** Tags added: oem-priority
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Title:
Lockscreen doesn't turn off the screen
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This is still occurring on 20.04 with:
AMD® Radeon rx 5600 xt
Dell U3219Q
Connected by DisplayPort
#50 describes reproduction steps
#63 describes workaround
Despite workaround, the bug *still exists* in 20.04 with single monitor
and there do not seem to be any open bugs tracking this issue.
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Same problem on 16.04.5 with HP Elite Display E240.
Thanks to @Jaghou for workarond: set 'Auto-Switch Input' to off on display
settings resolved the issue.
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I found a workaround in my case:
https://askubuntu.com/questions/1167445/monitors-do-not-enter-powersave-sleep-mode-after-screen-blanking/
Changing the input setting from *auto* to *hdmi* on my AOC monitor fixed
the problem.
It seems monitors can *poll* the graphic card (CEC?): that way the
Ubuntu 19.04
- xset dpms force off
will turn monitors off, but somehow they wakeup in 10 seconds again.
So not sure if this is a bug in screensaver, but it is a nasty and
COSTLY bug.
It will burn 100 watts (3 monitors) and lower lifetime of my monitors.
What's the use of a screensaver or
Same problem as everyone else: Locking the screen with Win+L turns off
the monitors (I get "Signal lost" warnings on them) but after a minute
or so, something turns them back on.
xset q reports:
DPMS (Energy Star):
Standby: 0Suspend: 0Off: 0
DPMS is Enabled
Monitor is On
Note: The
Possible duplicates: Bug #1612010 and Bug #1594989
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Title:
Lockscreen doesn't turn off the screen
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I have also been hit by this bug. Extremely irritating.
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Title:
Lockscreen doesn't turn off the screen
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Please open this bug back up. It is not fixed!
All monitors go off initially, but as soon as the lock-screen happens,
my laptop's built-in monitor comes back on and stays on forever. This is
an expensive 4K monitor and this bug is burning it up.
The only work-around I've found is to turn off
Maybe lock screen should always happen before the screen turns off?
Or, anytime lock screen happens it should also turn off the monitors?
Is there any work around that I can apply?
My cron job trick no longer works:
** Tags added: xenial
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Title:
Lockscreen doesn't turn off the screen
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sudo crontab -e
0,10,20,30,40,50 * * * * /usr/bin/xset dpms force off
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Title:
Lockscreen doesn't turn off the
This bug needs to be reopened.
I'm using a freshly installed and updated Ubuntu 16.04.4, with a laptop
and an external monitor.
When the Brightness & Lock timeout occurs, my monitors do go off at
first, but my laptop's built-in monitor wakes backup up permanently to
the ubuntu login screen.
I'm
also affected by this. being on 16.04.3
If I manually lock my session then the screen(s) turn off and stay off
(though one is keeping the mouse pointer visible but appart from that
the screen is black at least).
but when system goes idle and automatically lock the session then the
screen(s) turn
Still getting this on 17.04 too. Running XFCE now, but was previously
running Unity. Two monitors, one on VGA, one on DVI, both stay on when
display is locked.
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The bug is still present for me in 16.04 as well.
Dual monitor - ctrl-alt-l or turn screen off when inactive do not turn
off the screen.
The workaround suggested from fugounashi works i.e., xset dpms force off but
it is not permanent.
The problem will come back after a while.
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here is a work around: https://askubuntu.com/questions/248972/how-can-i
-disable-backlight-when-i-lock-the-screen
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This bus is still present in 16.04.
Single monitor
System Settings, Brightness and Lock, Turn screen off when inactive for: 10
minutes.
dpms activates after 10 minutes of inactivity
activate Lock from menu or Ctrl+Alt+L
dpms never activates
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Please see Bug #1292695 (which is NOT a duplicate of this NOW CLOSED
bug).
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Title:
Lockscreen doesn't turn off the
Please see Bug # 1612010
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Title:
Lockscreen doesn't turn off the screen
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To all the users with multi monitor systems still having problems please
open a new bug report about this issue.
This bug is fixed and it will not get any attention from developers.
Bug reports have a very narrow scope. So one bug can't cover all the
configurations and multi monitor systems
Same issue here on 16.04.1 as #45 and earlier. On my desktop with
external AOC monitor attached to HDMI of my Nvidia 610 card, monitor
would not turn off but go to lock screen and stay there. This happens
after initial suspend of monitor but when I come out of full system
suspend, monitor goes to
It's fixed for my setup, as described below. Thanks
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I have 16.04 LTS on a Dell XPS13 (L321X) and an external LG display connected.
