Your message dated Tue, 9 Jun 2026 21:24:57 +0100
with message-id <[email protected]>
and subject line Re: Bug#1139572: Thousands of assertions:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
has caused the Debian Bug report #1139572,
regarding Thousands of assertions: clutter_input_focus_set_cursor_location:
assertion 'CLUTTER_IS_INPUT_FOCUS (focus)' failed
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
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misconfiguration somewhere. Please contact [email protected]
immediately.)
--
1139572: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1139572
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: gnome-shell
Version: 50.2-3
Severity: grave
X-Debbugs-Cc: [email protected]
I'm getting thousands to tens of thousands of ssertions *per second*
from gnome-shell, so many that it's noticeably slowing down the system:
$ journalctl -b -f | uniq -c
1214 Jun 09 13:12:01 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
16100 Jun 09 13:12:02 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
1 Jun 09 13:12:34 o systemd-journald[545]: Suppressed 122258 messages
from [email protected]
599 Jun 09 13:12:34 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
800 Jun 09 13:12:35 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
199 Jun 09 13:12:36 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
599 Jun 09 13:12:37 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
400 Jun 09 13:12:38 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
599 Jun 09 13:12:40 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
996 Jun 09 13:12:41 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
2588 Jun 09 13:12:42 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
1800 Jun 09 13:12:43 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
1805 Jun 09 13:12:44 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
2412 Jun 09 13:12:45 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
1809 Jun 09 13:12:46 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
394 Jun 09 13:12:47 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
1 Jun 09 13:13:05 o systemd-journald[545]: Suppressed 8868 messages from
[email protected]
6059 Jun 09 13:13:05 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
3838 Jun 09 13:13:06 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
This started after upgrading GNOME packages on ~2026-06-06.
-- System Information:
Debian Release: forky/sid
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: arm64
Kernel: Linux 7.0.10+deb14-amd64 (SMP w/12 CPU threads; PREEMPT)
Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages gnome-shell depends on:
ii dconf-gsettings-backend [gsettings-backend] 0.49.0-4+b1
ii gir1.2-accountsservice-1.0 23.13.9-8+b2
ii gir1.2-adw-1 1.9.0-1
ii gir1.2-atk-1.0 2.60.4-1
ii gir1.2-atspi-2.0 2.60.4-1
ii gir1.2-freedesktop 1.86.0-6+b1
ii gir1.2-gcr-4 4.4.0.1-8+b2
ii gir1.2-gdesktopenums-3.0 50.1-2
ii gir1.2-gdkpixbuf-2.0 2.44.6+dfsg-2
ii gir1.2-gdm-1.0 50.1-2
ii gir1.2-geoclue-2.0 2.8.1-1
ii gir1.2-glib-2.0 2.88.1-2
ii gir1.2-gnomebg-4.0 44.5-1
ii gir1.2-gnomebluetooth-3.0 47.2-1
ii gir1.2-gnomedesktop-4.0 44.5-1
ii gir1.2-graphene-1.0 1.10.8-5+b2
ii gir1.2-gstreamer-1.0 1.28.3-1
ii gir1.2-gtk-4.0 4.22.4+ds-1
ii gir1.2-gweather-4.0 4.4.4-5
ii gir1.2-ibus-1.0 1.5.34-1
ii gir1.2-mutter-18 50.2-2
ii gir1.2-nm-1.0 1.56.1-1
ii gir1.2-nma4-1.0 1.10.6-7+b2
ii gir1.2-pango-1.0 1.57.1-2
ii gir1.2-polkit-1.0 127-3
ii gir1.2-rsvg-2.0 2.62.1+dfsg-1
ii gir1.2-soup-3.0 3.6.6-1
ii gir1.2-upowerglib-1.0 1.91.2-1
ii gjs 1.88.0-1
ii gnome-control-center 1:50.1-1
ii gnome-settings-daemon 50.1-1
ii gnome-shell-common 50.2-3
ii gsettings-desktop-schemas 50.1-2
ii gstreamer1.0-pipewire 1.6.6-1
