Bug#1142435: gnome-control-center: UI completely freezes when clicking "Time Zone" in Date & Time settings
George Orwell
libreperson at tutamail.com
Sun Jul 19 21:20:13 BST 2026
Package: gnome-control-center
Version: 1:48.4-1~deb13u1
Severity: normal
X-Debbugs-Cc: libreperson at tutamail.com
Dear Maintainer,
The user interface becomes completely unresponsive and freezes. When running gnome-control-center in debug mode via terminal, the console is continuously spammed with an infinite loop of date/time format DEBUG messages. The UI never recovers.
Steps to Reproduce:
1. Open GNOME Settings (gnome-control-center).
2. Navigate to System > Date & Time.
3. Click the "Unlock" button and authenticate.
4. Click on the "Time Zone" row.
Observed Behavior:
The user interface becomes completely unresponsive and freezes. When running gnome-control-center in debug mode via terminal, the console is continuously spammed with an infinite loop of date/time format DEBUG messages. The UI never recovers.
Here is a snippet of the looping debug output:
GnomeDesktop[20863]: DEBUG: replaced_format: Jul 19_20:58 20:58:00.0404 GnomeDesktop[20863]: DEBUG: is_utf8: TRUE 20:58:00.0404 GnomeDesktop[20863]: DEBUG: ret: Jul 19 20:58 20:58:00.0404 GnomeDesktop[20863]: DEBUG: clock_format: 24h 20:58:00.0404 GnomeDesktop[20863]: DEBUG: show_weekday: FALSE 20:58:00.0404 GnomeDesktop[20863]: DEBUG: show_full_date: TRUE 20:58:00.0405 GnomeDesktop[20863]: DEBUG: show_seconds: FALSE 20:58:00.0405 GnomeDesktop[20863]: DEBUG: format_string: %b %-e_%R 20:58:00.0405 GnomeDesktop[20863]: DEBUG: no_enspace: %b %-e_%R 20:58:00.0405 GnomeDesktop[20863]: DEBUG: replaced_format: Jul 19_20:58 20:58:00.0405 GnomeDesktop[20863]: DEBUG: is_utf8: TRUE 20:58:00.0405 GnomeDesktop[20863]: DEBUG: ret: Jul 19 20:58 20:58:00.0405 GnomeDesktop[20863]: DEBUG: clock_format: 24h 20:58:00.0405 GnomeDesktop[20863]: DEBUG: show_weekday: FALSE 20:58:00.0405 GnomeDesktop[20863]: DEBUG: show_full_date: TRUE 20:58:00.0405 GnomeDesktop[20863]: DEBUG: show_seconds: FALSE 20:58:00.0405 GnomeDesktop[20863]: DEBUG: format_string: %b %-e_%R 20:58:00.0405 GnomeDesktop[20863]: DEBUG: no_enspace: %b %-e_%R 20:58:00.0405 GnomeDesktop[20863]: DEBUG: replaced_format: Jul 19_20:58
Expected Behavior:
The Time Zone map and selection interface should open normally without locking up the main application thread.
