@hcoin are you still on Eoan or have you moved up to Focal yet?  If
you're on Focal, could you test the version from -proposed?

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https://bugs.launchpad.net/bugs/1873607

Title:
  systemd segv coredump, reboot/poweroff ignored.

Status in systemd:
  Fix Released
Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Bionic:
  In Progress
Status in systemd source package in Eoan:
  In Progress
Status in systemd source package in Focal:
  Fix Committed
Status in systemd source package in Groovy:
  Fix Released

Bug description:
  [impact]

  during systemctl daemon-reload, systemd sometimes segfaults while
  serializing a service.

  [test case]

  problem is intermittent, but the upstream bug suggests a reproducer.
  Also see original description.

  [regression potential]

  this adjusts serialization, so any regression would likely occur
  during serialization/deserialization, e.g. at daemon-reload.

  [scope]

  This is needed for Bionic and later.

  this was introduced by commit e266c068b5597e18b2299f9c9d3ee6cf04198c41
  which is included starting in v234.  The commit to fix it is
  e9da62b18af647bfa73807e1c7fc3bfa4bb4b2ac which is not yet included in
  any release.

  The PR to fix this is https://github.com/systemd/systemd/pull/15546

  [other info]

  there is an additional PR that further avoids the error, but has not yet been 
accepted, and may not be accepted as it may not be necessary.
  https://github.com/systemd/systemd/pull/15370

  [original description]

  Proximate syslog:

  Apr 18 16:26:56 gate2 rssmonitor.py[2001]: settings: Running:  ip -all netns 
del
  Apr 18 16:26:56 gate2 systemd[1]: /lib/systemd/system/dbus.socket:4: 
ListenStream= references a path below legacy directory /var/run/, updating 
/var/run/dbus/system_bus_socket → /r
  un/dbus/system_bus_socket; please update the unit file accordingly.
  Apr 18 16:26:56 gate2 systemd[1]: /lib/systemd/system/sssd.service:11: 
PIDFile= references a path below legacy directory /var/run/, updating 
/var/run/sssd.pid → /run/sssd.pid; plea
  se update the unit file accordingly.
  Apr 18 16:26:56 gate2 systemd[1]: /lib/systemd/system/oddjobd.service:6: 
PIDFile= references a path below legacy directory /var/run/, updating 
/var/run/oddjobd.pid → /run/oddjobd.p
  id; please update the unit file accordingly.
  Apr 18 16:26:56 gate2 systemd[1]: /lib/systemd/system/fail2ban.service:12: 
PIDFile= references a path below legacy directory /var/run/, updating 
/var/run/fail2ban/fail2ban.pid → /r
  un/fail2ban/fail2ban.pid; please update the unit file accordingly.
  Apr 18 16:26:56 gate2 systemd[1]: /lib/systemd/system/certmonger.service:6: 
PIDFile= references a path below legacy directory /var/run/, updating 
/var/run/certmonger.pid → /run/cer
  tmonger.pid; please update the unit file accordingly.
  Apr 18 16:26:56 gate2 systemd[1]: Reloading.
  Apr 18 16:26:56 gate2 kernel: [  454.966336] systemd[1]: segfault at 50 ip 
000055946ed0d6f0 sp 00007fff8409d210 error 4 in systemd[55946ecb4000+ae000]
  Apr 18 16:26:56 gate2 kernel: [  454.966354] Code: a8 48 8b 75 a0 c7 45 ac 00 
00 00 00 48 8b 94 c7 a0 04 00 00 48 89 45 88 48 89 f0 48 39 d6 74 17 66 2e 0f 
1f 84 00 00 00 00 00 <48
  > 8b 40 50 83 45 ac 01 48 39 c2 75 f3 48 8b 45 a0 31 db 4c 8d 7d
  Apr 18 16:26:56 gate2 rssmonitor.py[1213]: rssmain: Ran OK:   systemctl 
daemon-reload
  Apr 18 16:26:57 gate2 rssmonitor.py[1213]: rssmain: Running:  systemctl 
enable rssmonitor.service
  Apr 18 16:27:23 gate2 sssd[nss]: Enumeration requested but not enabled
  Apr 18 16:27:24 gate2 kernel: [  482.503042] printk: systemd: 43 output lines 
suppressed due to ratelimiting
  Apr 18 16:27:24 gate2 systemd[1]: Caught <SEGV>, dumped core as pid 2034.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: systemd 242-7ubuntu3.7
  ProcVersionSignature: Ubuntu 5.3.0-46.38-generic 5.3.18
  Uname: Linux 5.3.0-46-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.8
  Architecture: amd64
  Date: Sat Apr 18 18:09:06 2020
  InstallationDate: Installed on 2019-11-01 (169 days ago)
  InstallationMedia: Ubuntu-MATE 19.10 "Eoan Ermine" - Release amd64 (20191017)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
  ProcEnviron:
   SHELL=/bin/bash
   LANG=en_US.UTF-8
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
   PATH=(custom, no user)
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-5.3.0-46-generic 
root=UUID=82254a10-a9e1-4459-aba0-7876df48d9da ro rootflags=subvol=@ quiet 
splash vt.handoff=7
  SourcePackage: systemd
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: SeaBIOS
  dmi.bios.version: 1.12.0-1
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-i440fx-cosmic
  dmi.modalias: 
dmi:bvnSeaBIOS:bvr1.12.0-1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-cosmic:cvnQEMU:ct1:cvrpc-i440fx-cosmic:
  dmi.product.name: Standard PC (i440FX + PIIX, 1996)
  dmi.product.version: pc-i440fx-cosmic
  dmi.sys.vendor: QEMU
  mtime.conffile..etc.systemd.resolved.conf: 2020-04-18T10:41:34.662328

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