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authorDavid Brownell2007-11-30 22:42:41 +0100
committerKarel Zak2007-12-03 13:29:47 +0100
commit2148b05182c755d74fd17b087f3ff37904df0b8c (patch)
treec003aeb741dd17b01180e4be01c963a202c1c8fd /sys-utils/rtcwake.8
parentblockdev: add --getsz to blockdev.8 (diff)
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rtcwake: misc cleanups
Cleanups for rtcwake: - Minor doc updates: highlight the framebuffer problem, give correct history of this code - Improve debug output - Fix some linelength bugs Note that this code predated the sysfs "wakealarm" mechanism, and works around several now-fixed bugs in the kernel RTC framework. Nowadays it would make sense to make this program use only the sysfs interface to the RTC, using "since_epoch" instead of RTC_RD_TIME and "wakealarm" instead of the four other ioctls. That could simplify the mess involved in timezone handling. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils/rtcwake.8')
-rw-r--r--sys-utils/rtcwake.811
1 files changed, 8 insertions, 3 deletions
diff --git a/sys-utils/rtcwake.8 b/sys-utils/rtcwake.8
index dde284417..c06fb2117 100644
--- a/sys-utils/rtcwake.8
+++ b/sys-utils/rtcwake.8
@@ -76,15 +76,20 @@ is the time in seconds since 1970-01-01, 00:00 UTC. Use the
Use standby state \fImode\fP. Valid values are \fIstandby\fP,
\fImem\fP, \fIdisk\fP and \fIon\fP (no suspend). The default is
\fIstandby\fP.
+.SH NOTES
+Some PC systems can't currently exit sleep states such as \fImem\fP
+using only the kernel code accessed by this driver.
+They need help from userspace code to make the framebuffer work again.
.SH HISTORY
-The program first appeared as kernel commit message for Linux 2.6 in the GIT
+The program was posted several times on LKML and other lists
+before appearing in kernel commit message for Linux 2.6 in the GIT
commit 87ac84f42a7a580d0dd72ae31d6a5eb4bfe04c6d.
.SH AVAILABILITY
The rtcwake command is part of the util-linux-ng package and is available from
ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.
.SH AUTHOR
-The program was written by David Brownell <david-b@pacbell.net> and improved by
-Bernhard Walle <bwalle@suse.de>.
+The program was written by David Brownell <dbrownell@users.sourceforge.net>
+and improved by Bernhard Walle <bwalle@suse.de>.
.SH COPYRIGHT
This is free software. You may redistribute copies of it under the terms
of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.