ -283,6 +290,24 @@
these are generally only available if the kernel has been compiled with the
.Tn ACPI_DEBUG
option.
+.Ss Verbose messages
+The
+.Tn ACPIVERBOSE
+compile time option enables some verbose
+debug messages printed during the system startup.
+In a
+.Tn MODULAR
+(see
+.Xr options 4 )
+system, the information can be printed also at runtime,
+regardless of the presence of
+.Tn ACPIVERBOSE .
+To print the messages,
+.Xr modload 8
+the
+.Ic acpiverbose
+module using the option
+.Ar -b dump=true .
.Ss Custom DSDT
.Tn ACPI
interprets bytecode known as