ii libatk-bridge2.0-0t64 2.60.4-1
ii libatk1.0-0t64 2.60.4-1
ii libc6 2.42-16
ii libcairo2 1.18.4-3+b1
ii libecal-2.0-3 3.56.2-8+b1
ii libedataserver-1.2-27t64 3.56.2-8+b1
ii libgcr-4-4 4.4.0.1-8+b2
ii libgdk-pixbuf-2.0-0 2.44.6+dfsg-2
ii libgirepository-2.0-0 2.88.1-2
ii libgjs0 1.88.0-1
ii libgles2 1.7.0-3+b1
ii libglib2.0-0t64 2.88.1-2
ii libglib2.0-bin 2.88.1-2
ii libgnome-autoar-0-0 0.4.5-5
ii libgnome-desktop-4-2t64 44.5-1
ii libgraphene-1.0-0 1.10.8-5+b2
ii libgtk-4-1 4.22.4+ds-1
ii libical3t64 3.0.20-2+b1
ii libjson-glib-1.0-0 1.10.8+ds-2+b1
ii libmutter-18-0 50.2-2
ii libnm0 1.56.1-1
ii libpango-1.0-0 1.57.1-2
ii libpipewire-0.3-0t64 1.6.6-1
ii libpolkit-agent-1-0 127-3
ii libpolkit-gobject-1-0 127-3
ii libpulse-mainloop-glib0 17.0+dfsg1-2.1+b1
ii libpulse0 17.0+dfsg1-2.1+b1
ii libsecret-1-0 0.21.7-2+b1
ii libsoup-3.0-0 3.6.6-1
hi libsystemd0 260.1-1
ii libx11-6 2:1.8.13-1
ii libxext6 2:1.3.4-1+b4
ii libxfixes3 1:6.0.0-2+b5
ii python3 3.13.9-3+b1
ii tecla 50.0-1
Versions of packages gnome-shell recommends:
ii bolt 0.9.10-1
ii evolution-data-server 3.56.2-8+b1
ii gdm3 50.1-2
ii gnome-browser-connector 42.1-7
ii gnome-menus 3.38.1-3
pn gnome-remote-desktop <none>
ii gnome-user-docs 50.2-1
ii ibus 1.5.34-1
pn iio-sensor-proxy <none>
pn power-profiles-daemon <none>
pn switcheroo-control <none>
ii unzip 6.0-29
Versions of packages gnome-shell suggests:
pn gir1.2-malcontent-0 <none>
pn gir1.2-telepathyglib-0.12 <none>
pn gir1.2-telepathylogger-0.2 <none>
pn gnome-shell-extension-prefs <none>
Versions of packages gnome-session depends on:
ii adwaita-icon-theme 50.0-1
ii fonts-adwaita 50.0+dfsg-2
ii gnome-session-bin 50.1-3
ii gnome-session-common 50.1-3
ii gnome-settings-daemon 50.1-1
ii xdg-desktop-portal-gnome 50.0-1
ii xwayland 2:24.1.12-1
Versions of packages gnome-session suggests:
ii desktop-base 14.0.0~pre3
ii fonts-cantarell 0.311-3
ii gnome-keyring 50.0-1
Versions of packages gnome-settings-daemon depends on:
ii gnome-settings-daemon-common 50.1-1
ii gsettings-desktop-schemas 50.1-2
ii libasound2t64 1.2.15.3-1+b1
ii libc6 2.42-16
ii libcanberra0 0.30-20+b1
ii libcolord2 1.4.8-3
ii libcups2t64 2.4.18-1
ii libfontconfig1 2.17.1-5
ii libgck-2-2 4.4.0.1-8+b2
ii libgcr-4-4 4.4.0.1-8+b2
ii libgeoclue-2-0 2.8.1-1
ii libgeocode-glib-2-0 3.26.4-3+b1
ii libglib2.0-0t64 2.88.1-2
ii libgnome-desktop-4-2t64 44.5-1
ii libgudev-1.0-0 238-7+b2
ii libgweather-4-0t64 4.4.4-5
ii libmm-glib0 1.24.2-2+b1
ii libnm0 1.56.1-1
ii libnotify4 0.8.8-1+b1
ii libp11-kit0 0.26.2-2
hi libpam-systemd [logind] 260.1-1
ii libpolkit-gobject-1-0 127-3
ii libpulse-mainloop-glib0 17.0+dfsg1-2.1+b1
ii libpulse0 17.0+dfsg1-2.1+b1
ii libspa-0.2-bluetooth 1.6.6-1
hi libsystemd0 260.1-1
ii libupower-glib3 1.91.2-1
ii libx11-6 2:1.8.13-1
ii libxfixes3 1:6.0.0-2+b5
ii pipewire-audio 1.6.6-1
Versions of packages gnome-settings-daemon recommends:
pn iio-sensor-proxy <none>
ii pipewire-audio 1.6.6-1
ii pkexec 127-3
pn systemd-oomd <none>
ii x11-xserver-utils 7.7+11
Versions of packages gnome-settings-daemon suggests:
pn usbguard <none>
Versions of packages gnome-shell is related to:
ii libegl-mesa0 [libegl-vendor] 26.0.8-1
ii libgl1-mesa-dri 26.0.8-1
ii libglx-mesa0 [libglx-vendor] 26.0.8-1
-- no debconf information
--- End Message ---
--- Begin Message ---
On Tue, 09 Jun 2026 at 13:16:55 -0700, Josh Triplett wrote:
I'm getting thousands to tens of thousands of ssertions *per second*
from gnome-shell
...
1214 Jun 09 13:12:01 o gnome-shell[1033]:
clutter_input_focus_set_cursor_location: assertion 'CLUTTER_IS_INPUT_FOCUS
(focus)' failed
This seems like https://bugs.debian.org/1139266 in mutter. Please update
binary packages from src:mutter to 50.2-3: according to reportbug you
still have 50.2-2.
smcv
--- End Message ---
