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[Bug 2111107] Re: systemd user scope fails to connect

 

Hello Sebastian, or anyone else affected,

Accepted systemd into plucky-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/systemd/257.4-1ubuntu3.2 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
plucky to verification-done-plucky. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-plucky. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: systemd (Ubuntu Plucky)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-plucky

-- 
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https://bugs.launchpad.net/bugs/2111107

Title:
  systemd user scope fails to connect

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Plucky:
  Fix Committed

Bug description:
  [ Impact ]

   * Running `systemd-analyze --user verify` causes further calls to the systemd user scope to fail with `Failed to connect to user scope bus via local transport: Connection refused`.
   * This bug only exists on the version of systemd shipped in Plucky, and is already fixed upstream.

  [ Test Plan ]

   * Run `systemd --user status` or another systemd command targeting the user scope and observe normal output.
   * Run `systemd-analyze --user verify /usr/lib/systemd/user/systemd-tmpfiles-setup.service` which should run normally.
   * Running `systemd --user status` or another systemd command targeting the user scope afterwards should not fail.

  [ Where problems could occur ]

   * The fix for this bug effects the systemd manager, but only when running in test mode.
   * More specifically, running `systemd-analyze --user verify` or any other command that starts the manager in test mode should still work as expected.

  [ Other Info ]

   * Upstream issue: https://github.com/systemd/systemd/issues/36540
   * Upstream fix: https://github.com/systemd/systemd/pull/36719

  [ Original Description ]

  Using systemd --user for several user-level services. Upgraded to
  25.04 yesterday and noticed an issue today. Sometimes systemctl --user
  commands, threw a "Connection refused", which was new to me.

  Example:
  user@host:~$ systemctl --user daemon-reload
  Failed to connect to user scope bus via local transport: Connection refused

  So I went to look online and found this workaround in this thread for Arch ( https://bbs.archlinux.org/viewtopic.php?id=302556 ):
  unset XDG_RUNTIME_DIR
  systemctl --user daemon-reexec

  I know it's a different distro, but still wanted to mention it,
  especially since we're also using systemd 257 and this should be fixed
  in 258. The mentioned upstream bugreport:
  https://github.com/systemd/systemd/issues/36540

  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: systemd 257.4-1ubuntu3
  ProcVersionSignature: Ubuntu 6.14.0-15.15-generic 6.14.0
  Uname: Linux 6.14.0-15-generic x86_64
  ApportVersion: 2.32.0-0ubuntu5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CloudArchitecture: x86_64
  CloudID: none
  CloudName: none
  CloudPlatform: none
  CloudSubPlatform: config
  CurrentDesktop: sway
  Date: Fri May 16 15:49:11 2025
  InstallationDate: Installed on 2022-05-14 (1098 days ago)
  InstallationMedia: Ubuntu-Server 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220421)
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.14.0-15-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro
  SourcePackage: systemd
  SystemdFailedUnits:
   Error: command ['systemctl', 'status', '--full', '●'] failed with exit code 4: Invalid unit name "●" escaped as "\xe2\x97\x8f" (maybe you should use systemd-escape?).
   Unit \xe2\x97\x8f.service could not be found.
   ------
   Error: command ['systemctl', 'status', '--full', '●'] failed with exit code 4: Invalid unit name "●" escaped as "\xe2\x97\x8f" (maybe you should use systemd-escape?).
   Unit \xe2\x97\x8f.service could not be found.
  UpgradeStatus: Upgraded to plucky on 2025-05-15 (1 days ago)
  dmi.bios.date: 08/21/2024
  dmi.bios.release: 5.17
  dmi.bios.vendor: American Megatrends International, LLC.
  dmi.bios.version: L3.47
  dmi.board.name: B550 Phantom Gaming-ITX/ax
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvrL3.47:bd08/21/2024:br5.17:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnB550PhantomGaming-ITX/ax:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:skuToBeFilledByO.E.M.:
  dmi.product.family: To Be Filled By O.E.M.
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.sku: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.
  modified.conffile..etc.logrotate.d.apport: [modified]
  modified.conffile..etc.systemd.journald.conf: [modified]
  mtime.conffile..etc.logrotate.d.apport: 2023-01-22T12:04:04.279288
  mtime.conffile..etc.systemd.journald.conf: 2022-08-13T22:29:21.911636

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References