[Bug 1866844] Re: package libc6:amd64 2.31-0ubuntu3 failed to install/upgrade: installed libc6:amd64 package post-installation script subprocess returned error exit status 127

[Kamilion]

*** This bug is a duplicate of bug 1867431 ***
    https://bugs.launchpad.net/bugs/1867431

Ran into this myself.

Here's my wajig history. Normally I run 'dailyupgrade' when I have a
chance to get this build VM updated, and then rebuild my ISOs with it
after a reboot, on a matching kernel so the right modules get built by
dkms and baked into my ISO and it's initramfs.

Line 2589: 2020-03-14T20:29:35 remove libc6 2.30-0ubuntu3
is the only occurrence in the log.

** Attachment added: "Wajig log of focal packages installed since January 2020"
   https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1866844/+attachment/5337112/+files/wajig.log

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https://bugs.launchpad.net/bugs/1866844

Title:
  package libc6:amd64 2.31-0ubuntu3 failed to install/upgrade: installed
  libc6:amd64 package post-installation script subprocess returned error
  exit status 127

Status in glibc package in Ubuntu:
  Fix Released
Status in glibc source package in Focal:
  Fix Released

Bug description:
  
  cannot install this package

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: libc6:amd64 2.31-0ubuntu3
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  ApportVersion: 2.20.11-0ubuntu19
  Architecture: amd64
  Date: Tue Mar 10 09:39:56 2020
  DuplicateSignature:
   package:libc6:amd64:2.31-0ubuntu3
   Setting up libc6:amd64 (2.31-0ubuntu3) ...
   /usr/bin/perl: error while loading shared libraries: libcrypt.so.1: cannot open shared object file: No such file or directory
   dpkg: error processing package libc6:amd64 (--configure):
    installed libc6:amd64 package post-installation script subprocess returned error exit status 127
  ErrorMessage: installed libc6:amd64 package post-installation script subprocess returned error exit status 127
  InstallationDate: Installed on 2020-03-07 (2 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200304)
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu1
  PythonDetails: N/A
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu2
   apt  2.0.0
  SourcePackage: glibc
  Title: package libc6:amd64 2.31-0ubuntu3 failed to install/upgrade: installed libc6:amd64 package post-installation script subprocess returned error exit status 127
  UpgradeStatus: No upgrade log present (probably fresh install)

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