1 files changed, 9 insertions, 0 deletions

diff --git a/meta/recipes-core/systemd/systemd-systemctl/systemctl b/meta/recipes-core/systemd/systemd-systemctl/systemctl
index d7d4e0d29a..7fdaf8ce03 100755
--- a/meta/recipes-core/systemd/systemd-systemctl/systemctl
+++ b/meta/recipes-core/systemd/systemd-systemctl/systemctl
@@ -241,6 +241,15 @@ def preset_all(root):
         if state == "enable" or state is None:
             enable(root, service, location, services)
 
+    # If we populate the systemd links we also create /etc/machine-id, which
+    # allows systemd to boot with the filesystem read-only before generating
+    # a real value and then committing it back.
+    #
+    # For the stateless configuration, where /etc is generated at runtime
+    # (for example on a tmpfs), this script shouldn't run at all and we
+    # allow systemd to completely populate /etc.
+    (root / SYSCONFDIR / "machine-id").touch()
+
 
 def mask(root, *services):
     systemdir = root / SYSCONFDIR / "systemd" / "system"