@@ -12,6 +12,18 @@ finish_run() {
fatal "ERROR: There's no '/dev' on rootfs."
fi
+ # Unmount anything that was automounted by busybox via mdev-mount.sh.
+ # We're about to switch_root, and leaving anything mounted will prevent
+ # the next rootfs from modifying the block device. Ignore ROOT_DISK,
+ # if it was set by setup-live, because it'll be mounted over loopback
+ # to ROOTFS_DIR.
+ local dev
+ for dev in /run/media/*; do
+ if mountpoint -q "${dev}" && [ "${dev##*/}" != "${ROOT_DISK}" ]; then
+ umount -f "${dev}" || debug "Failed to unmount ${dev}"
+ fi
+ done
+
info "Switching root to '$ROOTFS_DIR'..."
debug "Moving /dev, /proc and /sys onto rootfs..."