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    <div class="moz-cite-prefix">Hi,<br>
      <br>
      I tried with another kernel from backports:<br>
      <p class="MsoNormal" style="tab-stops:117.0pt"><span
          style="font-family:"Calibri","sans-serif""><font
            face="Courier New, Courier, monospace">root@entry115:~#
            uname -a <br>
            Linux entry115 4.18.0-0.bpo.1-686-pae #1 SMP Debian
            4.18.6-1~bpo9+1 (2018-09-13) i686 GNU/Linux</font></span></p>
      The same issue was reproduced with kernel 4.18.0-0.bpo.1-686-pae.
      Here is the trace:<br>
      <span
        style="font-family:"Calibri","sans-serif""> </span><br>
      <span
        style="font-family:"Calibri","sans-serif""><font
          face="Courier New, Courier, monospace">root@entry115:~# reboot
          <br>
          [   24.992363] systemd[1]: Stopped target Sound Card.<br>
          [   24.998264] systemd[1]: <a
            class="moz-txt-link-abbreviated"
            href="mailto:user-runtime-dir@0.service">user-runtime-dir@0.service</a>:
          Unit not needed anymore. Stopping.<br>
          [   25.006518] systemd[1]: Stopping User Manager for UID 0...<br>
          [   25.012668] systemd[1]: Stopped target Timers.<br>
          [   25.017780] systemd[1]: Stopped Daily Cleanup of Temporary
          Directories.<br>
          [   25.025207] systemd[1]: Stopping Session 1 of user root.<br>
          [   25.030887] systemd[1]: Stopped Daily apt upgrade and clean
          activities.<br>
          [   25.038321] systemd[1]: Stopped Daily apt download
          activities.<br>
          [   25.044844] systemd[1]: Stopped target System Time
          Synchronized.<br>
          [   25.051519] systemd[1]: Stopped target Graphical Interface.<br>
          [   25.057735] systemd[1]: Stopped target Multi-User System.<br>
          [   25.063894] systemd[1]: Stopping OpenBSD Secure Shell
          server...<br>
          [   25.070520] systemd[1]: Stopping irqbalance daemon...<br>
          [   25.076251] systemd[1]: Stopping Regular background program
          processing daemon...<br>
          [   25.085986] systemd-logind[408]: Failed to abandon session
          scope, ignoring: Connection reset by peer<br>
          [   25.086184] systemd[1]: Stopping D-Bus System Message
          Bus...<br>
          [   25.095311] systemd-logind[408]: Session 1 logged out.
          Waiting for processes to exit.<br>
          [   25.097157] systemd[451]: Stopped target Default.<br>
          [   25.097194] systemd[451]: Stopped target Basic System.<br>
          [   25.097228] systemd[451]: Stopped target Sockets.<br>
          [   25.097399] systemd[451]: Closed GnuPG cryptographic agent
          (ssh-agent emulation).<br>
          [   25.097545] systemd[451]: Closed GnuPG cryptographic agent
          and passphrase cache.<br>
          [   25.097692] systemd[451]: Closed GnuPG cryptographic agent
          (access for web browsers).<br>
          [   25.097727] systemd[451]: Stopped target Paths.<br>
          [   25.097876] systemd[451]: Closed GnuPG cryptographic agent
          and passphrase cache (restricted).<br>
          [   25.097911] systemd[451]: Stopped target Timers.<br>
          [   25.097969] systemd[451]: Reached target Shutdown.<br>
          [   25.170019] systemd[451]: Starting Exit the Session...<br>
          [   25.185639] systemd[1]: Stopped target Login Prompts.<br>
          [   25.201585] systemd[1]: Stopping Getty on tty1...<br>
          [   25.217008] systemd[1]: Stopping Serial Getty on ttyS0...<br>
          [   25.233029] systemd[1]: Stopping System Logging Service...<br>
          [   25.250194] systemd[1]: Stopped Regular background program
          processing daemon.<br>
          [   25.269131] systemd[1]: Stopped D-Bus System Message Bus.<br>
          [   25.288921] systemd[1]: Stopped System Logging Service.<br>
          [   25.317982] systemd[1]: Stopped irqbalance daemon.<br>
