*** This bug is a duplicate of bug 1714542 ***
    https://bugs.launchpad.net/bugs/1714542

Public bug reported:

As of an upgrade to 3.25.91 (last session that did not exhibit this
behavior was a 3.24.x session), I've experienced several crashes of the
shell in the overview.  journalctl shows the following output at the
time of the crash:

Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8792]: Window manager warning: 
Overwriting existing binding of keysym ffb5 with keysym ffb5 (keycode 54).
Sep 01 08:14:41 spiny gnome-shell[8506]: meta_renderer_native_release_onscreen: 
assertion 'onscreen_native->gbm.next_fb_id == 0' failed
Sep 01 08:14:41 spiny gnome-shell[8506]: _cogl_onscreen_free: assertion 
'onscreen->winsys == ((void *)0)' failed
Sep 01 08:14:41 spiny kernel: gnome-shell[8506]: segfault at 1a0 ip 
00007fc6008dd296 sp 00007fff2df360f0 error 4 in 
libmutter-1.so.0.0.0[7fc6007f9000+13e000]
Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: (EE)
Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: Fatal server error:
Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: (EE) failed to read 
Wayland events: Connection reset by peer
Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: (EE)
Sep 01 08:14:41 spiny gnome-session[8488]: gnome-session-binary[8488]: WARNING: 
Application 'org.gnome.Shell.desktop' killed by signal 11
Sep 01 08:14:41 spiny gnome-session-binary[8488]: Unrecoverable failure in 
required component org.gnome.Shell.desktop
Sep 01 08:14:41 spiny gnome-session-binary[8488]: WARNING: Application 
'org.gnome.Shell.desktop' killed by signal 11
Sep 01 08:14:41 spiny polkitd(authority=local)[1424]: Unregistered 
Authentication Agent for unix-session:c3 (system bus name :1.868, object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disco
Sep 01 08:14:41 spiny gsd-media-keys[8610]: gsd-media-keys: Fatal IO error 11 
(Resource temporarily unavailable) on X server :1024.
Sep 01 08:14:41 spiny gsd-keyboard[8607]: gsd-keyboard: Fatal IO error 11 
(Resource temporarily unavailable) on X server :1024.
Sep 01 08:14:41 spiny gsd-clipboard[8596]: gsd-clipboard: Fatal IO error 11 
(Resource temporarily unavailable) on X server :1024.
Sep 01 08:14:41 spiny gsd-power[8613]: gsd-power: Fatal IO error 11 (Resource 
temporarily unavailable) on X server :1024.
Sep 01 08:14:41 spiny gsd-color[8599]: gsd-color: Fatal IO error 11 (Resource 
temporarily unavailable) on X server :1024.
Sep 01 08:14:41 spiny org.a11y.atspi.Registry[8529]: XIO:  fatal IO error 11 
(Resource temporarily unavailable) on X server ":1024"
Sep 01 08:14:41 spiny org.a11y.atspi.Registry[8529]:       after 21 requests 
(21 known processed) with 0 events remaining.
Sep 01 08:14:41 spiny gdm-launch-environment][8400]: 
pam_unix(gdm-launch-environment:session): session closed for user gdm
Sep 01 08:14:41 spiny systemd-logind[1376]: Removed session c3.
Sep 01 08:14:41 spiny systemd[1]: Stopping User Manager for UID 121...
Sep 01 08:14:41 spiny systemd[8432]: Stopping Accessibility services bus...
Sep 01 08:14:41 spiny systemd[8432]: Stopping Sound Service...
Sep 01 08:14:41 spiny systemd[8432]: Stopped target Default.
Sep 01 08:14:41 spiny systemd[8432]: Stopping D-Bus User Message Bus...
Sep 01 08:14:41 spiny systemd[8432]: Stopping sandboxed app permission store...
Sep 01 08:14:41 spiny systemd[8432]: Stopped sandboxed app permission store.
Sep 01 08:14:41 spiny systemd[8432]: Stopped D-Bus User Message Bus.
Sep 01 08:14:41 spiny systemd[8432]: Stopped Accessibility services bus.
Sep 01 08:14:41 spiny systemd[8432]: Stopped Sound Service.
Sep 01 08:14:41 spiny systemd[8432]: Stopped target Basic System.
Sep 01 08:14:41 spiny systemd[8432]: Stopped target Paths.
Sep 01 08:14:41 spiny systemd[8432]: Stopped target Timers.
Sep 01 08:14:41 spiny systemd[8432]: Stopped target Sockets.
Sep 01 08:14:41 spiny systemd[8432]: Closed D-Bus User Message Bus Socket.
Sep 01 08:14:41 spiny systemd[8432]: Closed Sound System.
Sep 01 08:14:41 spiny systemd[8432]: Reached target Shutdown.
Sep 01 08:14:41 spiny systemd[8432]: Starting Exit the Session...
Sep 01 08:14:41 spiny systemd[8432]: Received SIGRTMIN+24 from PID 8854 (kill).
Sep 01 08:14:41 spiny systemd[1]: Stopped User Manager for UID 121.
Sep 01 08:14:41 spiny systemd[1]: Removed slice User Slice of gdm.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.25.91-0ubuntu1
ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
Uname: Linux 4.12.0-12-generic x86_64
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
CurrentDesktop: GNOME
Date: Fri Sep  1 08:15:50 2017
DisplayManager: gdm3
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-08-21 (742 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Alpha amd64 (20150819)
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 wayland-session

** This bug has been marked a duplicate of private bug 1714542

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https://bugs.launchpad.net/bugs/1714540

