[Bug 1175251] Re: kubuntu upgrade from 12.10 to 13.04 leaves system unusable

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I can confirm that this is STILL happening.  I upgraded from 12.10 to
13.04 today and got that error.  Thankfully, I found this bug report,
did "apt-get install qdbus:amd64" from command line (Thanks to Bill Pier
Post #3!) and had no further issues.  I'm running an amd64 system, and
always have.

Oh, and getting to the command prompt, mounting / rw, getting the
network interface up, yada yada yada was not without it's challenges as
well.  Any average user would would have thrown up their hands and gone
back to Windows (GASP).

Thanks.

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https://bugs.launchpad.net/bugs/1175251

Title:
  kubuntu upgrade from 12.10 to 13.04 leaves system unusable

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

Bug description:
  Not sure how to file this: it's for the do-release-upgrade process for
  kubuntu from 12.10 to 13.04.

  After upgrading the login manager came up fine. When logging in there
  was a message about qdbus from startkde:

  if qdbus >/dev/null 2>/dev/null; then
      : # ok
  else
      echo 'startkde: Could not start D-Bus. Can you call qdbus?'  1>&2
      test -n "$ksplash_pid" && kill "$ksplash_pid" 2>/dev/null
      xmessage -geometry 500x100 "Could not start D-Bus. Can you call qdbus?"
      exit 1
  fi

  The xmessage one.  invoking qdbus by hand on a text console gave a
  message I can't remember.  Strace seemed to show that it was looking
  for something it did not find.  This led me to look at qtchooser which
  also did not work. "qtchooser -list-versions" listed nothing.

  I tried to use apt-file to find the directories it looked in (found by
  strace).  Then I tried to install qt5-default.  Then the message
  changed to qdbus binary missing from some library directory specific
  to qt5.

  When i installed qt4-default and reinstalled qdbus it was possible to
  log in.

  Kind of high threshold to get the upgraded machine to work.

  Now upgrading a kubuntu VM with much fewer packages installed, I'll
  post here what I learn.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: ubuntu-release-upgrader-core 1:0.192.10
  ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
  Uname: Linux 3.8.0-19-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed May  1 18:39:31 2013
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to raring on 2013-05-01 (0 days ago)

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