*** This bug is a duplicate of bug 49579 ***
https://bugs.launchpad.net/bugs/49579
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 49579, so it is being marked as such.
This is a fundamental bug in the design of X11 and cannot be easily
fixed within X11.
You should manually lock your screen if a locked session is important to
you.
Please continue to report any other bugs you may find.
** Information type changed from Private Security to Public
** Changed in: gnome-shell (Ubuntu)
Status: New => Confirmed
** This bug has been marked a duplicate of bug 49579
screen doesn't lock when some menu is open
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/1716793
Title:
Gnome session fails to lock automatically when VirtualBox VM is in the
foreground
Status in gnome-shell package in Ubuntu:
Confirmed
Bug description:
In Ubuntu Gnome 16.04, if a VirtualBox VM is in the foreground, Gnome
will not lock the screen automatically, and will display a message
that it couldn't lock the screen. This could allow an unauthorized
user with physical access to gain access to the session. Locking the
session manually from the menu still works.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: gnome-shell 3.18.5-0ubuntu0.3
ProcVersionSignature: Ubuntu 4.10.0-33.37~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-33-generic x86_64
NonfreeKernelModules: nvidia_uvm zfs zunicode zavl zcommon znvpair nvidia_drm
nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
CurrentDesktop: GNOME
Date: Tue Sep 12 18:58:03 2017
DisplayManager: gdm3
GsettingsChanges:
b'org.gnome.shell' b'favorite-apps' b"['google-chrome.desktop',
'evolution.desktop', 'empathy.desktop', 'rhythmbox.desktop',
'org.gnome.Photos.desktop', 'libreoffice-writer.desktop',
'org.gnome.Nautilus.desktop', 'yelp.desktop']"
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
b'org.gnome.desktop.interface' b'clock-format' b"'12h'"
JournalErrors:
Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000']
failed with exit code 1: Hint: You are currently not seeing messages from other
users and the system.
Users in the 'systemd-journal' group can see all messages. Pass -q to
turn off this notice.
No journal files were opened due to insufficient permissions.
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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