          [   25.402687] systemd[1]: Stopped Getty on tty1.<br>
          [   25.409524] do_IRQ: 2.35 No irq handler for vector<br>
          [   25.414974] systemd[1]: Stopped Serial Getty on ttyS0.<br>
          [   25.422081] systemd[1]: Stopped OpenBSD Secure Shell
          server.<br>
          [   25.429548] systemd[1]: Stopped User Manager for UID 0.<br>
          [   25.435189] systemd[1]: <a
            class="moz-txt-link-abbreviated"
            href="mailto:user-runtime-dir@0.service">user-runtime-dir@0.service</a>:
          Unit not needed anymore. Stopping.<br>
          [   25.445265] systemd[1]: Stopped Session 1 of user root.<br>
          [   25.453390] systemd[1]: Stopping Login Service...<br>
          [   25.459021] systemd[1]: Removed slice User Slice of UID 0.<br>
          [   25.466098] systemd[1]: Stopping /run/user/0 mount
          wrapper...<br>
          [   25.472694] systemd[1]: Removed slice
          system-serial\x2dgetty.slice.<br>
          [   25.479857] systemd[1]: Removed slice system-getty.slice.<br>
          [   25.487826] systemd[1]: Stopping Permit User Sessions...<br>
          [   25.495701] systemd[1]: Unmounted /run/user/0.<br>
          [   25.501803] systemd[1]: Stopped /run/user/0 mount wrapper.<br>
          [   25.508743] systemd[1]: Stopped Permit User Sessions.<br>
          [   25.514529] systemd[1]: Stopped target Remote File Systems.<br>
          [   25.520524] systemd[1]: Stopped target Network.<br>
          [   25.526657] systemd[1]: Stopping ifup for enp2s0...<br>
          [   25.533353] systemd[1]: Stopping Raise network
          interfaces...<br>
          [   25.539970] systemd[1]: Removed slice
          system-user\x2druntime\x2ddir.slice.<br>
          [   25.576147] systemd[1]: Stopped Raise network interfaces.<br>
          [   25.602356] systemd[1]: Stopped ifup for enp2s0.<br>
          [   25.707825] systemd[1]: Stopped Login Service.<br>
          [   25.713604] systemd[1]: Stopped target Basic System.<br>
          [   25.719204] systemd[1]: Stopped target Slices.<br>
          [   25.724438] systemd[1]: Removed slice User and Session
          Slice.<br>
          [   25.730624] systemd[1]: Stopped target Sockets.<br>
          [   25.735655] systemd[1]: Closed D-Bus System Message Bus
          Socket.<br>
          [   25.742099] systemd[1]: Closed Syslog Socket.<br>
          [   25.746818] systemd[1]: Stopped target System
          Initialization.<br>
          [   25.754189] systemd[1]: Stopping Load/Save Random Seed...<br>
          [   25.761232] systemd[1]: Stopping Update UTMP about System
          Boot/Shutdown...<br>
          [   25.769737] systemd[1]: Stopped Apply Kernel Variables.<br>
          [   25.781394] systemd[1]: Stopped Load Kernel Modules.<br>
          [   25.795447] systemd[1]: Stopped target Swap.<br>
          [   25.809631] systemd[1]: Deactivating swap
          /dev/disk/by-id/wwn-0x5000c500b23c6367-part5...<br>
          [   25.828414] systemd[1]: Stopped target Local Encrypted
          Volumes.<br>
          [   25.844940] systemd[1]: Stopping Network Time
          Synchronization...<br>
          [   25.861453] systemd[1]: Stopped target Paths.<br>
          [   25.889272] systemd[1]: Stopped Forward Password Requests
          to Wall Directory Watch.<br>
          [   25.928727] systemd[1]: Stopped Dispatch Password Requests
          to Console Directory Watch.<br>
          [   25.959270] systemd[1]: Deactivated swap
          /dev/disk/by-path/pci-0000:00:13.0-ata-1-part5.<br>
          [   25.994176] systemd[1]: Deactivated swap
          /dev/disk/by-partuuid/99c48f43-05.<br>
          [   26.016421] systemd[1]: Deactivated swap
          /dev/disk/by-id/wwn-0x5000c500b23c6367-part5.<br>
          [   26.035686] systemd[1]: Deactivated swap
          /dev/disk/by-id/ata-ST1000DM010-2EP102_Z9AW21V3-part5.<br>
          [   26.055900] systemd[1]: Deactivated swap /dev/sda5.<br>
