[Bug 1593489] Re: resolvconf postrm is broken, purge breaks DNS

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: resolvconf (Ubuntu Xenial)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1593489

Title:
  resolvconf postrm is broken, purge breaks DNS

Status in resolvconf package in Ubuntu:
  Confirmed
Status in resolvconf source package in Xenial:
  Confirmed
Status in resolvconf source package in Yakkety:
  Confirmed
Status in resolvconf source package in Zesty:
  Confirmed
Status in resolvconf source package in Artful:
  Confirmed

Bug description:
  apt-get remove resolvconf incorrectly leaves a symlink from
  /etc/resolv.conf to ../run/resolvconf/resolv.conf.  apt-get purge
  resolvconf leaves that symlink with no target, so DNS is broken.

  The problem is in postrm: it's examining /etc/resolv.conf to see if
  it's a link to /run/resolvconf/resolv.conf, but it's a relative link
  to ../run/resolvconf/resolv.conf, so the comparison fails, resulting
  in the failures above.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: resolvconf 1.78ubuntu2
  ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
  Uname: Linux 4.4.0-24-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  Date: Thu Jun 16 23:52:41 2016
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: resolvconf
  UpgradeStatus: No upgrade log present (probably fresh install)

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