Discussion:
[Bug 830348] Re: desktop contents briefly visible on resume from suspend before lock dialog
Hans Deragon
2014-11-15 09:45:41 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

** This bug has been marked a duplicate of bug 1280300
Desktop contents displayed on resume, before lock screen is shown
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Title:
desktop contents briefly visible on resume from suspend before lock
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Pander
2015-11-17 22:02:34 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

** Tags added: 15.10
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desktop contents briefly visible on resume from suspend before lock
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Daniel Stoni
2015-12-28 09:05:49 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

Same observed here with 15.10. I consider this as a security concern, too. You may try:
gsettings set org.gnome.desktop.screensaver ubuntu-lock-on-suspend 'true'
It worked for me
Kind regards
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desktop contents briefly visible on resume from suspend before lock
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Robert Kampas
2015-12-29 01:57:11 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

I have Ubuntu 15.10 on my laptop and this is still happening.
Unfortunately solution above didn't help.
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desktop contents briefly visible on resume from suspend before lock
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Gatonegro
2016-01-29 21:18:32 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

It still happens for me too in 15.10 --whenever I close the laptop lid,
the computer hibernates (I have set it to hibernate) correctly and upon
powering the laptop again, the contents are briefly visible before the
lock screen comes up. The contents can actually be glimpsed at, so it is
a security risk.
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desktop contents briefly visible on resume from suspend before lock
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Daniel
2016-02-29 18:08:58 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

The same for me (Ubuntu 15.10, org.gnome.desktop.screensaver ubuntu-
lock-on-suspend is true, Lenovo T450s)
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desktop contents briefly visible on resume from suspend before lock
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Maximilian
2016-03-08 21:31:51 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

Same here, Lenovo T450s and Ubuntu 15.10. , org.gnome.desktop.screensaver ubuntu-lock-on-suspend is true.
The screen content is visible for multiple seconds after a resume.
As a work around I can manually lock the screen before hibernating.
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desktop contents briefly visible on resume from suspend before lock
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thunder.glove
2016-03-20 23:03:17 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

Yes me too, Ubuntu 15.10 Unity, Toshiba Chromebook 2. I've the below as
I thought it was an issue with the screensaver after reading other
sites. No luck:


gsettings set org.gnome.desktop.screensaver ubuntu-lock-on-suspend 'true'
sudo sed -i "s/NoDisplay=true/NoDisplay=false/g" /etc/xdg/autostart/*.desktop
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desktop contents briefly visible on resume from suspend before lock
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rubo77
2016-07-29 10:31:54 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

It only occurs, when the screen is deactivated due to inactivity. If I
use CTRL ALT+L there is no such issue.
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desktop contents briefly visible on resume from suspend before lock
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Joost Rijneveld
2016-10-28 13:20:33 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

Note that this bug does not at all appear to be Ubuntu or Unity
specific; I'm getting exactly the same behaviour on Arch Linux running
Gnome 3.22.1.
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desktop contents briefly visible on resume from suspend before lock
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Suor
2016-11-16 12:53:22 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

Also occurs when suspending by closing the lid.
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desktop contents briefly visible on resume from suspend before lock
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Suor
2016-11-16 12:54:27 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

BTW this is still present in 16.10
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desktop contents briefly visible on resume from suspend before lock
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gethin
2016-12-01 11:01:31 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

This is a really bad issue, and frankly makes Linux security look like a
bit of a joke. This is what I did to get around it for the suspend key
on my desktop:

1. Use dconf-editor to change the button-suspend action at org>cinnamon
settings-daemon>plugins>power to 'nothing' (you could also amend lid-
close-ac-action and lid-close-bettery-action as well if you're using a
laptop).

2. Save the following script to a convenient location (also works with
gnome-screensaver-command):

#!/bin/bash
cinnamon-screensaver-command -l
systemctl suspend

3. Use the System Settings app to create a custom keybinding for the
sleep key that points to my script.

After this it behaves as it should. You can see the lock screen pop up
briefly before it goes to sleep, which is reassuring.
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desktop contents briefly visible on resume from suspend before lock
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gethin
2016-12-01 11:03:20 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

Obviously amend the instructions above if you're not using Cinnamon as a
window manager
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desktop contents briefly visible on resume from suspend before lock
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Stu Matthews
2017-05-10 13:31:15 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

Still present in 17.04
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desktop contents briefly visible on resume from suspend before lock
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Timber Schroeder
2017-06-21 08:08:40 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

Yep still get it in 17.04, also to be noted is that while using vmware,
the desktop does not lock until I click on something else, causing the
vm to lose input focus. So I can leave my computer for far longer than
the set lock time and it will not lock until somebody clicks somewhere
on the unity launcher or another window. IDK how this has existed since
2011, this is a glaring security bug.
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desktop contents briefly visible on resume from suspend before lock
dialog

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Boyd
2018-01-11 06:34:17 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

I get this with 17.10, i3, and slock.

** Also affects: i3-wm (Ubuntu)
Importance: Undecided
Status: New
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desktop contents briefly visible on resume from suspend before lock
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Martin Pool
2018-01-15 18:27:35 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300
From the discussion upthread this doesn't seem to be actually caused by any
particular wm.
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desktop contents briefly visible on resume from suspend before lock
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Launchpad Bug Tracker
2018-03-17 08:57:16 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: i3-wm (Ubuntu)
Status: New => Confirmed
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desktop contents briefly visible on resume from suspend before lock
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Lorant Nemeth
2018-05-16 07:02:04 UTC
Permalink
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300

I still experience this with stock Ubuntu 18.04 (fresh install, with
default wm, screensaver settings...) with latest upgrades.
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desktop contents briefly visible on resume from suspend before lock
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