(In reply to Olli Tuominen from comment #46) > Once I unmounted that /oldroot I was able to execute "dmsetup -v > --noudevsync remove system-root" command > > It seems to be somekind of snapshot of the root fs? Huh ? you were able to umount /oldroot yourself without any error ? That would mean that dracut skips the unmount command entirely for some reasons in your case.