** Description changed:

  Today I upgraded from Ubuntu 2016.04.1 LTS with "sudo do-release-upgrade -d"
  I also switch back from Gnome to Ubuntu's default desktop environment, which 
I had left about a year ago because of bugs.
  Now Ubuntu seems to be working fine, but I received this error report out of 
nowhere.
+ 
+ Instance on errors.u.c
+ https://errors.ubuntu.com/problem/db9f31c05086077179fffc889aa4fa02c8e57f46
+ 
  
  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: gnome-screensaver 3.6.1-8ubuntu1
  ProcVersionSignature: Ubuntu 4.13.0-25.29-generic 4.13.13
  Uname: Linux 4.13.0-25-generic x86_64
  ApportVersion: 2.20.8-0ubuntu6
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jan 22 16:18:38 2018
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/gnome-screensaver
  InstallationDate: Installed on 2016-03-21 (672 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  ProcCmdline: /usr/bin/gnome-screensaver --no-daemon
  Signal: 11
  SourcePackage: gnome-screensaver
  StacktraceTop:
-  XGetScreenSaver () at /usr/lib/x86_64-linux-gnu/libX11.so.6
-  ()
-  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
-  g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
-  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
+  XGetScreenSaver () at /usr/lib/x86_64-linux-gnu/libX11.so.6
+  ()
+  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
+  g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
+  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  Title: gnome-screensaver crashed with SIGSEGV in XGetScreenSaver()
  UpgradeStatus: Upgraded to bionic on 2018-01-22 (0 days ago)
  UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo wireshark

** Changed in: gnome-screensaver (Ubuntu)
   Importance: Medium => High

** Summary changed:

- gnome-screensaver crashed with SIGSEGV in XGetScreenSaver()
+ gnome-screensaver crashed with SIGSEGV in XGetScreenSaver → 
disable_builtin_screensaver → watchdog_timer → g_timeout_dispatch → 
g_main_dispatch

-- 
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/1744657

Title:
  gnome-screensaver crashed with SIGSEGV in XGetScreenSaver →
  disable_builtin_screensaver → watchdog_timer → g_timeout_dispatch →
  g_main_dispatch

Status in gnome-screensaver package in Ubuntu:
  Confirmed

Bug description:
  Today I upgraded from Ubuntu 2016.04.1 LTS with "sudo do-release-upgrade -d"
  I also switch back from Gnome to Ubuntu's default desktop environment, which 
I had left about a year ago because of bugs.
  Now Ubuntu seems to be working fine, but I received this error report out of 
nowhere.

  Instance on errors.u.c
  https://errors.ubuntu.com/problem/db9f31c05086077179fffc889aa4fa02c8e57f46

  
  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: gnome-screensaver 3.6.1-8ubuntu1
  ProcVersionSignature: Ubuntu 4.13.0-25.29-generic 4.13.13
  Uname: Linux 4.13.0-25-generic x86_64
  ApportVersion: 2.20.8-0ubuntu6
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jan 22 16:18:38 2018
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/gnome-screensaver
  InstallationDate: Installed on 2016-03-21 (672 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  ProcCmdline: /usr/bin/gnome-screensaver --no-daemon
  Signal: 11
  SourcePackage: gnome-screensaver
  StacktraceTop:
   XGetScreenSaver () at /usr/lib/x86_64-linux-gnu/libX11.so.6
   ()
   () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
   g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
   () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
  Title: gnome-screensaver crashed with SIGSEGV in XGetScreenSaver()
  UpgradeStatus: Upgraded to bionic on 2018-01-22 (0 days ago)
  UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo wireshark

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/1744657/+subscriptions

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