Only skip the "ldconfig -r" step, which needs root privileges

Since we now have ldconfig which can run during the boot, make sure we
unconditionally copy all the other configuration files (ld.so.conf and
relatives), while only skipping the "cache" step.

gen_initramfs.sh

@@ -690,6 +690,12 @@ append_ld_so_conf() {
     # but we need to generate a valid ld.so.conf. So we extract the
     # current CPIO archive, run ldconfig -r against it and append the
     # last bits.
+    #
+    # We only do this if we are "root", because "ldconfig -r" requires
+    # root privileges to chroot. If we are not root we don't generate the
+    # ld.so.cache here, but expect that ldconfig would regenerate it when the
+    # machine boots.
+    if [[ $(id -u) == 0 && -z ${FAKED_MODE:-} ]]; then
         local tmp_dir_ext="${tmp_dir}/extracted"
         mkdir -p "${tmp_dir_ext}"
         mkdir -p "${tmp_dir}/etc"
@@ -709,6 +715,8 @@ append_ld_so_conf() {
                 || gen_die "compressing ld.so.cache cpio"
         cd "$(dirname "${tmp_dir}")"
         rm -rf "${tmp_dir}"
+    fi
+
 }
 
 print_list()
@@ -1001,10 +1009,8 @@ create_initramfs() {
         append_data 'overlay'
     fi
 
-    if [[ $(id -u) == 0 && -z ${FAKED_MODE:-} ]]; then
     # keep this at the very end, generates /etc/ld.so.conf* and cache
     append_data 'ld_so_conf'
-    fi
 
     # Finalize cpio by removing duplicate files
     print_info 1 "        >> Finalizing cpio..."