-- System Information:
Debian Release: 13.6
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 6.12.95+deb13-amd64 (SMP w/16 CPU threads; PREEMPT)
Locale: LANG=en_IE.UTF-8, LC_CTYPE=en_IE.UTF-8 (charmap=UTF-8), LANGUAGE=en_IE:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages gnome-control-center depends on:
ii accountsservice 23.13.9-7
ii colord 1.4.7-3
ii desktop-base 13.0.4
ii desktop-file-utils 0.28-1
ii gnome-control-center-data 1:48.4-1~deb13u1
ii gnome-desktop3-data 44.3-3
ii gnome-online-accounts 3.54.5-1~deb13u1
ii gnome-settings-daemon 48.1-1
ii gsettings-desktop-schemas 48.0-1
ii heif-gdk-pixbuf 1.19.8-1
ii heif-thumbnailer 1.19.8-1
ii libaccountsservice0 23.13.9-7
ii libadwaita-1-0 1.7.6-1~deb13u1
ii libc6 2.41-12+deb13u3
ii libcairo2 1.18.4-1+b1
ii libcolord-gtk4-1t64 0.3.1-1+b1
ii libcolord2 1.4.7-3
ii libcups2t64 2.4.10-3+deb13u2
ii libepoxy0 1.5.10-2
ii libfontconfig1 2.15.0-2.3
ii libgcr-4-4 4.4.0.1-3
ii libgdk-pixbuf-2.0-0 2.42.12+dfsg-4+deb13u1
ii libglib2.0-0t64 2.84.4-3~deb13u3
ii libgnome-bg-4-2t64 44.3-3
ii libgnome-bluetooth-ui-3.0-13 47.1-1
ii libgnome-desktop-4-2t64 44.3-3
ii libgnome-rr-4-2t64 44.3-3
ii libgnutls30t64 3.8.9-3+deb13u4
ii libgoa-1.0-0b 3.54.5-1~deb13u1
ii libgoa-backend-1.0-2 3.54.5-1~deb13u1
ii libgraphene-1.0-0 1.10.8-5
ii libgsound0t64 1.0.3-3.2+b4
ii libgtk-4-1 4.18.6+ds-2
ii libgtk-4-media-gstreamer 4.18.6+ds-2
ii libgtop-2.0-11 2.41.3-1+b2
ii libgudev-1.0-0 238-6
ii libibus-1.0-5 1.5.32-2
ii libjson-glib-1.0-0 1.10.6+ds-2
ii libjxl-gdk-pixbuf 0.11.2-0.1~deb13u2
ii libkrb5-3 1.21.3-5+deb13u1
ii libmalcontent-0-0 0.13.0-2+deb13u1
ii libmm-glib0 1.24.0-1+deb13u1
ii libnm0 1.52.1-1
ii libnma-gtk4-0 1.10.6-5
ii libpango-1.0-0 1.56.3-1
ii libpolkit-gobject-1-0 126-2
ii libpulse-mainloop-glib0 17.0+dfsg1-2+b1
ii libpulse0 17.0+dfsg1-2+b1
ii libpwquality1 1.4.5-5
ii libsecret-1-0 0.21.7-1
ii libsmbclient0 2:4.22.10+dfsg-0+deb13u1
ii libsoup-3.0-0 3.6.5-3
ii libudisks2-0 2.10.1-12.1+deb13u1
ii libupower-glib3 1.90.9-1
ii libwacom9 2.14.0-1
ii libwayland-client0 1.23.1-3
ii libx11-6 2:1.8.12-1
ii libxi6 2:1.8.2-1
ii libxml2 2.12.7+dfsg+really2.9.14-2.1+deb13u3
ii mutter-common 48.7-0+deb13u1
ii tecla 48.0.2-1
ii webp-pixbuf-loader 0.2.7-1+b1
Versions of packages gnome-control-center recommends:
ii cracklib-runtime 2.9.6-5.2+b1
ii cups-pk-helper 0.2.6-2.1
ii fwupd 2.0.20-1~deb13u1
ii gnome-bluetooth-sendto 47.1-1
ii gnome-remote-desktop 48.1-4
ii gnome-user-docs 48.2-1
ii gnome-user-share 48.0-1
ii iso-codes 4.18.0-1
ii libcanberra-pulse 0.30-18
ii libnss-myhostname 257.13-1~deb13u1
ii libspa-0.2-bluetooth 1.4.2-1
ii malcontent-gui 0.13.0-2+deb13u1
ii mobile-broadband-provider-info 20250613-2
ii nm-connection-editor 1.36.0-3+b1
ii polkitd 126-2
ii power-profiles-daemon 0.30-1.1
ii realmd 0.17.1-3+b2
ii rygel 0.44.2-1
ii rygel-tracker 0.44.2-1
ii system-config-printer-common 1.5.18-4
Versions of packages gnome-control-center suggests:
ii gnome-software 48.3-2
ii gstreamer1.0-plugins-good 1.26.2-1+deb13u2
ii x11-xserver-utils 7.7+11
-- no debconf information
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