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[Bug 1803391] Re: Systemd update installation hangs in unattended-upgrades InstallOnShutdown mode

 

This bug was fixed in the package systemd - 229-4ubuntu21.10

---------------
systemd (229-4ubuntu21.10) xenial-security; urgency=medium

  [ Chris Coulson ]
  * Revert the fixes for CVE-2018-6954 for causing a regression when running
    in a container on old kernels (LP: #1804847)
    - update debian/patches/series

  [ Balint Reczey ]
  * Fix LP: #1803391 - Don't always trigger systemctl stop of udev service
    and sockets
    - update debian/udev.postinst

 -- Chris Coulson <chris.coulson@xxxxxxxxxxxxx>  Tue, 27 Nov 2018
11:10:48 +0000

** Changed in: systemd (Ubuntu Xenial)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1803391

Title:
  Systemd update installation hangs in unattended-upgrades
  InstallOnShutdown mode

Status in systemd package in Ubuntu:
  Fix Committed
Status in systemd source package in Xenial:
  Fix Released
Status in systemd source package in Bionic:
  Fix Released
Status in systemd source package in Cosmic:
  Fix Released
Status in systemd source package in Disco:
  Fix Committed

Bug description:
  
  [Impact] 

   * Installation of latest systemd update in -security hangs with
  current versions of unattended-upgrades in supported releases. The
  u-u-side fix is tracked in LP: #1778219.

  
  [Regression Potential] 

   * The daemons, shipped in deb:systemd, are not attempted to be
  restarted because despite package installation the system is in the
  middle of shutting down. This means that currently running daemons may
  be helding up open files on the filesystem, however all process are
  being stopped and killed as part of shutdown. Hence the worst possible
  regression from this, is an unclean shutdown, but even that shouldn't
  happen with this update.

  [Test Case]

  Reproduction:

  rbalint@yogi:~$ lxc launch ubuntu:18.04 uu-systemd-onshutdown
  Creating uu-systemd-onshutdown
  Starting uu-systemd-onshutdown
  rbalint@yogi:~$ lxc shell uu-systemd-onshutdown
  mesg: ttyname failed: No such device
  root@uu-systemd-onshutdown:~# apt update -qq
  23 packages can be upgraded. Run 'apt list --upgradable' to see them.
  root@uu-systemd-onshutdown:~# echo 'Unattended-Upgrade::InstallOnShutdown "true";' > /etc/apt/apt.conf.d/51unattended-upgrades-on-shutdown
  root@uu-systemd-onshutdown:~# apt list --upgradable
  Listing... Done
  apport/bionic-updates 2.20.9-0ubuntu7.5 all [upgradable from: 2.20.9-0ubuntu7.4]
  gettext-base/bionic-updates,bionic-security 0.19.8.1-6ubuntu0.1 amd64 [upgradable from: 0.19.8.1-6]
  kmod/bionic-updates 24-1ubuntu3.1 amd64 [upgradable from: 24-1ubuntu3]
  libglib2.0-0/bionic-updates 2.56.3-0ubuntu0.18.04.1 amd64 [upgradable from: 2.56.2-0ubuntu0.18.04.2]
  libglib2.0-data/bionic-updates 2.56.3-0ubuntu0.18.04.1 all [upgradable from: 2.56.2-0ubuntu0.18.04.2]
  libkmod2/bionic-updates 24-1ubuntu3.1 amd64 [upgradable from: 24-1ubuntu3]
  libmspack0/bionic-updates,bionic-security 0.6-3ubuntu0.2 amd64 [upgradable from: 0.6-3ubuntu0.1]
  libnss-systemd/bionic-updates,bionic-security 237-3ubuntu10.6 amd64 [upgradable from: 237-3ubuntu10.3]
  libpam-systemd/bionic-updates,bionic-security 237-3ubuntu10.6 amd64 [upgradable from: 237-3ubuntu10.3]
  libsystemd0/bionic-updates,bionic-security 237-3ubuntu10.6 amd64 [upgradable from: 237-3ubuntu10.3]
  libudev1/bionic-updates,bionic-security 237-3ubuntu10.6 amd64 [upgradable from: 237-3ubuntu10.3]
  lxd/bionic-updates 3.0.2-0ubuntu1~18.04.1 amd64 [upgradable from: 3.0.1-0ubuntu1~18.04.1]
  lxd-client/bionic-updates 3.0.2-0ubuntu1~18.04.1 amd64 [upgradable from: 3.0.1-0ubuntu1~18.04.1]
  openssh-client/bionic-updates,bionic-security 1:7.6p1-4ubuntu0.1 amd64 [upgradable from: 1:7.6p1-4]
  openssh-server/bionic-updates,bionic-security 1:7.6p1-4ubuntu0.1 amd64 [upgradable from: 1:7.6p1-4]
  openssh-sftp-server/bionic-updates,bionic-security 1:7.6p1-4ubuntu0.1 amd64 [upgradable from: 1:7.6p1-4]
  python3-apport/bionic-updates 2.20.9-0ubuntu7.5 all [upgradable from: 2.20.9-0ubuntu7.4]
  python3-distupgrade/bionic-updates 1:18.04.28 all [upgradable from: 1:18.04.27]
  python3-problem-report/bionic-updates 2.20.9-0ubuntu7.5 all [upgradable from: 2.20.9-0ubuntu7.4]
  systemd/bionic-updates,bionic-security 237-3ubuntu10.6 amd64 [upgradable from: 237-3ubuntu10.3]
  systemd-sysv/bionic-updates,bionic-security 237-3ubuntu10.6 amd64 [upgradable from: 237-3ubuntu10.3]
  ubuntu-release-upgrader-core/bionic-updates 1:18.04.28 all [upgradable from: 1:18.04.27]
  udev/bionic-updates,bionic-security 237-3ubuntu10.6 amd64 [upgradable from: 237-3ubuntu10.3]
  root@uu-systemd-onshutdown:~# reboot

