Public bug reported:

The user session crashes when I disconnect the DVI cable from my
computer (which I do to connect another monitor instead). A similar
problem is described in two recent questions on AskUbuntu:

https://askubuntu.com/questions/969376/how-to-keep-graphical-session-
running-in-17-10-when-external-screen-is-turned-of

https://askubuntu.com/questions/969510/ubuntu-17-10-logs-out-when-
monitor-is-detached

I could not find a related bug report to subscribe to so here I am. I
would except the session to be available as if nothing had happened when
I reconnect the screen, or at most that the session is locked (but still
running).

These are the system logs from when I tested it twice, at 00:26:50 and
at 00:28:30. (I'm not sure if the rfkill message is related.)

00:28:46 kernel: rfkill: input handler disabled
00:28:30 kernel: gnome-shell[11544]: segfault at 18 ip 00007f3edabafe04 sp 
00007ffcaf8c6c68 error 4 in libmutter-1.so.0.0.0[7f3edab11000+141000]
00:28:30 kernel: nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for 
DVI-I-1
00:27:11 kernel: rfkill: input handler disabled
00:26:51 kernel: gnome-shell[10348]: segfault at 18 ip 00007f208bbfbe04 sp 
00007fff247c7f98 error 4 in libmutter-1.so.0.0.0[7f208bb5d000+141000]
00:26:50 kernel: nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for 
DVI-I-1

I'm using Ubuntu 17.10, gnome-shell is at 3.26.1-0ubuntu5.

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: 2.20.7-0ubuntu3.4
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sun Nov 19 00:31:34 2017
DisplayManager: gdm3
GsettingsChanges:
 b'org.gnome.shell' b'enable-hot-corners' b'true'
 b'org.gnome.shell' b'favorite-apps' b"['firefox.desktop', 'empathy.desktop', 
'libreoffice-writer.desktop', 'rhythmbox.desktop', 
'org.gnome.Nautilus.desktop', 'org.gnome.gedit.desktop', 
'org.gnome.Terminal.desktop', 'shotwell.desktop', 'gnucash.desktop', 
'transmission-gtk.desktop']"
 b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
InstallationDate: Installed on 2017-07-20 (121 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to artful on 2017-11-14 (4 days ago)

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


** Tags: amd64 apport-bug artful wayland-session

-- 
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/1733127

Title:
  Session crashes when monitor is disconnected

Status in gnome-shell package in Ubuntu:
  New

Bug description:
  The user session crashes when I disconnect the DVI cable from my
  computer (which I do to connect another monitor instead). A similar
  problem is described in two recent questions on AskUbuntu:

  https://askubuntu.com/questions/969376/how-to-keep-graphical-session-
  running-in-17-10-when-external-screen-is-turned-of

  https://askubuntu.com/questions/969510/ubuntu-17-10-logs-out-when-
  monitor-is-detached

  I could not find a related bug report to subscribe to so here I am. I
  would except the session to be available as if nothing had happened
  when I reconnect the screen, or at most that the session is locked
  (but still running).

  These are the system logs from when I tested it twice, at 00:26:50 and
  at 00:28:30. (I'm not sure if the rfkill message is related.)

  00:28:46 kernel: rfkill: input handler disabled
  00:28:30 kernel: gnome-shell[11544]: segfault at 18 ip 00007f3edabafe04 sp 
00007ffcaf8c6c68 error 4 in libmutter-1.so.0.0.0[7f3edab11000+141000]
  00:28:30 kernel: nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for 
DVI-I-1
  00:27:11 kernel: rfkill: input handler disabled
  00:26:51 kernel: gnome-shell[10348]: segfault at 18 ip 00007f208bbfbe04 sp 
00007fff247c7f98 error 4 in libmutter-1.so.0.0.0[7f208bb5d000+141000]
  00:26:50 kernel: nouveau 0000:01:00.0: DRM: DDC responded, but no EDID for 
DVI-I-1

  I'm using Ubuntu 17.10, gnome-shell is at 3.26.1-0ubuntu5.

  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: 2.20.7-0ubuntu3.4
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Nov 19 00:31:34 2017
  DisplayManager: gdm3
  GsettingsChanges:
   b'org.gnome.shell' b'enable-hot-corners' b'true'
   b'org.gnome.shell' b'favorite-apps' b"['firefox.desktop', 'empathy.desktop', 
'libreoffice-writer.desktop', 'rhythmbox.desktop', 
'org.gnome.Nautilus.desktop', 'org.gnome.gedit.desktop', 
'org.gnome.Terminal.desktop', 'shotwell.desktop', 'gnucash.desktop', 
'transmission-gtk.desktop']"
   b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
  InstallationDate: Installed on 2017-07-20 (121 days ago)
  InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  SourcePackage: gnome-shell
  UpgradeStatus: Upgraded to artful on 2017-11-14 (4 days ago)

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