[Bug 1928564] Re: systemctl reboot hangs the machine under hirsute 21.04

[Robert Dinse]

I accidentally saved the reboot image attachment before I completed the comment, so that's where
it hangs.  This time I only waited about a minute and a half before holding down control+alt+del to force the reboot, but I've walked away for an hour and let it sit, it does not finish beyond this point.

Strangely reboot and shutdown work but not systemctl reboot.

Tried deleting tor to see if it was causing issues, got past thermald
but still hung, see logs2.


** Attachment added: "systemctl reboot after removing tor."
   https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1928564/+attachment/5498330/+files/logs2

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https://bugs.launchpad.net/bugs/1928564

Title:
  systemctl reboot hangs the machine under hirsute 21.04

Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  If you type "systemctl reboot" instead of rebooting the machine hangs
  hard, nothing except a hard power cycle seems to get it's attention.
  This is true of both physical hardware and virtual machines, it was
  NOT a problem under groovy.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: systemd 247.3-3ubuntu3
  Uname: Linux 5.12.4 x86_64
  ApportVersion: 2.20.11-0ubuntu65
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: MATE
  Date: Sat May 15 19:12:59 2021
  InstallationDate: Installed on 2020-08-10 (278 days ago)
  InstallationMedia: Ubuntu-MATE 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  MachineType: System manufacturer System Product Name
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.12.4 root=UUID=1065426b-f156-4c90-a98b-e7258e07a88f ro quiet splash vt.handoff=7
  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.
  UpgradeStatus: Upgraded to hirsute on 2021-05-12 (3 days ago)
  dmi.bios.date: 06/04/2020
  dmi.bios.release: 16.2
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1602
  dmi.board.asset.tag: Default string
  dmi.board.name: PRIME Z390-A
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1602:bd06/04/2020:br16.2:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEZ390-A:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: System Product Name
  dmi.product.sku: ASUS_MB_CNL
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  mtime.conffile..etc.systemd.resolved.conf: 2020-12-17T10:04:04

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