In my case, applying just [3] wasn't enough. [1] https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1724557 [2] https://bugzilla.gnome.org/show_bug.cgi?id=788764 [3] https://bug788764.bugzilla-attachments.gnome.org/attachment.cgi?id=361654
I also had to apply [6] to fix [5]: [4] https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1726352 [5] https://bugzilla.gnome.org/show_bug.cgi?id=790207 (possibly?) [6] --- a/src/x11/window-x11.c +++ b/src/x11/window-x11.c @@ -1973,6 +1973,9 @@ meta_window_move_resize_request (MetaWindow *window, gboolean in_grab_op; MetaMoveResizeFlags flags; + if (!window->monitor) + return; + /* We ignore configure requests while the user is moving/resizing * the window, since these represent the app sucking and fighting * the user, most likely due to a bug in the app (e.g. pfaedit I created builds for Artful here, which appear to work: https://downloads.osso.nl/libmutter-3.26.2-ubuntu-artful/libmutter_3.26.2-0ubuntu0.1osso1/ The only added patch is: https://downloads.osso.nl/libmutter-3.26.2-ubuntu-artful/libmutter_3.26.2-0ubuntu0.1osso1/handle_resizing_when_headless.patch Cheers, Walter Doekes OSSO B.V. ** Bug watch added: GNOME Bug Tracker #790207 https://bugzilla.gnome.org/show_bug.cgi?id=790207 -- 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/1724557 Title: gnome-shell crashed with SIGSEGV in meta_logical_monitor_get_scale() Status in Mutter: Fix Released Status in gnome-shell package in Ubuntu: Fix Committed Bug description: Hi all, Originally I was reporting bug 1717170, about session crash after monitor disconnect/switch-off/input change on desktop PC and the bug was fixed according to bug tracker. But now, after gnome-shell and mutter update, the crash goes worse. Now it is not just session kick-out but complete crash. Same events can be used to reproduce the crash. This time also crash files was created. ProblemType: Crash DistroRelease: Ubuntu 17.10 Package: gnome-shell 3.26.1-0ubuntu3 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 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Wed Oct 18 13:52:07 2017 DisplayManager: gdm3 ExecutablePath: /usr/bin/gnome-shell InstallationDate: Installed on 2017-09-11 (37 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170906) ProcCmdline: /usr/bin/gnome-shell SegvAnalysis: Segfault happened at: 0x7f475acbac30 <meta_logical_monitor_get_scale>: movss 0x38(%rdi),%xmm0 PC (0x7f475acbac30) ok source "0x38(%rdi)" (0x00000038) not located in a known VMA region (needed readable region)! destination "%xmm0" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: gnome-shell StacktraceTop: meta_logical_monitor_get_scale () from /usr/lib/x86_64-linux-gnu/libmutter-1.so.0 meta_window_wayland_get_geometry_scale () from /usr/lib/x86_64-linux-gnu/libmutter-1.so.0 meta_surface_actor_wayland_get_scale () from /usr/lib/x86_64-linux-gnu/libmutter-1.so.0 meta_surface_actor_wayland_sync_state () from /usr/lib/x86_64-linux-gnu/libmutter-1.so.0 ?? () from /usr/lib/x86_64-linux-gnu/libmutter-1.so.0 Title: gnome-shell crashed with SIGSEGV in meta_logical_monitor_get_scale() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1724557/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp