1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
#!/bin/bash
###########################################################################
# #
# Powersave Daemon #
# #
# Copyright (C) 2004,2005 SUSE Linux Products GmbH #
# #
# This program is free software; you can redistribute it and/or modify it #
# under the terms of the GNU General Public License as published by the #
# Free Software Foundation; either version 2 of the License, or (at you #
# option) any later version. #
# #
# This program is distributed in the hope that it will be useful, but #
# WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU #
# General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License along #
# with this program; if not, write to the Free Software Foundation, Inc., #
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #
# #
###########################################################################
# invoke acpi suspend and APM suspend to disk
# the name of this script is a leftover from non-APM days...
#
# return codes:
# 0 - successfully suspended
# 1 - error suspending
# 126 - unknown parameter
# ./myecho is a small'n'dirty echo replacement, that gives us the return
# code of open/write/close. Regular "echo" just gives 0 or 1.
MYECHO=${0%/*}/myecho
NOTIFY=${0%/*}/powersave-notify
S2RAM_NOT_SUPPORTED="Suspend to ram is not supported on your machine.
If you know that it should work, you might override this detection with
setting SUSPEND2RAM_FORCE=\"yes\" in /etc/powersave/sleep.
See http://en.opensuse.org/S2ram for more information.
Thanks!"
S2RAM_FB_ONLY="Suspend to RAM on this machine only works if no framebuffer is used.
Change your bootloader configuration to use text mode (vga=0) and reboot."
if [ -z "$1" ];then
echo "This script is invoked by the powersave daemon, do not invoke from console"
exit 126
fi
. $SYSCONF_DIR/sleep
HWCLOCK="/sbin/hwclock"
OPT="--hctosys"
# where is the s2ram binary installed?
S2RAM="/usr/sbin/s2ram"
S2RAM_LOG=/var/log/suspend2ram.log
# blank the "suspend console"
deallocvt 63
# save the old loglevel
read LOGLEVEL DUMMY < /proc/sys/kernel/printk
# set the loglevel so we see the progress bar.
# if the level is higher than needed, we leave it alone.
if [ $LOGLEVEL -lt 5 ]; then
echo 5 > /proc/sys/kernel/printk
fi
case "$1" in
suspend2disk)
IMG_SZ=0
read IMG_SZ < /sys/power/image_size
$MYECHO /sys/power/state disk
RET=$? # 28=ENOSPC, "not enough swap."
#
# the logic here is:
# if image_size > 0 (without kernel support, IMG_SZ will be zero),
# and we got ENOSPC, then try again with image_size set to zero.
if [ $RET -eq 28 -a $IMG_SZ -ne 0 ]; then # try again with minimal image size
echo 0 > /sys/power/image_size
$MYECHO /sys/power/state disk
RET=$?
echo $IMG_SZ > /sys/power/image_size
fi
[ "$SUSPEND2DISK_RESTORE_CLOCK" == "yes" ] && $HWCLOCK $OPT
;;
suspend2ram)
# if DISABLE_USER_SUSPEND2RAM == yes, we never get called.
S2RAM_OPTS="";
if [ "$SUSPEND2RAM_FORCE" == "yes" ]; then
echo "SUSPEND2RAM_FORCE is set to yes. Good luck..." >> $S2RAM_LOG
S2RAM_OPTS="--force"
[ "$SUSPEND2RAM_VBE_POST" == "yes" ] && S2RAM_OPTS="$S2RAM_OPTS --vbe_post"
[ "$SUSPEND2RAM_VBE_SAVE" == "yes" ] && S2RAM_OPTS="$S2RAM_OPTS --vbe_save"
if [ -n "$SUSPEND2RAM_ACPI_SLEEP" ]; then
declare -i X
X="$SUSPEND2RAM_ACPI_SLEEP"
S2RAM_OPTS="$S2RAM_OPTS --acpi_sleep $X"
fi
echo " S2RAM_OPTS are set to: '$S2RAM_OPTS'" >> $S2RAM_LOG
fi;
if [ -x $S2RAM ]; then
echo "Executing '$S2RAM $S2RAM_OPTS'" >> $S2RAM_LOG
$S2RAM $S2RAM_OPTS >> $S2RAM_LOG 2>&1
RET=$?
case $RET in
127) $NOTIFY $S2RAM_NOT_SUPPORTED & ;;
126) $NOTIFY $S2RAM_FB_ONLY & ;;
esac
else
echo "$S2RAM not found, falling back to echo." >> $S2RAM_LOG
$MYECHO /sys/power/state mem
RET=$?
fi
echo "==== finished, return code $RET ====" >> $S2RAM_LOG
[ "$SUSPEND2RAM_RESTORE_CLOCK" == "yes" ] && $HWCLOCK $OPT
;;
standby)
$MYECHO /sys/power/state standby
RET=$?
[ "$STANDBY_RESTORE_CLOCK" == "yes" ] && $HWCLOCK $OPT
;;
*) echo "Wrong parameter in $0"
RET=126
;;
esac
# restore previous loglevel
echo $LOGLEVEL > /proc/sys/kernel/printk
exit $RET
|
