Package: systemd Version: 232-25+deb9u1 I found with debsums invalid packages(not systemd) so I created file /forcefsck to perform check. It didn't work. I found in syslog information that fsck was invoked with wrong parameters on boot.
Nov 28 23:05:45 ppiotr systemd-fsck[122]: fsck.f2fs: invalid option -- 'y' Nov 28 23:05:45 ppiotr systemd-fsck[122]: #011Error: Unknown option ? Nov 28 23:05:45 ppiotr systemd-fsck[122]: Usage: fsck.f2fs [options] device Nov 28 23:05:45 ppiotr systemd-fsck[122]: [options]: Nov 28 23:05:45 ppiotr systemd-fsck[122]: -a check/fix potential corruption, reported by f2fs Nov 28 23:05:45 ppiotr systemd-fsck[122]: -d debug level [default:0] Nov 28 23:05:45 ppiotr systemd-fsck[122]: -f check/fix entire partition Nov 28 23:05:45 ppiotr systemd-fsck[122]: -p preen mode [default:0 the same as -a [0|1]] Nov 28 23:05:45 ppiotr systemd-fsck[122]: -t show directory tree [-d -1] My system is: Distributor ID: Raspbian Description: Raspbian GNU/Linux 9.1 (stretch) Release: 9.1 Codename: stretch