[Bug 2065800] Re: Failed to upgrade to 24.04

[eresquigal]

Worked around issue by changing the apt sources to 24.04 and running apt
dist-upgrade

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https://bugs.launchpad.net/bugs/2065800

Title:
  Failed to upgrade to 24.04

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  CMD: do-release-upgrade -d
  Fails.
  ----
  # lsb_release -rd
  No LSB modules are available.
  Description:	Ubuntu 23.10
  Release:	23.10
  ----
  ii  ubuntu-release-upgrader-core                                1:23.10.14 
  ----
  Expected it to upgrade to 24.04
  ----
  Instead: Pulls the package lists, then after a while says:

  
  Could not calculate the upgrade 

  An unresolvable problem occurred while calculating the upgrade.

  This was caused by: 
  * Upgrading to a pre-release version of Ubuntu

  ProblemType: Bug
  DistroRelease: Ubuntu 23.10
  Package: ubuntu-release-upgrader-core 1:23.10.14
  ProcVersionSignature: Ubuntu 6.5.0-35.35-generic 6.5.13
  Uname: Linux 6.5.0-35-generic x86_64
  NonfreeKernelModules: zfs nvidia_modeset nvidia
  ApportVersion: 2.27.0-0ubuntu5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  Date: Wed May 15 17:38:52 2024
  InstallationDate: Installed on 2016-02-28 (2999 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to mantic on 2024-05-15 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2024-05-15  17:36:36
   End-Date: 2024-05-15  17:36:36
  VarLogDistupgradeApttermlog:
   Log started: 2024-05-15  17:36:36
   Log ended: 2024-05-15  17:36:36

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