Public bug reported: Surprisingly, when I launched meld as a difftool and later suspended it my session got frozen: my mouse was moving but clicks and keyboard presses did not have any effect, there was an empty rectangle on my screen on top of one of the windows. The only thing I could do was to switch to a different VT and take a look at what's going on.
Actions: git difftool master tests/basic_deployment.py This message is displayed because 'diff.tool' is not configured. See 'git difftool --tool-help' or 'git help config' for more details. 'git difftool' will now attempt to use one of the following tools: meld opendiff kdiff3 tkdiff xxdiff kompare gvimdiff diffuse diffmerge ecmerge p4merge araxis bc codecompare emerge vimdiff Viewing (1/1): 'tests/basic_deployment.py' Launch 'meld' [Y/n]? y ^Z [1] + 16839 suspended git difftool master tests/basic_deployment.py lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 17.04 Release: 17.04 Codename: zesty dpkg -l 'gnome-session' Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-=====================================================-===============================-===============================-================================================================================================================ ii gnome-session 3.24.0-0ubuntu1 amd64 GNOME Session Manager - GNOME 3 session ➜ ~ dpkg -l 'libgtk*' Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-=====================================================-===============================-===============================-================================================================================================================ ii libgtk-3-0:amd64 3.22.11-0ubuntu3 amd64 GTK+ graphical user interface library ii libgtk-3-bin 3.22.11-0ubuntu3 amd64 programs for the GTK+ graphical user interface library ii libgtk-3-common 3.22.11-0ubuntu3 all common files for the GTK+ graphical user interface library un libgtk-vnc-1.0-0 <none> <none> (no description available) ii libgtk-vnc-2.0-0:amd64 0.6.0-3 amd64 VNC viewer widget for GTK+3 (runtime libraries) ii libgtk2-perl 2:1.2499-1 amd64 Perl interface to the 2.x series of the Gimp Toolkit library un libgtk2-perl-doc <none> <none> (no description available) ii libgtk2.0-0:amd64 2.24.31-1ubuntu1.1 amd64 GTK+ graphical user interface library ii libgtk2.0-bin 2.24.31-1ubuntu1.1 amd64 programs for the GTK+ graphical user interface library ii libgtk2.0-common 2.24.31-1ubuntu1.1 all common files for the GTK+ graphical user interface library ii libgtkglext1:amd64 1.2.0-6 amd64 OpenGL Extension to GTK+ (shared libraries) un libgtkmm-2.4-1c2a <none> <none> (no description available) ii libgtkmm-2.4-1v5:amd64 1:2.24.5-1 amd64 C++ wrappers for GTK+ (shared libraries) un libgtkmm-3.0-1 <none> <none> (no description available) ii libgtkmm-3.0-1v5:amd64 3.22.0-1 amd64 C++ wrappers for GTK+ (shared libraries) ii libgtksourceview-3.0-1:amd64 3.24.0-0ubuntu1 amd64 shared libraries for the GTK+ syntax highlighting widget ii libgtksourceview-3.0-common 3.24.0-0ubuntu1 all common files for the GTK+ syntax highlighting widget un libgtkspell-3-0 <none> <none> (no description available) ii libgtkspell0 2.0.16-1.1ubuntu1 amd64 a spell-checking addon for GTK's TextView widget ii libgtkspell3-3-0:amd64 3.0.9-1 amd64 spell-checking addon for GTK+'s TextView widget ➜ ~ dpkg -l 'gnome-terminal*' Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-=====================================================-===============================-===============================-================================================================================================================ ii gnome-terminal 3.24.2-0ubuntu3~ubuntu17.04.1 amd64 GNOME terminal emulator application ii gnome-terminal-data 3.24.2-0ubuntu3~ubuntu17.04.1 all Data files for the GNOME terminal emulator ➜ ~ dpkg -l 'meld*' Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-=====================================================-===============================-===============================-================================================================================================================ ii meld 3.16.4-1 all graphical tool to diff and merge files The error log was full of gtk_widget_get_scale_factor assertions. Thankfully, I had a pid to kill - after `sudo kill 18653` I was able to get back to my session and continue on working (albeit I lost all my terminal tabs). Similar assertion report: https://mail.gnome.org/archives/evolution-list/2017-January/msg00047.html journalctl авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed авг 11 17:14:16 blade nautilus[18653]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed ** Affects: gtk Importance: Undecided Status: New ** Affects: gnome-terminal (Ubuntu) Importance: Undecided Status: New ** Also affects: gtk Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-terminal in Ubuntu. https://bugs.launchpad.net/bugs/1712520 Title: [17.04][gnome] screen hanged after meld launched via terminal was put to sleep by C-z: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed To manage notifications about this bug go to: https://bugs.launchpad.net/gtk/+bug/1712520/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs