I've a proposed fix at https://gitlab.gnome.org/3v1n0/mutter/commit/993a40c9a4e161e40faa0467f98eadd1ac50dd22
I'm discussing with upstream about it. ** Changed in: gnome-shell (Ubuntu) Assignee: (unassigned) => Marco Trevisan (Treviño) (3v1n0) -- 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/1422253 Title: gnome-shell crashed with SIGABRT in g_assertion_message("assertion failed: (window->display->focus_window != window)") from g_assertion_message_expr() from meta_window_unmanage() from handle_other_xevent() Status in gnome-shell package in Ubuntu: Confirmed Bug description: https://errors.ubuntu.com/problem/868da6d40640c1199f496b7af7e37e54871ed8d7 https://errors.ubuntu.com/problem/9b0e145ca11443bc44b35a2050317dd51f5ab5c5 --- Was running 3 programs at time of crash, PROGRAM 1. Nautilus with no tabs open, PROGRAM 2. Firefox v.34.0 with 3 tabs open (1. https://twitter.com/ - 2. http://www.scons.org/wiki/FrequentlyAskedQuestions#What_is_SCons.3F - PROGRAM 3. http://scons.org/download.php) Synaptic Package Manager ver 0.81.3 installing Scons & Scons-doc - crash happened while synaptic was in process of installing programs (downloads were complete & actual install was in progress) ProblemType: Crash DistroRelease: Ubuntu 15.04 Package: gnome-shell 3.14.3-0ubuntu2 ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5 Uname: Linux 3.18.0-13-generic x86_64 NonfreeKernelModules: openafs ApportVersion: 2.16.1-0ubuntu2 Architecture: amd64 CrashCounter: 1 CurrentDesktop: GNOME Date: Mon Feb 16 01:20:05 2015 DisplayManager: gdm ExecutablePath: /usr/bin/gnome-shell GsettingsChanges: b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'" b'org.gnome.desktop.interface' b'clock-format' b"'12h'" b'org.gnome.desktop.interface' b'clock-show-date' b'true' InstallationDate: Installed on 2015-01-26 (21 days ago) InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Alpha amd64 (20150120.1) ProcCmdline: /usr/bin/gnome-shell ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash Signal: 6 SourcePackage: gnome-shell StacktraceTop: g_assertion_message () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 g_assertion_message_expr () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 meta_window_unmanage () from /usr/lib/libmutter.so.0 ?? () from /usr/lib/libmutter.so.0 ?? () from /usr/lib/libmutter.so.0 Title: gnome-shell crashed with SIGABRT in g_assertion_message() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1422253/+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