[Bug 1561786] Re: Kubuntu release upgrade crash when trying to show debconf dialog

[Ferry Toth]

@Mike I had that too on multiple machines. Not sure if it is the same
bug though. I believe the problem was that sane.conf needed confirmation
to replace or keep, but the dialog box didn't appear, causing the
upgrade to stall and no way to continue. The solution was to kill,
manually continue. And then of course manually clean up, sigh.

I had that less than one month ago upgrading our main server to 15.10
and hoping that it had been fixed, but no.

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https://bugs.launchpad.net/bugs/1561786

Title:
  Kubuntu release upgrade crash when trying to show debconf dialog

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

Bug description:
  It looks like the KDE ui crashed when trying to show the differences
  for a config file

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.8
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  CrashDB: ubuntu
  Date: Fri Mar 25 00:39:20 2016
  InstallationDate: Installed on 2015-11-22 (123 days ago)
  InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2016-03-24 (0 days ago)

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