07-07-2005
DELL LCD monitor falls asleep
after sometime and will not wake up until we reboot the system. It is a DELL 24" LCD connected to a sunblade 1500.
my power.conf file is set like this:
# more /etc/power.conf
# Copyright (c) 1996 - 2001 by Sun Microsystems, Inc.
# All rights reserved.
#
#pragma ident "@(#)power.conf 1.16 01/03/19 SMI"
#
# Power Management Configuration File
#
# This entry keeps removable media from being powered down unless the
# console framebuffer and monitor are powered down
# (See removable-media(9P))
device-dependency-property removable-media /dev/fb
autopm default
# Auto-Shutdown Idle(min) Start/Finish(hh:mm) Behavior
autoshutdown 30 9:00 9:00 default
statefile //.CPR
THANKS,
jv
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LEARN ABOUT OPENSOLARIS
removable-media
removable-media(9P) Kernel Properties for Drivers removable-media(9P)
NAME
removable-media - removable media device property
DESCRIPTION
A device that supports removable media--such as CDROM, JAZZ, and ZIP drives--and that supports power management and expects automatic
mounting of the device via the volume manager should export the boolean (zero length) property removable-media. This property enables the
system to make the power state of the device dependent on the power state of the frame buffer and monitor. See the power.conf(4) discussion
of the device-dependency-property entry for more information.
Devices that behave like removable devices (such as PC ATA cards, where the controller and media both are removed at the same time) should
also export this property.
EXAMPLES
Example 1 removable-media Entry
An example of a removable-media entry from the .conf file of a driver is shown below.
# This entry keeps removable media from being powered down unless
# the console framebuffer and monitor are powered down
#
removable-media=1;
Example 2 Implementation in attach()
Below is an example of how the entry above would be implemented in the attach(9E) function of the driver.
xxattach(dev_info_t *dip, ddi_attach_cmd_t cmd)
{
...
if (ddi_prop_create(DDI_DEV_T_NONE, dip, DDI_PROP_CANSLEEP,
"removable-media", NULL, 0)) != DDI_PROP_SUCCESS)
goto failed;
...
}
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface stability |Committed |
+-----------------------------+-----------------------------+
SEE ALSO
power.conf(4), pm(7D), attach(9E), detach(9E), ddi_prop_create(9F)
Writing Device Drivers
SunOS 5.11 15 Jun 2001 removable-media(9P)