          [   26.073952] systemd[1]: Stopped Network Time
          Synchronization.<br>
          [   26.092720] systemd[1]: Stopped Load/Save Random Seed.<br>
          [   26.110225] systemd[1]: Deactivated swap
          /dev/disk/by-uuid/99465a82-976c-4f78-9eec-7427dbc8db91.<br>
          [   26.138071] systemd[1]: Reached target Unmount All
          Filesystems.<br>
          [   26.156928] systemd[1]: Stopped Update UTMP about System
          Boot/Shutdown.<br>
          [   26.177568] systemd[1]: Stopped Create Volatile Files and
          Directories.<br>
          [   26.196221] systemd[1]: Stopped target Local File Systems.<br>
          [   26.213723] systemd[1]: Stopped target Local File Systems
          (Pre).<br>
          [   26.231766] systemd[1]: Stopped Create Static Device Nodes
          in /dev.<br>
          [   26.250204] systemd[1]: Stopped Create System Users.<br>
          [   26.267344] systemd[1]: Stopped Remount Root and Kernel
          File Systems.<br>
          [   26.286000] systemd[1]: Reached target Shutdown.<br>
          [   26.302919] systemd[1]: Reached target Final Step.<br>
          [   26.321292] systemd[1]: Starting Reboot...<br>
          [   26.342472] systemd[1]: Shutting down.<br>
          [   26.441115] systemd[1]: Hardware watchdog 'iTCO_wdt',
          version 0<br>
          [   26.456482] systemd[1]: Set hardware watchdog to 10min.<br>
          [   26.467009] watchdog: watchdog0: watchdog did not stop!<br>
          [   26.588907] systemd-shutdown[1]: Syncing filesystems and
          block devices.<br>
          [   26.658406] systemd-shutdown[1]: Sending SIGTERM to
          remaining processes...<br>
          [   26.685084] systemd-journald[234]: Received SIGTERM from
          PID 1 (systemd-shutdow).<br>
          [   26.725264] systemd-shutdown[1]: Sending SIGKILL to
          remaining processes...<br>
          [   26.749976] systemd-shutdown[1]: Hardware watchdog
          'iTCO_wdt', version 0<br>
          [   26.766755] systemd-shutdown[1]: Unmounting file systems.<br>
          [   26.780610] [505]: Remounting '/' read-only in with options
          'errors=remount-ro'.<br>
          [   26.873790] EXT4-fs (sda1): re-mounted. Opts:
          errors=remount-ro<br>
          [   26.888584] systemd-shutdown[1]: All filesystems unmounted.<br>
          [   26.903481] systemd-shutdown[1]: Deactivating swaps.<br>
          [   26.913865] systemd-shutdown[1]: All swaps deactivated.<br>
          [   26.924147] systemd-shutdown[1]: Detaching loop devices.<br>
          [   26.934660] systemd-shutdown[1]: All loop devices detached.<br>
          [   26.945223] systemd-shutdown[1]: Detaching DM devices.<br>
          [   26.955424] systemd-shutdown[1]: All DM devices detached.<br>
          [   26.966113] systemd-shutdown[1]: All filesystems, swaps,
          loop devices and DM devices detached.<br>
          [   27.001630] systemd-shutdown[1]: Syncing filesystems and
          block devices.<br>
          [   27.016688] systemd-shutdown[1]: Rebooting.<br>
          [   27.025861] kvm: exiting hardware virtualization<br>
          [   27.039863] sd 0:0:0:0: [sda] Synchronizing SCSI cache</font></span><br>
      <br>
      Stuck here for 16 minutes before pressing power button for 4
      seconds to force power off.<br>
      <br>
      Regards, Andrew<br>
      <br>
      On 31/10/18 20:27, Michael Biebl wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:c52b397e-0ea5-7e13-145d-cd1f2487f82c@debian.org">
      <pre wrap="">Am 31.10.18 um 09:42 schrieb Andrew Pavlomanolakos:

</pre>
      <blockquote type="cite">
        <pre wrap="">[   55.288313] systemd-shutdown[1]: Rebooting.
</pre>
      </blockquote>
      <pre wrap="">
This is logged right before systemd-shutdown calls the final
reboot() system call. If it get's stuck after that, it looks like it is
a kernel issue.
Can you try with a different kernel?


</pre>
    </blockquote>
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