[Bug 1971173] Re: Upgrade from 20.04 to 22.04 crashes

[Carlos A.]

I have modifed /etc/Update-manager/release-upgrades. Chaning from lts to
normal, the script doesn't crash, but it is stopped. Now I get:

Calculating changes
Calculating changes
Restart to the original system state
Interruption
Read list of packages ... done
Generating dependence tree ...done
Reading state information ... done

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https://bugs.launchpad.net/bugs/1971173

Title:
  Upgrade from 20.04 to 22.04 crashes

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

Bug description:
  When running do-release-upgrade, the system crashes.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:21.10.9
  ProcVersionSignature: Ubuntu 5.10.0-1050.52-oem 5.10.68
  Uname: Linux 5.10.0-1050-oem x86_64
  ApportVersion: 2.20.11-0ubuntu71.1
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  Date: Mon May  2 18:11:26 2022
  DistributionChannelDescriptor:
   # This is the distribution channel descriptor for the OEM CDs
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-focal-amd64-20200502-85
  InstallationDate: Installed on 2021-08-20 (255 days ago)
  InstallationMedia: Ubuntu 20.04 "Focal" - Build amd64 LIVE Binary 20200502-05:58
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2022-05-02 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2022-05-02 18:11:16.979890
   Log time: 2022-05-02 18:11:18.750992
   Log time: 2022-05-02 18:11:25.878286
   Log time: 2022-05-02 18:11:26.172775
  mtime.conffile..etc.update-manager.release-upgrades: 2022-05-02T18:11:02.102794

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