seg fault seemingly around 15155 remotes = ostree_repo_remote_list (repo, NULL);
I created /etc/flatpak/remotes.d
issue $ flatpak repair as unpriveleged user
gdbstrace
If you look in the strace output, you see there's an error printed about permissions. Running under sudo may fix the problem here. It would be good to report this upstream?
seg fault seemingly around
15155 remotes = ostree_repo_remote_list (repo, NULL);
I created/etc/flatpak/remotes.d
issue$ flatpak repair
as unpriveleged user gdb strace