  Session terminated, terminating shell...Terminated
  root@uu-systemd-
  rbalint@yogi:~$
  rbalint@yogi:~$ lxc shell uu-systemd-onshutdown
  mesg: ttyname failed: No such device
  root@uu-systemd-onshutdown:~# tail /var/log/unattended-upgrades/unattended-upgrades-dpkg.log
  Preparing to unpack .../libsystemd0_237-3ubuntu10.6_amd64.deb ...
  Unpacking libsystemd0:amd64 (237-3ubuntu10.6) over (237-3ubuntu10.3) ...
  Setting up libsystemd0:amd64 (237-3ubuntu10.6) ...
  Processing triggers for ureadahead (0.100.0-20) ...
  Processing triggers for libc-bin (2.27-3ubuntu1) ...
  Setting up systemd (237-3ubuntu10.6) ...
  Failed to try-restart systemd-networkd.service: Transaction is destructive.
  See system logs and 'systemctl status systemd-networkd.service' for details.
  Failed to try-restart systemd-resolved.service: Transaction is destructive.
  See system logs and 'systemctl status systemd-resolved.service' for details.
  root@uu-systemd-onshutdown:~#  ps -ef  | cat
  UID        PID  PPID  C STIME TTY          TIME CMD
  root         1     0  0 15:34 ?        00:00:00 /lib/systemd/systemd --system --deserialize 22
  root        53     1  0 15:34 ?        00:00:00 /lib/systemd/systemd-journald
  systemd+   153     1  0 15:34 ?        00:00:00 /lib/systemd/systemd-networkd
  systemd+   154     1  0 15:34 ?        00:00:00 /lib/systemd/systemd-resolved
  message+   194     1  0 15:34 ?        00:00:00 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
  root       572     1  0 15:35 ?        00:00:00 /usr/bin/python3 /usr/share/unattended-upgrades/unattended-upgrade-shutdown
  root       586   572  0 15:35 ?        00:00:08 /usr/bin/python3 /usr/bin/unattended-upgrade
  root       829     0  0 15:35 ?        00:00:00 su -l
  root       830   829  0 15:35 ?        00:00:00 -su
  root      1244     1  0 15:35 ?        00:00:00 /lib/systemd/systemd-udevd
  root      1918     1  0 15:35 ?        00:00:00 /usr/sbin/sshd -D
  root      1952   586  0 15:35 ?        00:00:00 /usr/bin/python3 /usr/bin/unattended-upgrade
  root      2111  1952  0 15:35 pts/0    00:00:00 /usr/bin/dpkg --status-fd 10 --configure --pending
  root      2125  2111  0 15:35 pts/0    00:00:00 /bin/sh /var/lib/dpkg/info/systemd.postinst configure 237-3ubuntu10.3
  root      2165  2125  0 15:35 pts/0    00:00:00 systemctl try-restart systemd-journald.service
  root      2170     0  0 15:36 ?        00:00:00 su -l
  root      2171  2170  0 15:36 ?        00:00:00 -su
  root      2197  2171  0 15:36 ?        00:00:00 ps -ef
  root      2198  2171  0 15:36 ?        00:00:00 cat
  root@uu-systemd-onshutdown:~# systemctl list-jobs
  JOB UNIT                                 TYPE    STATE
  323 reboot.target                        start   waiting
  405 basic.target                         stop    waiting
  359 sysinit.target                       stop    waiting
  433 cloud-init.service                   stop    waiting
  422 user.slice                           stop    waiting
  388 snapd.socket                         stop    waiting
  428 swap.target                          stop    waiting
  332 shutdown.target                      start   waiting
  412 slices.target                        stop    waiting
  415 systemd-networkd.service             stop    waiting
  338 syslog.socket                        stop    waiting
  399 acpid.socket                         stop    waiting
  377 uuidd.socket                         stop    waiting
  416 systemd-networkd-wait-online.service stop    waiting
  373 acpid.path                           stop    waiting
  432 local-fs.target                      stop    waiting
  437 cryptsetup.target                    stop    waiting
  341 lxd.socket                           stop    waiting
  491 systemd-journald.service             restart waiting
  340 sockets.target                       stop    waiting
  330 var-lib-lxcfs.mount                  stop    waiting
  430 cloud-init-local.service             stop    waiting
  453 paths.target                         stop    waiting
  402 iscsid.socket                        stop    waiting
  439 local-fs-pre.target                  stop    waiting
  392 dbus.socket                          stop    waiting
  440 systemd-resolved.service             stop    waiting
  353 systemd-ask-password-console.path    stop    waiting
  324 systemd-reboot.service               start   waiting
  498 systemd-journal-flush.service        restart waiting
  325 final.target                         start   waiting
  414 systemd-sysctl.service               stop    waiting
  331 run-user-0.mount                     stop    waiting
  435 network.target                       stop    waiting
  457 systemd-tmpfiles-setup.service       stop    waiting
  458 systemd-ask-password-wall.path       stop    waiting
  329 umount.target                        start   waiting
  369 unattended-upgrades.service          stop    running
  434 network-pre.target                   stop    waiting
  436 systemd-tmpfiles-setup-dev.service   stop    waiting
  456 systemd-update-utmp.service          stop    waiting
  389 apport-forward.socket                stop    waiting
  497 systemd-journald-audit.socket        start   waiting

  43 jobs listed.
  root@uu-systemd-onshutdown:~#

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