For what it's worth, when I first tried to use the font app by launching through the launcher, I consistently got freezes described as above. Launched it directly by invoking it on command line, and then haven't had a problem again since then, either via the launcher or command line.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-font-viewer in Ubuntu. https://bugs.launchpad.net/bugs/1845362 Title: gnome-font-viewer crashed with signal 5 in _XEventsQueued() Status in gnome-font-viewer package in Ubuntu: Confirmed Bug description: Reproducible crash (tested on Ubuntu and Xubuntu) or freezing of application during ISO testing of a live-session. Application will crash if there is an attempt to close it or scroll through fonts. On one occasion my laptop was rendered unusable when Firefox was launched while trying to report the crash to Launchpad. After the bug report has been sent gnome-font-viewer will freeze when automatically restarted. No fonts are displayed. ProblemType: Crash DistroRelease: Ubuntu 19.10 Package: gnome-font-viewer 3.34.0-1 ProcVersionSignature: Ubuntu 5.3.0-10.11-generic 5.3.0-rc8 Uname: Linux 5.3.0-10-generic x86_64 ApportVersion: 2.20.11-0ubuntu7 Architecture: amd64 CasperVersion: 1.416 CurrentDesktop: XFCE Date: Wed Sep 25 17:34:17 2019 ExecutablePath: /usr/bin/gnome-font-viewer LiveMediaBuild: Xubuntu 19.10 "Eoan Ermine" - Beta amd64 (20190925) ProcCmdline: gnome-font-viewer ProcEnviron: LANGUAGE=en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=C.UTF-8 SHELL=/bin/bash Signal: 5 SourcePackage: gnome-font-viewer StacktraceTop: ?? () from /lib/x86_64-linux-gnu/libX11.so.6 ?? () from /lib/x86_64-linux-gnu/libX11.so.6 _XEventsQueued () from /lib/x86_64-linux-gnu/libX11.so.6 XPending () from /lib/x86_64-linux-gnu/libX11.so.6 ?? () from /lib/x86_64-linux-gnu/libgdk-3.so.0 Title: gnome-font-viewer crashed with signal 5 in _XEventsQueued() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo separator: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-font-viewer/+bug/1845362/+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
