This is happening to me a few times every day lately. I do not have any icons on the desktop.
#0 __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50 #1 0x0000556612c6552a in dump_gjs_stack_on_signal_handler (signo=5) at ../src/main.c:421 #2 0x00007f17472b6210 in <signal handler called> () at /lib/x86_64-linux-gnu/libc.so.6 #3 _g_log_abort (breakpoint=1) at ../../../glib/gmessages.c:554 #4 0x00007f17480f8159 in g_log_default_handler (log_domain=<optimized out>, log_level=<optimized out>, message=<optimized out>, unused_data=<optimized out>) at ../../../glib/gmessages.c:3123 #5 0x0000556612c655ee in default_log_handler (log_domain=0x7f1747836e20 "Gjs", log_level=6, message=0x55661bb3aca0 "toggling down object GInotifyFileMonitor that's already queued to toggle up\n", data=0x0) at ../src/main.c:363 #6 0x00007f17480f839c in g_logv (log_domain=0x7f1747836e20 "Gjs", log_level=G_LOG_LEVEL_ERROR, format=<optimized out>, args=args@entry=0x7ffc2bb6e820) at ../../../glib/gmessages.c:1350 #7 0x00007f17480f8583 in g_log (log_domain=log_domain@entry=0x7f1747836e20 "Gjs", log_level=log_level@entry=G_LOG_LEVEL_ERROR, format=format@entry=0x7f174783c308 "toggling down object %s that's already queued to toggle %s\n") at ../../../glib/gmessages.c:1415 #8 0x00007f17477e40a7 in wrapped_gobj_toggle_notify(void*, GObject*, gboolean) (gobj=0x556615cd10b0 [GInotifyFileMonitor], is_last_ref=<optimized out>) at ../gi/object.cpp:1274 #9 0x00007f17477f7058 in ToggleQueue::handle_toggle(void (*)(_GObject*, ToggleQueue::Direction)) (this=0x7f17478a14a0 <ToggleQueue::get_default()::the_singleton>, handler=0x7f17477e3f20 <toggle_handler(GObject*, ToggleQueue::Direction)>) at ../gi/toggle.cpp:125 #10 0x00007f17477f70df in ToggleQueue::idle_handle_toggle(void*) (data=0x7f17478a14a0 <ToggleQueue::get_default()::the_singleton>) at ../gi/toggle.cpp:69 #11 0x00007f17480f0e8e in g_main_dispatch (context=0x5566149c1350) at ../../../glib/gmain.c:3309 #12 g_main_context_dispatch (context=context@entry=0x5566149c1350) at ../../../glib/gmain.c:3974 #13 0x00007f17480f1240 in g_main_context_iterate (context=0x5566149c1350, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047 #14 0x00007f17480f1533 in g_main_loop_run (loop=0x556614e05dc0) at ../../../glib/gmain.c:4241 #15 0x00007f174751aaf0 in meta_run () at /lib/x86_64-linux-gnu/libmutter-6.so.0 #16 0x0000556612c64d7d in main (argc=<optimized out>, argv=<optimized out>) at ../src/main.c:634 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gjs in Ubuntu. https://bugs.launchpad.net/bugs/1882410 Title: toggling down object GInotifyFileMonitor that's already queued to toggle up ... GNOME Shell crashed with signal 5 Status in gjs: Unknown Status in gjs package in Ubuntu: Confirmed Status in gnome-shell package in Ubuntu: Confirmed Bug description: A couple of times a day, I'm noticing all of the window dressing suddenly disappear from all of my open applications, then a second or two later returning. Opening up /var/log/syslog I see: Jun 6 20:45:53 eva gnome-shell[335243]: Window manager warning: Invalid WM_TRANSIENT_FOR window 0x4a00015 specified for 0x4a00518. Jun 6 20:46:40 eva gnome-shell[335243]: Window manager warning: Invalid WM_TRANSIENT_FOR window 0x4a00015 specified for 0x4a0051f. Jun 6 20:47:40 eva gnome-shell[335243]: toggling down object GInotifyFileMonitor that's already queued to toggle down Jun 6 20:47:40 eva gnome-shell[335243]: GNOME Shell crashed with signal 5 Jun 6 20:47:40 eva gnome-shell[335243]: == Stack trace for context 0x557e3a0446a0 == Jun 6 20:47:40 eva systemd[25554]: gnome-shell-x11.service: Main process exited, code=dumped, status=5/TRAP Jun 6 20:47:40 eva systemd[25554]: gnome-shell-x11.service: Failed with result 'core-dump'. Jun 6 20:47:40 eva systemd[25554]: gnome-shell-x11.service: Scheduled restart job, restart counter is at 3. Jun 6 20:47:40 eva systemd[25554]: Stopped target GNOME X11 Session (session: ubuntu). Jun 6 20:47:40 eva systemd[25554]: Stopping GNOME X11 Session (session: ubuntu). Jun 6 20:47:40 eva systemd[25554]: Stopped target GNOME X11 Session. Jun 6 20:47:40 eva systemd[25554]: Stopping GNOME X11 Session. Jun 6 20:47:40 eva systemd[25554]: Stopped target GNOME Shell on X11. Jun 6 20:47:40 eva systemd[25554]: Stopping GNOME Shell on X11. Jun 6 20:47:40 eva systemd[25554]: Stopped GNOME Shell on X11. Jun 6 20:47:40 eva systemd[25554]: Starting GNOME Shell on X11... Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): EDID vendor "ACI", prod id 8434 Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Using hsync ranges from config file Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Using vrefresh ranges from config file Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Printing DDC gathered Modelines: Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "1600x900"x0.0 108.00 1600 1624 1704 1800 900 901 904 1000 +hsync +vsync (60.0 kHz eP) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "800x600"x0.0 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "800x600"x0.0 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "640x480"x0.0 31.50 640 656 720 840 480 481 484 500 -hsync -vsync (37.5 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "640x480"x0.0 31.50 640 664 704 832 480 489 492 520 -hsync -vsync (37.9 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "640x480"x0.0 30.24 640 704 768 864 480 483 486 525 -hsync -vsync (35.0 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "640x480"x0.0 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "720x400"x0.0 28.32 720 738 846 900 400 412 414 449 -hsync +vsync (31.5 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "1024x768"x0.0 78.75 1024 1040 1136 1312 768 769 772 800 +hsync +vsync (60.0 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "1024x768"x0.0 75.00 1024 1048 1184 1328 768 771 777 806 -hsync -vsync (56.5 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "1024x768"x0.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "832x624"x0.0 57.28 832 864 928 1152 624 625 628 667 -hsync -vsync (49.7 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "800x600"x0.0 49.50 800 816 896 1056 600 601 604 625 +hsync +vsync (46.9 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "800x600"x0.0 50.00 800 856 976 1040 600 637 643 666 +hsync +vsync (48.1 kHz e) Jun 6 20:47:40 eva /usr/lib/gdm3/gdm-x-session[25623]: (II) modeset(0): Modeline "1152x864"x0.0 108.00 1152 1216 1344 1600 864 865 868 900 +hsync +vsync (67.5 kHz e) Jun 6 20:47:40 eva gsd-media-keys[26011]: Failed to grab accelerators: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such interface “org.gnome.Shell” on object at path /org/gnome/Shell Jun 6 20:47:41 eva gnome-shell[338452]: Unset XDG_SESSION_ID, getCurrentSessionProxy() called outside a user session. Asking logind directly. Jun 6 20:47:41 eva gnome-shell[338452]: Will monitor session 764 Jun 6 20:47:41 eva gnome-shell[338477]: current session already has an ibus-daemon. Jun 6 20:47:41 eva gsd-media-keys[26011]: Failed to grab accelerators: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such interface “org.gnome.Shell” on object at path /org/gnome/Shell Jun 6 20:47:41 eva dbus-daemon[1068]: [system] Activating via systemd: service name='org.freedesktop.GeoClue2' unit='geoclue.service' requested by ':1.21125' (uid=1001 pid=338452 comm="/usr/bin/gnome-shell " label="unconfined") Jun 6 20:47:41 eva systemd[1]: Starting Location Lookup Service... Jun 6 20:47:41 eva gnome-shell[338452]: Telepathy is not available, chat integration will be disabled. Jun 6 20:47:41 eva dbus-daemon[1068]: [system] Successfully activated service 'org.freedesktop.GeoClue2' Jun 6 20:47:41 eva systemd[1]: Started Location Lookup Service. Jun 6 20:47:41 eva dbus-daemon[1068]: [system] Activating via systemd: service name='org.freedesktop.PackageKit' unit='packagekit.service' requested by ':1.21125' (uid=1001 pid=338452 comm="/usr/bin/gnome-shell " label="unconfined") Jun 6 20:47:41 eva systemd[1]: Starting PackageKit Daemon... Jun 6 20:47:41 eva PackageKit: daemon start Jun 6 20:47:41 eva dbus-daemon[1068]: [system] Successfully activated service 'org.freedesktop.PackageKit' Jun 6 20:47:41 eva systemd[1]: Started PackageKit Daemon. Jun 6 20:47:42 eva dbus-daemon[25576]: [session uid=1001 pid=25576] Activating service name='org.freedesktop.FileManager1' requested by ':1.15623' (uid=1001 pid=338452 comm="/usr/bin/gnome-shell " label="unconfined") Jun 6 20:47:42 eva dbus-daemon[25576]: [session uid=1001 pid=25576] Activating service name='org.gnome.Shell.Notifications' requested