Public bug reported:

The desktop area stops accepting inputs from the mouse, keyboard,
trackpad, and touchscreen.

However, gnome session is not frozen, because I can still interact with
the topbar and the Ubuntu Dock using the pointer or keyboard.

I can move the pointer using the trackpad, or attached mouse, but
clicking or typing in windows on the desktop area has no effect.

What I can not do:
- I can not close windows using the window buttons.
- I can not move windows.
- I can not bring windows to the foreground.
- I can not click on any dialog buttons.
- I can not type in any test areas (such as in gedit).

What I can do:
- I can start the activities view by clicking on Activities in the top left 
corner.
- I can launch programs from the dock and from the applications button.
- I can also interact with the notifications area or the indicator icons at the 
right of the topbar.
- I can type and search for applications after entering the Activities overview.

Logging-out and loggin-in does not resolve the problem.
- Note that GDM accepts mouse and keyboard inputs.
- After logging back into the desktop, I can not interact with the desktop 
area, as before.

Restating is the only way to regain ability to interact with the windows
and desktop area.

I experience this issue on my laptop running Ubuntu 17.10, but I have
not had this issue on my desktop running Ubuntu 17.10.

Additional Information (Laptop):
  2017 HP Spectre x360 Convertible Laptop - 15t touch
  GeForce MX150
  Using xserver-xorg 1:7.7+19ubuntu3 amd64
  Using Nvidia binary driver version 384.90
  $ lsb_release -rd
  Description:  Ubuntu 17.10
  Release:      17.10
  $ gnome-shell --version
  GNOME Shell 3.26.1
  $ mutter --version
  mutter 3.26.1

Note: My desktop (which does not have this issue) is also running Ubuntu
17.10, has an Nvidia card, and is using the proprietary driver with
xorg.

I'm not sure if mutter is responsible for handling mouse/keyboard inputs
separately from GDM, extensions, and the topbar, so I opened this bug
against gnome-shell.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.26.1-0ubuntu5
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.1
Architecture: amd64
CurrentDesktop: GNOME
Date: Sun Nov  5 14:19:45 2017
DisplayManager: gdm3
GsettingsChanges:
 b'org.gnome.shell' b'had-bluetooth-devices-setup' b'true'
 b'org.gnome.shell' b'app-picker-view' b'uint32 1'
 b'org.gnome.shell' b'favorite-apps' b"['google-chrome.desktop', 
'chrome-eppojlglocelodeimnohnlnionkobfln-Default.desktop', 
'org.gnome.Nautilus.desktop', 'org.gnome.gedit.desktop', 
'org.gnome.Terminal.desktop', 'libreoffice-writer.desktop', 
'libreoffice-calc.desktop', 'org.gnome.Software.desktop', 
'gnome-system-monitor.desktop']"
 b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
InstallationDate: Installed on 2017-11-03 (1 days ago)
InstallationMedia: Ubuntu 17.10.0 2017.10.23 amd64 "Custom Artful Aardvark"
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)

** Affects: gnome-shell (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug artful

** Description changed:

- The desktop area stops accepting inputs from the mouse, keyboard, trackpad, 
and touchscreen.
- I can move the pointer using the trackpad or attached mouse, but clicking or 
typing has no effect.
- However, gnome session is not frozen, because I can still interact with the 
topbar and the Ubuntu Dock.
+ The desktop area stops accepting inputs from the mouse, keyboard,
+ trackpad, and touchscreen.
+ 
+ However, gnome session is not frozen, because I can still interact with
+ the topbar and the Ubuntu Dock using the pointer or keyboard.
+ 
+ I can move the pointer using the trackpad, or attached mouse, but
+ clicking or typing in windows on the desktop area has no effect.
  
  What I can not do:
  - I can not close windows using the window buttons.
  - I can not move windows.
  - I can not bring windows to the foreground.
  - I can not click on any dialog buttons.
  - I can not type in any test areas (such as in gedit).
  
  What I can do:
  - I can start the activities view by clicking on Activities in the top left 
corner.
  - I can launch programs from the dock and from the applications button.
  - I can also interact with the notifications area or the indicator icons at 
the right of the topbar.
  - I can type and search for applications after entering the Activities 
overview.
  
  Logging-out and loggin-in does not resolve the problem.
  - Note that GDM accepts mouse and keyboard inputs.
  - After logging back into the desktop, I can not interact with the desktop 
area, as before.
  
  Restating is the only way to regain ability to interact with the windows
  and desktop area.
  
  Additional Information:
-   2017 HP Spectre x360 Convertible Laptop - 15t touch
-   GeForce MX150
-   Using xserver-xorg 1:7.7+19ubuntu3 amd64
-   Using Nvidia binary driver version 384.90
-   $ lsb_release -rd
-   Description:        Ubuntu 17.10
-   Release:    17.10
-   $ gnome-shell --version
-   GNOME Shell 3.26.1
-   $ mutter --version
-   mutter 3.26.1
+   2017 HP Spectre x360 Convertible Laptop - 15t touch
+   GeForce MX150
+   Using xserver-xorg 1:7.7+19ubuntu3 amd64
+   Using Nvidia binary driver version 384.90
+   $ lsb_release -rd
+   Description:        Ubuntu 17.10
+   Release:    17.10
+   $ gnome-shell --version
+   GNOME Shell 3.26.1
+   $ mutter --version
+   mutter 3.26.1
  
  I'm not sure if mutter is responsible for handling mouse/keyboard inputs
  separately from GDM, extensions, and the topbar, so I opened this bug
  against gnome-shell.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: gnome-shell 3.26.1-0ubuntu5
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.1
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Sun Nov  5 14:19:45 2017
  DisplayManager: gdm3
  GsettingsChanges:
-  b'org.gnome.shell' b'had-bluetooth-devices-setup' b'true'
-  b'org.gnome.shell' b'app-picker-view' b'uint32 1'
-  b'org.gnome.shell' b'favorite-apps' b"['google-chrome.desktop', 
'chrome-eppojlglocelodeimnohnlnionkobfln-Default.desktop', 
'org.gnome.Nautilus.desktop', 'org.gnome.gedit.desktop', 
'org.gnome.Terminal.desktop', 'libreoffice-writer.desktop', 
'libreoffice-calc.desktop', 'org.gnome.Software.desktop', 
'gnome-system-monitor.desktop']"
-  b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
+  b'org.gnome.shell' b'had-bluetooth-devices-setup' b'true'
+  b'org.gnome.shell' b'app-picker-view' b'uint32 1'
+  b'org.gnome.shell' b'favorite-apps' b"['google-chrome.desktop', 
'chrome-eppojlglocelodeimnohnlnionkobfln-Default.desktop', 
'org.gnome.Nautilus.desktop', 'org.gnome.gedit.desktop', 
'org.gnome.Terminal.desktop', 'libreoffice-writer.desktop', 
'libreoffice-calc.desktop', 'org.gnome.Software.desktop', 
'gnome-system-monitor.desktop']"
+  b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
  InstallationDate: Installed on 2017-11-03 (1 days ago)
  InstallationMedia: Ubuntu 17.10.0 2017.10.23 amd64 "Custom Artful Aardvark"
  ProcEnviron:
-  TERM=xterm-256color
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=<set>
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  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)

** Description changed:

  The desktop area stops accepting inputs from the mouse, keyboard,
  trackpad, and touchscreen.
  
  However, gnome session is not frozen, because I can still interact with
  the topbar and the Ubuntu Dock using the pointer or keyboard.
  
  I can move the pointer using the trackpad, or attached mouse, but
  clicking or typing in windows on the desktop area has no effect.
  
  What I can not do:
  - I can not close windows using the window buttons.
  - I can not move windows.
  - I can not bring windows to the foreground.
  - I can not click on any dialog buttons.
  - I can not type in any test areas (such as in gedit).
  
  What I can do:
  - I can start the activities view by clicking on Activities in the top left 
corner.
  - I can launch programs from the dock and from the applications button.
  - I can also interact with the notifications area or the indicator icons at 
the right of the topbar.
  - I can type and search for applications after entering the Activities 
overview.
  
  Logging-out and loggin-in does not resolve the problem.
  - Note that GDM accepts mouse and keyboard inputs.
  - After logging back into the desktop, I can not interact with the desktop 
area, as before.
  
  Restating is the only way to regain ability to interact with the windows
  and desktop area.
  
- Additional Information:
+ I experience this issue on my laptop running Ubuntu 17.10, but I have
+ not had this issue on my desktop running Ubuntu 17.10.
+ 
+ Additional Information (Laptop):
    2017 HP Spectre x360 Convertible Laptop - 15t touch
    GeForce MX150
    Using xserver-xorg 1:7.7+19ubuntu3 amd64
    Using Nvidia binary driver version 384.90
    $ lsb_release -rd
    Description:        Ubuntu 17.10
    Release:    17.10
    $ gnome-shell --version
    GNOME Shell 3.26.1
    $ mutter --version
    mutter 3.26.1
+ 
+ Note: My desktop (which does not have this issue) is also running Ubuntu
+ 17.10, has an Nvidia card, and is using the proprietary driver with
+ xorg.
  
  I'm not sure if mutter is responsible for handling mouse/keyboard inputs
  separately from GDM, extensions, and the topbar, so I opened this bug
  against gnome-shell.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: gnome-shell 3.26.1-0ubuntu5
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.1
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Sun Nov  5 14:19:45 2017
  DisplayManager: gdm3
  GsettingsChanges:
   b'org.gnome.shell' b'had-bluetooth-devices-setup' b'true'
   b'org.gnome.shell' b'app-picker-view' b'uint32 1'
   b'org.gnome.shell' b'favorite-apps' b"['google-chrome.desktop', 
'chrome-eppojlglocelodeimnohnlnionkobfln-Default.desktop', 
'org.gnome.Nautilus.desktop', 'org.gnome.gedit.desktop', 
'org.gnome.Terminal.desktop', 'libreoffice-writer.desktop', 
'libreoffice-calc.desktop', 'org.gnome.Software.desktop', 
'gnome-system-monitor.desktop']"
   b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
  InstallationDate: Installed on 2017-11-03 (1 days ago)
  InstallationMedia: Ubuntu 17.10.0 2017.10.23 amd64 "Custom Artful Aardvark"
  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)

** Summary changed:

- Desktop stops accepting input from mouse, keyboard, touchpad, or touchscreen, 
but shell components still accept input
+ Desktop stops accepting input from mouse, keyboard, touchpad, or touchscreen, 
but topbar and dock still accept input

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https://bugs.launchpad.net/bugs/1730229

Title:
  Desktop stops accepting input from mouse, keyboard, touchpad, or
  touchscreen, but topbar and dock still accept input

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