diff options
| author | Mike Larkin <mlarkin@cvs.openbsd.org> | 2015-08-04 07:24:32 +0000 |
|---|---|---|
| committer | Mike Larkin <mlarkin@cvs.openbsd.org> | 2015-08-04 07:24:32 +0000 |
| commit | 8f310ff0094f00482fe4e72e8d43f58e14dcea89 (patch) | |
| tree | 53ec272279d082b2d260577931866c1322944cc9 | |
| parent | 4f8e8863db81c99a911ce0a123a2c53decca937b (diff) | |
Clarify how ACPI unhibernate works, as well as expand a bit on visual
feedback that may be presented to the user during unhibernate/resume.
suggested by espie@
| -rw-r--r-- | usr.sbin/apm/apm.8 | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/usr.sbin/apm/apm.8 b/usr.sbin/apm/apm.8 index d2756633522..286f42f9c5c 100644 --- a/usr.sbin/apm/apm.8 +++ b/usr.sbin/apm/apm.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: apm.8,v 1.41 2015/01/28 05:10:44 tedu Exp $ +.\" $OpenBSD: apm.8,v 1.42 2015/08/04 07:24:31 mlarkin Exp $ .\" .\" Copyright (c) 1996 John T. Kohl .\" All rights reserved. @@ -26,7 +26,7 @@ .\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE .\" POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: January 28 2015 $ +.Dd $Mdocdate: August 4 2015 $ .Dt APM 8 .Os .Sh NAME @@ -94,7 +94,13 @@ Request more verbose description of the displayed states. .It Fl Z Put the system into hibernation. System memory is saved to disk (swap space) -and the machine is powered down. +and the machine is powered down. For machines supporting the +.Xr acpi 4 +style hibernate functionality, on resume a full kernel +boot will occur, followed by the reading of the saved +memory image. The image will then be unpacked and the system +resumed at the point immediately after the hibernation +request. .It Fl z Put the system into suspend (deep sleep) state. .El @@ -113,6 +119,19 @@ The command line flags serve the same purpose as for These commands do not wait for positive confirmation that the requested state has been entered; to do so would mean the command does not return until the system resumes from its sleep state. +.Pp +Each system provides methods for waking from suspend or hibernate. For +those machines supporting +.Xr acpi 4 +style suspend/resume (or hibernate/unhibernate) semantics, the wakeup +devices for each sleep state are printed during system boot in +.Xr dmesg 8 . +.Pp +The system will attempt to provide as much feedback as is possible on +the specific hardware being suspended/resumed. This includes setting +system LEDs or other indicators to illustrate progress throughout the +suspend/resume (or hibernate/unhibernate) process. Such feedback is +machine-dependent. .Sh FILES .Bl -tag -width /var/run/apmdev -compact .It Pa /var/run/apmdev |