As a workaround I created a file /etc/initramfs-tools/hooks/libgcc: . /usr/share/initramfs-tools/hook-functions copy_file library /lib/x86_64-linux-gnu/libgcc_s.so.1 /lib/x86_64-linux-gnu/libgcc_s.so.1
With this hook the lib is copied an I am able to provide a password at login.