by ':1.15623' (uid=1001 pid=338452 comm="/usr/bin/gnome-shell " label="unconfined") Jun 6 20:47:42 eva dbus-daemon[25576]: [session uid=1001 pid=25576] Successfully activated service 'org.gnome.Shell.Notifications' Jun 6 20:47:42 eva dbus-daemon[25576]: [session uid=1001 pid=25576] Successfully activated service 'org.freedesktop.FileManager1' Jun 6 20:47:42 eva systemd[25554]: Started GNOME Shell on X11. Jun 6 20:47:42 eva systemd[25554]: Reached target GNOME Shell on X11. Jun 6 20:47:42 eva systemd[25554]: Reached target GNOME X11 Session. Jun 6 20:47:42 eva systemd[25554]: Reached target GNOME X11 Session (session: ubuntu). Jun 6 20:47:42 eva NetworkManager[1069]: <info> [1591498062.4557] agent-manager: agent[3d345b5a383c546a,:1.21125/org.gnome.Shell.NetworkAgent/1001]: agent registered Jun 6 20:47:42 eva gnome-shell[338452]: Error looking up permission: GDBus.Error:org.freedesktop.portal.Error.NotFound: No entry for geolocation Jun 6 20:47:42 eva gsd-media-keys[26011]: Failed to grab accelerator for keybinding settings:playback-repeat Jun 6 20:47:42 eva gsd-media-keys[26011]: Failed to grab accelerator for keybinding settings:rfkill Jun 6 20:47:42 eva gsd-media-keys[26011]: Failed to grab accelerator for keybinding settings:playback-random Jun 6 20:47:42 eva gsd-media-keys[26011]: Failed to grab accelerator for keybinding settings:hibernate Jun 6 20:47:43 eva gnome-shell[338452]: Window manager warning: Overwriting existing binding of keysym 38 with keysym 38 (keycode 11). Jun 6 20:47:43 eva gnome-shell[338452]: Window manager warning: Overwriting existing binding of keysym 39 with keysym 39 (keycode 12). Jun 6 20:47:43 eva gnome-shell[338452]: Window manager warning: Overwriting existing binding of keysym 31 with keysym 31 (keycode a). Jun 6 20:47:43 eva gnome-shell[338452]: Window manager warning: Overwriting existing binding of keysym 32 with keysym 32 (keycode b). Jun 6 20:47:43 eva gnome-shell[338452]: Window manager warning: Overwriting existing binding of keysym 33 with keysym 33 (keycode c). Jun 6 20:47:43 eva gnome-shell[338452]: Window manager warning: Overwriting existing binding of keysym 34 with keysym 34 (keycode d). Jun 6 20:47:43 eva gnome-shell[338452]: Window manager warning: Overwriting existing binding of keysym 35 with keysym 35 (keycode e). Jun 6 20:47:43 eva gnome-shell[338452]: Window manager warning: Overwriting existing binding of keysym 36 with keysym 36 (keycode f). Jun 6 20:47:43 eva gnome-shell[338452]: Window manager warning: Overwriting existing binding of keysym 37 with keysym 37 (keycode 10). Jun 6 20:47:44 eva gnome-shell[338452]: GNOME Shell started at Sat Jun 06 2020 20:47:41 GMT-0600 (CST) Jun 6 20:47:44 eva gnome-shell[338452]: Registering session with GDM Seems to recover fine afterwards, but it happens again further down the line. Seems like something mnemosyne is doing during the transition after I hit a number is triggering this...but only one out of every couple hundred(thousand?) cards. mnemosyne: Installed: 2.7.1+ds-1 Candidate: 2.7.1+ds-1 Version table: *** 2.7.1+ds-1 500 500 http://mirrors.layeronline.com/ubuntu focal/universe amd64 Packages 500 http://mirrors.layeronline.com/ubuntu focal/universe i386 Packages 100 /var/lib/dpkg/status themusicgod1@eva1:~$ apt-cache policy gnome-shell gnome-shell: Installed: 3.36.1-5ubuntu1 Candidate: 3.36.1-5ubuntu1 Version table: *** 3.36.1-5ubuntu1 500 500 http://mirrors.layeronline.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status themusicgod1@eva1:~$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=20.04 DISTRIB_CODENAME=focal DISTRIB_DESCRIPTION="Ubuntu 20.04 LTS" ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: gnome-shell 3.36.1-5ubuntu1 ProcVersionSignature: Ubuntu 5.4.0-26.30-lowlatency 5.4.30 Uname: Linux 5.4.0-26-lowlatency x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sat Jun 6 20:52:49 2020 DisplayManager: gdm3 InstallationDate: Installed on 2017-04-18 (1145 days ago) InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) RelatedPackageVersions: mutter-common 3.36.1-3ubuntu3 SourcePackage: gnome-shell UpgradeStatus: Upgraded to focal on 2020-04-25 (42 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/gjs/+bug/1882410/+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