*** This bug is a duplicate of bug 49579 ***
https://bugs.launchpad.net/bugs/49579
The virtual machine window is grabbing the keyboard and mouse, which
prevents the screensaver process from starting properly. While the
screensaver is stuck waiting to grab the keyboard or mouse, DPMI blanks
the screen. When you get back, by moving the mouse you clear the
keyboard/mouse grab and then the screensaver process grabs them and
starts up. This is a longstanding issue, and there's nothing that can be
done to fix this with the current design of xorg. This is a dupe of bug
49579
** 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-screensaver in Ubuntu.
https://bugs.launchpad.net/bugs/1124282
Title:
screen lock by timeout does not affect vm
Status in “gnome-screensaver” package in Ubuntu:
Opinion
Bug description:
I have a virtualbox running a Windows 7 64 bit on my Ubuntu 12.04 64 bit. If
the Windows window is on focus and i am inactive, then my screen is locked
after a certain amount of time and should normally ask for my password. But it
only does so if a change the focus to a window other than my virtual machine.
Worse than that, if I hurry after my screen should be locked, I
perform some actions on my Ubuntu host before the password prompt
locks the screen. So the presence of my virtualbox allows people to
open a terminal on the host and type any command in the worst case.
This is a security issue.
Ubuntu: 12.04 64 bit
Window Manager: gnome-shell
VM: Oracle VM VirtualBox Manager 4.1.12_Ubuntu
Screen saver: gnome-screensaver 3.4.1
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-screensaver 3.4.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-37.58-generic 3.2.35
Uname: Linux 3.2.0-37-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
Date: Wed Feb 13 17:19:45 2013
GnomeSessionIdleInhibited: No
GnomeSessionInhibitors: None
GsettingsGnomeSession:
org.gnome.desktop.session idle-delay uint32 600
org.gnome.desktop.session session-name 'ubuntu'
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120423)
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-screensaver
UpgradeStatus: No upgrade log present (probably fresh install)
WindowManager: No value set for
`/desktop/gnome/session/required_components/windowmanager'
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