I set it up to: -dim the screen -turn screen off when inactive for 10
minutes -lock ON -lock screen as soon as screen turns off -require
password when waking
Still observed in Ubuntu 16.04
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Title:
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I still observe this on 15.10
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Title:
Lockscreen doesn't turn off the screen
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** Description changed:
+ [ATTENTION] This bug report is strictly for lockscreen. When user
+ activates lockscreen with Ctrl+Alt+L shortcut or from indicator-session
+ the screen should blank off after a couple seconds.
+
The new Unity lock screen doesn't turn off the monitor screen.
I
As I mentioned earlier this bug was for situation when you locked the
screen with Super+L or Ctrl+Alt+L or from indicator-session monitor
never blanked off.
It is now fixed and when you lock the screen with any of the above
mentioned methods monitor blanks off after 2 seconds.
Any problems with
Same issue as #40. Laptop display is blank, but second monitor, via
displayport, shows the login screen.
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Title:
Ditto!
Same issue here. Newly installed, updated and upgraded Ubuntu 14.04 LTS.
Monitor ASUS 27 through HDMI.
After the established timeout, screen does blank out, and monitor detects the
poweroff and starts powering off. But then the lock screen comes up with
request to log in password, and
I am running Ubuntu 14.04 LTS (64-bit), fully updated. Unity version is:
7.2.3+14.04.20140826-0ubuntu1
I just changed monitors, and also from DVI to DisplayPort (due to higher
resolution).
The screen does not 'turn off', after screen locked (or timeout). Screen
is black (with white mouse
I'm on 14.10 Utopic AMD64, with latest updates, and i have this same
problem. Monitor never turns off although it should after 5 minutes.
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I'm running both Unity and Cinnamon in 14.04 with lightdm. That way
unity-greeter takes over on logout from both.
To get display power off to work on my desktop I added (username) and root to
lightwm in the /etc/group file.
lightdm:x:111:(username),root
Then I added the executable script
+1 with similar problem as described in #30.
In my case (dual monitor setup - one on DVI, one on VGA) after 10 min
(as configured) both screens go off, but then one of the screen (on the
VGA cable) goes gradually from off (ie. dark) to fully on (ie. white)
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I still have the same problem described at #30.
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Lockscreen doesn't turn off the screen
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Behavior for me is still identical to what I posted in #10 above.
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Title:
Lockscreen doesn't turn off the screen
Doug what you describe in comment #10 is a different bug. This bug was
for situation when you locked the screen with Super+L or Ctrl+Alt+L and
while you had the lockscreen the monitor never blanked off.
BTW I tested the situation described by you in comment #10 and didn't
have any problems.
I
** Changed in: unity
Status: Fix Committed = Fix Released
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Title:
Lockscreen doesn't turn off the screen
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This appears to be closed, but I'm all up to date, and having this
problem still. What's the story?
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Title:
Same problem to me.
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Title:
Lockscreen doesn't turn off the screen
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For me, the screen blanks, then the monitor goes into low-power mode
when it's supposed to. But then, at some point later (I haven't
pinpointed exactly when), the monitor comes out of powersave mode, and
stays on. The screen stays blanked, but the monitor is on full-power
mode.
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** Changed in: oem-priority
Status: New = Fix Released
** Changed in: oem-priority/trusty
Status: New = Fix Released
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** Changed in: unity (Ubuntu)
Status: In Progress = Fix Released
** Changed in: unity
Status: In Progress = Fix Committed
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** Changed in: unity (Ubuntu)
Assignee: (unassigned) = Marco Trevisan (Treviño) (3v1n0)
** Changed in: gnome-screensaver (Ubuntu)
Assignee: Marco Trevisan (Treviño) (3v1n0) = (unassigned)
** Changed in: unity (Ubuntu)
Importance: Undecided = Medium
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** Changed in: unity
Importance: Undecided = High
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Lockscreen doesn't turn off the screen
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** Changed in: unity (Ubuntu)
Status: New = In Progress
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Title:
Lockscreen doesn't turn off the screen
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** Changed in: gnome-screensaver (Ubuntu)
Status: Confirmed = Invalid
** Also affects: unity
Importance: Undecided
Status: New
** Changed in: unity
Milestone: None = 7.2.1
** Branch linked: lp:~unity-team/unity/gs-dbus-interface
** Changed in: unity
Status: New = In
Maybe upon lock, you can take note of the user's settings and the issue this
command after a time out occurs:
xset dpms forceoff
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I just updated my testing box and the behavior now is that the screen
locks with inactivity for the specified time limit, but no screen blank.
This is a regression to the original state reported in this bug.
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Yeah killing gnome-screensaver would be the best solution. ActiveChanged
is not emitted during locking.
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** Project changed: unity-greeter = unity-greeter (Ubuntu)
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Title:
Lockscreen doesn't turn off the screen
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: unity-greeter (Ubuntu)
Status: New = Confirmed
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** No longer affects: unity-greeter (Ubuntu)
** No longer affects: unity (Ubuntu)
** No longer affects: unity
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I think I have a handle on what is occurring here.
