*** This bug is a duplicate of bug 1724439 ***
    https://bugs.launchpad.net/bugs/1724439

** Description changed:

  Had been AFK for a couple of hours with the display turned off, came
  back and turned it on when this occurred.
  
- I've redirected Gnome shell related log etries away from my syslog so
+ I've redirected Gnome Shell related log entries away from my syslog so
  I'm attaching the separate log here.
  
  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: gnome-shell 3.28.0-0ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
  Uname: Linux 4.15.0-13-generic x86_64
  ApportVersion: 2.20.9-0ubuntu2
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Mar 30 12:02:25 2018
  DisplayManager: gdm3
  ExecutablePath: /usr/bin/gnome-shell
  InstallationDate: Installed on 2016-10-13 (532 days ago)
  InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  ProcCmdline: /usr/bin/gnome-shell
  ProcEnviron:
-  PATH=(custom, user)
-  XDG_RUNTIME_DIR=<set>
-  LANG=fi_FI.UTF-8
-  SHELL=/bin/bash
+  PATH=(custom, user)
+  XDG_RUNTIME_DIR=<set>
+  LANG=fi_FI.UTF-8
+  SHELL=/bin/bash
  SegvAnalysis:
-  Segfault happened at: 0x7ff6e1385c24 <meta_window_get_monitor+4>:    mov    
0x18(%rax),%eax
-  PC (0x7ff6e1385c24) ok
-  source "0x18(%rax)" (0x00000018) not located in a known VMA region (needed 
readable region)!
-  destination "%eax" ok
+  Segfault happened at: 0x7ff6e1385c24 <meta_window_get_monitor+4>:    mov    
0x18(%rax),%eax
+  PC (0x7ff6e1385c24) ok
+  source "0x18(%rax)" (0x00000018) not located in a known VMA region (needed 
readable region)!
+  destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gnome-shell
  StacktraceTop:
-  meta_window_get_monitor () at /usr/lib/x86_64-linux-gnu/libmutter-2.so.0
-  ffi_call_unix64 () at /usr/lib/x86_64-linux-gnu/libffi.so.6
-  ffi_call () at /usr/lib/x86_64-linux-gnu/libffi.so.6
-  () at /usr/lib/libgjs.so.0
-  () at /usr/lib/libgjs.so.0
+  meta_window_get_monitor () at /usr/lib/x86_64-linux-gnu/libmutter-2.so.0
+  ffi_call_unix64 () at /usr/lib/x86_64-linux-gnu/libffi.so.6
+  ffi_call () at /usr/lib/x86_64-linux-gnu/libffi.so.6
+  () at /usr/lib/libgjs.so.0
+  () at /usr/lib/libgjs.so.0
  Title: gnome-shell crashed with SIGSEGV in meta_window_get_monitor()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom debian-transmission dip lp lpadmin lxd plugdev 
sambashare ssh sudo vboxusers

-- 
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/1760056

Title:
  gnome-shell crashed with SIGSEGV in meta_window_get_monitor()

Status in gnome-shell package in Ubuntu:
  New

Bug description:
  Had been AFK for a couple of hours with the display turned off, came
  back and turned it on when this occurred.

  I've redirected Gnome Shell related log entries away from my syslog so
  I'm attaching the separate log here.

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: gnome-shell 3.28.0-0ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
  Uname: Linux 4.15.0-13-generic x86_64
  ApportVersion: 2.20.9-0ubuntu2
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Mar 30 12:02:25 2018
  DisplayManager: gdm3
  ExecutablePath: /usr/bin/gnome-shell
  InstallationDate: Installed on 2016-10-13 (532 days ago)
  InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  ProcCmdline: /usr/bin/gnome-shell
  ProcEnviron:
   PATH=(custom, user)
   XDG_RUNTIME_DIR=<set>
   LANG=fi_FI.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7ff6e1385c24 <meta_window_get_monitor+4>:    mov    
0x18(%rax),%eax
   PC (0x7ff6e1385c24) ok
   source "0x18(%rax)" (0x00000018) not located in a known VMA region (needed 
readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gnome-shell
  StacktraceTop:
   meta_window_get_monitor () at /usr/lib/x86_64-linux-gnu/libmutter-2.so.0
   ffi_call_unix64 () at /usr/lib/x86_64-linux-gnu/libffi.so.6
   ffi_call () at /usr/lib/x86_64-linux-gnu/libffi.so.6
   () at /usr/lib/libgjs.so.0
   () at /usr/lib/libgjs.so.0
  Title: gnome-shell crashed with SIGSEGV in meta_window_get_monitor()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom debian-transmission dip lp lpadmin lxd plugdev 
sambashare ssh sudo vboxusers

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