[Bug 1867431] Re: ERROR got an error from dpkg for pkg: 'libc6'

[RobertH]

Yes, I couldn't confirm any details about the bug yesterday (on
https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1866844) coz I'm
still locked out of my system but it was the only mention I could find
then of a libc6/libcrypt install failure. Will Jeffrey's instructions
there still work if using ZFS instead of ext4?

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https://bugs.launchpad.net/bugs/1867431

Title:
  ERROR got an error from dpkg for pkg: 'libc6'

Status in glibc package in Ubuntu:
  Incomplete

Bug description:
  After the last upgrade I made this morning, at the error of dpkg on the libc6 package, I was no longer able to log in user: sudo apt update, full-upgrade or any login with "sudo", the message was "you have passed 3 attempts for wrong password ", at restart I tried to log in from the grub, recovery, I tried to click" repair package "with no result, not even to start a root shell was not successful, any attempt failed .
  Luckily before the update I took a snapshot with Timeshift on Btrfs, so I have the snapshot still saved in case it was used to reproduce the bug, I also have logs saved, since I have separate subvolumes.
  I enclose everything, if there are other details that can help you, I am available.
  Thank you

  log: https://paste.ubuntu.com/p/zSJcrYyW6H/

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: libc6 2.30-0ubuntu3
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu20
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Mar 14 13:44:58 2020
  ProcEnviron:
   TERM=screen-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  SourcePackage: glibc
  UpgradeStatus: No upgrade log present (probably fresh install)

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