1. The idle timeout occurs (in X?) and is detected by GNOME Session. This
causes the status on org.gnome.SessionManager
/org/gnome/SessionManager/Presence to change from 0 (active) to 3 (idle).
2. This is detected in GNOME Screensaver and
You can confirm the ActiveChanged signal is not being emitted by GNOME
Screensaver by doing the following:
$ gsettings set org.gnome.desktop.session idle-delay 1
$ gdbus monitor --session --dest org.gnome.ScreenSaver
If you wait for one second and then the fade to complete you will see
the
I wasn't able to work out how to fix it today but the bug seems to be in
gnome-screensaver debian/patches/33_unity_lockscreen_on_lock.patch in
the gs_listener_set_active () functions that were added. This must be
set to TRUE when the Unity screen lock is active to make gnome-settings-
daemon do
Is there a workaround?
Better question: is there any hope of GNOME developers *not* breaking
critical functionality from release to release? After 12 years with
Ubuntu, I can come up with a huge list of extremely frustrating and
sometimes downright dangerous regressions, almost all of them in
** Also affects: unity-greeter
Importance: Undecided
Status: New
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Title:
Lockscreen doesn't turn off the
** Tags added: rls-t-incoming
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Lockscreen doesn't turn off the screen
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** Also affects: oem-priority
Importance: Undecided
Status: New
** Also affects: oem-priority/trusty
Importance: Undecided
Status: New
** Changed in: oem-priority/trusty
Importance: Undecided = Critical
** Changed in: oem-priority/trusty
Importance: Critical = High
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I agree with Jim - this is a critical component IMHO. I will not upgrade
to this version unless the issue is fixed. This is especially true in an
LTS release.
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@Marco, thanks, I went back to gnome-screensaver 3.6.1-0ubuntu9 and this
restores the proper monitor dpms behaviour. The new screen locker does
look nicer, though, so I'm looking forward to when it handles dpms
properly.
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To claim this bug is of a non-essential piece of hardware is ridiculous.
The monitor, both on desktops and laptops, and it's associated power
management is nothing less than critical. This should be changed back
to critical. A regression this glaring and visible is very
inappropriate to leave
It affects a non-essential hardware component (removable network card,
camera, web-cam, music player, sound card, power management feature,
printer...).
** Changed in: gnome-screensaver (Ubuntu)
Importance: Undecided = Medium
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It affects the monitor. Is the monitor really non-essential?
And is there a way to use the old screen locker until this is fixed?
It's a pretty big regression.
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And is there a way to use the old screen locker until this is fixed?
It's a pretty big regression.
No, unless you don't go back to previous gnome-screensaver version.
BTW if you've set to lock the screen by default when screensaver
starts, just running:
gdbus call --session --dest
Is there a way to disable the unity-greeter screen locker and revert
back to the old gnome-screensaver screen locker? Much as I like the look
of the unity-greeter screen lock, I prefer the power saving obtained by
turning the screen off while it's locked.
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Reading the changes from https://launchpad.net/ubuntu/+source/gnome-
screensaver/3.6.1-0ubuntu10 and https://bugs.launchpad.net/ayatana-
design/+bug/878836, it looks like the unity-greeter is now being used to
implement the lock screen (not gnome-screensaver), so unity-greeter is
blocking the
Which package implements the new lock screen? The regression is in this
package.
The old screensaver (gnome-screensaver?) used to power the monitor off
as soon you manually activate the lock screen (eg when you press the key
combination to lock the screen).
The new 14.04 screen locker (which
@Rocko Marco Trevisan is a Unity developer so he knows what he's doing.
This apparently means that the bug is in gnome-screensaver.
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I wonder if this is related to bug 1291365
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Lockscreen doesn't turn off the screen
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I think this bug apparead after this change:
https://launchpad.net/ubuntu/+source/gnome-screensaver/3.6.1-0ubuntu10
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@Nick your bug is different. I don't get a second lock off the screen
after unlocking.
In this case the screen doesn't blank off at locked screen and when I
unlock it after the normal timeout it goes to blank off mode.
The turning off the screen happens even if I used my mouse or keyboard.
I use a different screen blank time and lock time. The screen does go
blank at the correct time, but then it come on again at the additional
lock time, and stays on thereafter. For me this started a couple of
days ago (~2014.03.12).
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** Changed in: unity
Status: Triaged = Invalid
** Also affects: gnome-screensaver (Ubuntu)
Importance: Undecided
Status: New
** Changed in: gnome-screensaver (Ubuntu)
Status: New = Confirmed
** Changed in: gnome-screensaver (Ubuntu)
Assignee: (unassigned) = Marco
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