[Bug 1925215] Re: System completely freezes and requires reboot

[Dan Streetman]

First, 21.04 isn't released yet, so you shouldn't be using it unless
you're prepared for bugs.

Second, it would be better to ask for general debugging help at
https://askubuntu.com/ since this is for reporting bugs.

There's no information in your attached dmesg that might help, though
that is probably because it's from the boot after your hang, so it
doesn't include anything useful.

If you have any details about any actual bug please attach it.

** Changed in: systemd (Ubuntu)
       Status: New => Incomplete

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Title:
  System completely freezes and requires reboot

Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  The OS spontaneously froze whilst doing some work (firefox, VMs). I
  can't find anything suspect in the logs at this stage. I will keep an
  eye out for this issue but would like advise on what to check for, any
  tools I should install and commands to run when it crashes again.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: systemd 247.3-3ubuntu3
  ProcVersionSignature: Ubuntu 5.11.0-16.17-generic 5.11.12
  Uname: Linux 5.11.0-16-generic x86_64
  ApportVersion: 2.20.11-0ubuntu65
  Architecture: amd64
  CasperMD5CheckResult: pass
  Date: Tue Apr 20 14:28:46 2021
  ExecutablePath: /usr/lib/systemd/systemd
  InstallationDate: Installed on 2021-04-16 (3 days ago)
  InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Beta amd64 (20210331.1)
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-16-generic root=UUID=739968f7-1aa4-47f1-8d68-55af0ffb428d ro quiet splash vt.handoff=7
  SourcePackage: systemd
  SystemdDelta:
   [EXTENDED]   /usr/lib/systemd/system/rc-local.service → /usr/lib/systemd/system/rc-local.service.d/debian.conf
   [EXTENDED]   /usr/lib/systemd/system/systemd-localed.service → /usr/lib/systemd/system/systemd-localed.service.d/locale-gen.conf
   [EXTENDED]   /usr/lib/systemd/system/user at .service → /usr/lib/systemd/system/user at .service.d/timeout.conf
   
   3 overridden configuration files found.
  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: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/11/2013
  dmi.bios.release: 4.6
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P2.30
  dmi.board.name: Z77 OC Formula
  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:bvnAmericanMegatrendsInc.:bvrP2.30:bd07/11/2013:br4.6:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ77OCFormula:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.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.

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