On 12/01/2014 09:31 PM, Mukundan Ragavan wrote:
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On 12/01/2014 04:26 PM, Robert Moskowitz wrote:
On 12/01/2014 04:01 PM, Robert Moskowitz wrote:
I have gone through the power management and have specified that
after 9 minutes (on AC) to blank the screen and after 10 min (one
more minute) to turn off the screen. Well it has been over 30
minutes and the screen backlight is still on.
This is a Lenovo x120e.
Even on battery, there is still some backlight. Less, for sure,
but when I turn the room light off, I can still see it.
On my other Lenovo x120e with F20 and Gnome, the screen really
turns off.
Unfortunately, I do not see this on my laptop. Has this started
happening recently?
I have submitted a new update to xfce4-power-manager
https://admin.fedoraproject.org/updates/xfce4-power-manager-1.4.2-1.fc21
Would you be able to give it a try and see if that works?
Just tested screen blanking using the Final RC2 Live workstation that
boots Gnome. It is set (on battery) to blank the screen at 5 minutes.
It did just that. The screen is off. Turn off the light in my office
and the screen is dark, unlike the Xfce install which still has the
backlight on.
I will be installing the RC2 Xfce via the netinst CD tonight or tomorrow...
I noticed in the booting a message from the kernel:
Dec 02 17:04:12 localhost kernel: thinkpad_acpi: Unsupported brightness
interface, please contact ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx
Dec 02 17:04:12 localhost kernel: thinkpad_acpi: This ThinkPad has
standard ACPI backlight brightness control, supported by the ACPI video
driver
Dec 02 17:04:12 localhost kernel: thinkpad_acpi: Disabling thinkpad-acpi
brightness events by default...
Dec 02 17:08:21 localhost gnome-session[1593]: Gjs-Message: JS LOG: The
property brightness doesn't seem to be a normal object property of
[0x303c920 StWidget] or a registered special property
Dec 02 17:13:00 localhost pkexec[2413]: liveuser: Executing command
[USER=root] [TTY=unknown] [CWD=/home/liveuser]
[COMMAND=/usr/libexec/gsd-backlight-helper --set-brightness 4]
Dec 02 17:19:04 localhost pkexec[2427]: liveuser: Executing command
[USER=root] [TTY=unknown] [CWD=/home/liveuser]
[COMMAND=/usr/libexec/gsd-backlight-helper --set-brightness 15]
Dec 02 17:19:12 localhost gnome-session[1593]: Gjs-Message: JS LOG: The
property brightness doesn't seem to be a normal object property of
[0x4929520 StWidget] or a registered special property
Gnome does seem to know how to turn off the screen. So I decided to go
back to the Xfce and check the journalctl from yesterday's testing:
Dec 01 23:02:24 lx120e.htt-consult.com kernel: [Firmware Bug]: ACPI: No
_BQC method, cannot determine initial brightness
Dec 01 23:02:25 lx120e.htt-consult.com kernel: thinkpad_acpi:
Unsupported brightness interface, please contact
ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx
Dec 01 23:02:25 lx120e.htt-consult.com kernel: thinkpad_acpi: This
ThinkPad has standard ACPI backlight brightness control, supported by
the ACPI video driver
Dec 01 23:02:25 lx120e.htt-consult.com kernel: thinkpad_acpi: Disabling
thinkpad-acpi brightness events by default...
Dec 01 23:03:00 lx120e.htt-consult.com kernel: [Firmware Bug]: ACPI: No
_BQC method, cannot determine initial brightness
Dec 01 23:03:01 lx120e.htt-consult.com kernel: thinkpad_acpi:
Unsupported brightness interface, please contact
ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx
Dec 01 23:03:01 lx120e.htt-consult.com kernel: thinkpad_acpi: This
ThinkPad has standard ACPI backlight brightness control, supported by
the ACPI video driver
Dec 01 23:03:01 lx120e.htt-consult.com kernel: thinkpad_acpi: Disabling
thinkpad-acpi brightness events by default...
Dec 01 23:03:53 lx120e.htt-consult.com kernel: [Firmware Bug]: ACPI: No
_BQC method, cannot determine initial brightness
Dec 01 23:03:54 lx120e.htt-consult.com kernel: thinkpad_acpi:
Unsupported brightness interface, please contact
ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx
Dec 01 23:03:54 lx120e.htt-consult.com kernel: thinkpad_acpi: This
ThinkPad has standard ACPI backlight brightness control, supported by
the ACPI video driver
Dec 01 23:03:54 lx120e.htt-consult.com kernel: thinkpad_acpi: Disabling
thinkpad-acpi brightness events by default...
Dec 01 23:04:09 lx120e.htt-consult.com pkexec[1277]: rgm: Executing
command [USER=root] [TTY=unknown] [CWD=/]
[COMMAND=/usr/sbin/xfpm-power-backlight-helper --set-brightness-switch 0]
Dec 01 23:23:50 lx120e.htt-consult.com pkexec[1553]: rgm: Executing
command [USER=root] [TTY=unknown] [CWD=/]
[COMMAND=/usr/sbin/xfpm-power-backlight-helper --set-brightness 15]
Perhaps this will help.
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