sys log : fonst crash

systemd[1]: Starting Set console font and keymap...
systemd[1]: Finished Set console font and keymap.
org.freedesktop.thumbnails.Thumbnailer1[1320]: Registered thumbnailer gnome-thumbnail-font --size %s %u %o
systemd[1]: Starting Set console font and keymap...
systemd[1]: Finished Set console font and keymap.
org.freedesktop.thumbnails.Thumbnailer1[1321]: Registered thumbnailer gnome-thumbnail-font --size %s %u %o
org.freedesktop.thumbnails.Thumbnailer1[13228]: Registered thumbnailer gnome-thumbnail-font --size %s %u %o
org.freedesktop.thumbnails.Thumbnailer1[14264]: Registered thumbnailer gnome-thumbnail-font --size %s %u %o
kernel: [ 4529.240408] traps: gnome-font-view[14377] trap int3 ip:7f293c4b4295 sp:7ffc59032660 error:0 in libglib-2.0.so.0.6400.6[7f293c478000+84000]
kernel: [ 4536.758740] traps: gnome-font-view[15040] trap int3 ip:7f9ac0cdc295 sp:7fffefbb9730 error:0 in libglib-2.0.so.0.6400.6[7f9ac0ca0000+84000]
kernel: [ 4545.448778] traps: gnome-font-view[15836] trap int3 ip:7fa12fcb5295 sp:7ffcf3487ee0 error:0 in libglib-2.0.so.0.6400.6[7fa12fc79000+84000]
whoopsie[1064]: [20:51:29] Parsing /var/crash/_usr_bin_gnome-font-viewer.1000.crash.
whoopsie[1064]: [20:51:29] Uploading /var/crash/_usr_bin_gnome-font-viewer.1000.crash.
systemd[1]: Starting Set console font and keymap...
systemd[1]: Finished Set console font and keymap.
org.freedesktop.thumbnails.Thumbnailer1[1327]: Registered thumbnailer gnome-thumbnail-font --size %s %u %o