Description of problem: Always when lightdm is the current display manager. Version-Release number of selected component: lightdm-gtk-2.0.5-2.fc29 Additional info: reporter: libreport-2.9.7 backtrace_rating: 4 cmdline: /usr/sbin/lightdm-gtk-greeter crash_function: g_thread_new executable: /usr/sbin/lightdm-gtk-greeter journald_cursor: s=ea4904b589c34097bac418c008e53d6e;i=2afe9;b=5d77c221e6384187b1c0a71f89bfdb2f;m=5d7afbb;t=57e241af364e3;x=ef13483eee534518 kernel: 4.20.0-1.fc30.x86_64 rootdir: / runlevel: 3 5 type: CCpp uid: 996
Created attachment 1517328 [details] File: backtrace
Created attachment 1517329 [details] File: cgroup
Created attachment 1517330 [details] File: core_backtrace
Created attachment 1517331 [details] File: cpuinfo
Created attachment 1517332 [details] File: dso_list
Created attachment 1517333 [details] File: environ
Created attachment 1517334 [details] File: limits
Created attachment 1517335 [details] File: maps
Created attachment 1517336 [details] File: mountinfo
Created attachment 1517337 [details] File: open_fds
Created attachment 1517338 [details] File: proc_pid_status
Similar problem has been detected: starting lightdm from systemd triggers this crash repeatedly, but starting it from a console does not reporter: libreport-2.9.7 backtrace_rating: 4 cmdline: /usr/sbin/lightdm-gtk-greeter crash_function: g_thread_new executable: /usr/sbin/lightdm-gtk-greeter journald_cursor: s=93f389c8a3f74d1f8041cde9ea82b5a5;i=985;b=33cdc6e8786748f39bc32f9be624d0e5;m=2927b1d;t=57e7ea9e1de34;x=a459c7fa88633bbf kernel: 4.21.0-0.rc0.git1.1.fc30.x86_64 package: lightdm-gtk-2.0.5-2.fc29 reason: lightdm-gtk-greeter killed by SIGTRAP rootdir: / runlevel: unknown type: CCpp uid: 993
Also so bug 1661952
*** This bug has been marked as a duplicate of bug 1661952 ***