Title:
  gnome-shell crash in overview

Status in gnome-shell package in Ubuntu:
  New

Bug description:
  As of an upgrade to 3.25.91 (last session that did not exhibit this
  behavior was a 3.24.x session), I've experienced several crashes of
  the shell in the overview.  journalctl shows the following output at
  the time of the crash:

  Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8792]: Window manager warning: 
Overwriting existing binding of keysym ffb5 with keysym ffb5 (keycode 54).
  Sep 01 08:14:41 spiny gnome-shell[8506]: 
meta_renderer_native_release_onscreen: assertion 
'onscreen_native->gbm.next_fb_id == 0' failed
  Sep 01 08:14:41 spiny gnome-shell[8506]: _cogl_onscreen_free: assertion 
'onscreen->winsys == ((void *)0)' failed
  Sep 01 08:14:41 spiny kernel: gnome-shell[8506]: segfault at 1a0 ip 
00007fc6008dd296 sp 00007fff2df360f0 error 4 in 
libmutter-1.so.0.0.0[7fc6007f9000+13e000]
  Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: (EE)
  Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: Fatal server error:
  Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: (EE) failed to read 
Wayland events: Connection reset by peer
  Sep 01 08:14:41 spiny org.gnome.Shell.desktop[8506]: (EE)
  Sep 01 08:14:41 spiny gnome-session[8488]: gnome-session-binary[8488]: 
WARNING: Application 'org.gnome.Shell.desktop' killed by signal 11
  Sep 01 08:14:41 spiny gnome-session-binary[8488]: Unrecoverable failure in 
required component org.gnome.Shell.desktop
  Sep 01 08:14:41 spiny gnome-session-binary[8488]: WARNING: Application 
'org.gnome.Shell.desktop' killed by signal 11
  Sep 01 08:14:41 spiny polkitd(authority=local)[1424]: Unregistered 
Authentication Agent for unix-session:c3 (system bus name :1.868, object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disco
  Sep 01 08:14:41 spiny gsd-media-keys[8610]: gsd-media-keys: Fatal IO error 11 
(Resource temporarily unavailable) on X server :1024.
  Sep 01 08:14:41 spiny gsd-keyboard[8607]: gsd-keyboard: Fatal IO error 11 
(Resource temporarily unavailable) on X server :1024.
  Sep 01 08:14:41 spiny gsd-clipboard[8596]: gsd-clipboard: Fatal IO error 11 
(Resource temporarily unavailable) on X server :1024.
  Sep 01 08:14:41 spiny gsd-power[8613]: gsd-power: Fatal IO error 11 (Resource 
temporarily unavailable) on X server :1024.
  Sep 01 08:14:41 spiny gsd-color[8599]: gsd-color: Fatal IO error 11 (Resource 
temporarily unavailable) on X server :1024.
  Sep 01 08:14:41 spiny org.a11y.atspi.Registry[8529]: XIO:  fatal IO error 11 
(Resource temporarily unavailable) on X server ":1024"
  Sep 01 08:14:41 spiny org.a11y.atspi.Registry[8529]:       after 21 requests 
(21 known processed) with 0 events remaining.
  Sep 01 08:14:41 spiny gdm-launch-environment][8400]: 
pam_unix(gdm-launch-environment:session): session closed for user gdm
  Sep 01 08:14:41 spiny systemd-logind[1376]: Removed session c3.
  Sep 01 08:14:41 spiny systemd[1]: Stopping User Manager for UID 121...
  Sep 01 08:14:41 spiny systemd[8432]: Stopping Accessibility services bus...
  Sep 01 08:14:41 spiny systemd[8432]: Stopping Sound Service...
  Sep 01 08:14:41 spiny systemd[8432]: Stopped target Default.
  Sep 01 08:14:41 spiny systemd[8432]: Stopping D-Bus User Message Bus...
  Sep 01 08:14:41 spiny systemd[8432]: Stopping sandboxed app permission 
store...
  Sep 01 08:14:41 spiny systemd[8432]: Stopped sandboxed app permission store.
  Sep 01 08:14:41 spiny systemd[8432]: Stopped D-Bus User Message Bus.
  Sep 01 08:14:41 spiny systemd[8432]: Stopped Accessibility services bus.
  Sep 01 08:14:41 spiny systemd[8432]: Stopped Sound Service.
  Sep 01 08:14:41 spiny systemd[8432]: Stopped target Basic System.
  Sep 01 08:14:41 spiny systemd[8432]: Stopped target Paths.
  Sep 01 08:14:41 spiny systemd[8432]: Stopped target Timers.
  Sep 01 08:14:41 spiny systemd[8432]: Stopped target Sockets.
  Sep 01 08:14:41 spiny systemd[8432]: Closed D-Bus User Message Bus Socket.
  Sep 01 08:14:41 spiny systemd[8432]: Closed Sound System.
  Sep 01 08:14:41 spiny systemd[8432]: Reached target Shutdown.
  Sep 01 08:14:41 spiny systemd[8432]: Starting Exit the Session...
  Sep 01 08:14:41 spiny systemd[8432]: Received SIGRTMIN+24 from PID 8854 
(kill).
  Sep 01 08:14:41 spiny systemd[1]: Stopped User Manager for UID 121.
  Sep 01 08:14:41 spiny systemd[1]: Removed slice User Slice of gdm.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: gnome-shell 3.25.91-0ubuntu1
  ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
  Uname: Linux 4.12.0-12-generic x86_64
  ApportVersion: 2.20.7-0ubuntu1
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Fri Sep  1 08:15:50 2017
  DisplayManager: gdm3
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2015-08-21 (742 days ago)
  InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Alpha amd64 (20150819)
  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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