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[Konstantin Gizdov <kgizdov@xxxxxxxxx>]

Public bug reported:

All graphics elements that depend on Unity do not work. However I am
able to login through lightdm and compiz loads, so I can have some GUI.
(I will update with pictures, once I figure out how to access my system
properly)

I have gone thoroughly over the updates that led to this issue and have
narrowed the culprit.

What I did was to go to /var/log/apt/history.log and manually follow the
trail of packages (including drivers) to isolate the issue. It turns out
since the last update of unity and systemd (+related) packages, unity
does not work with Nvidia's drivers any more. (I will update with the
history.log as soon as I can find a way to upload without unity).

However, compiz and lightdm work flawlessly at the moment and if I
revert updates (for unity and accompanying) way back, unity loads as
well.

Further updates will follow below.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: unity 7.2.2+14.04.20140714-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
Uname: Linux 3.13.0-35-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CurrentDesktop: Unity
Date: Fri Sep 19 15:47:30 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-04-18 (153 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: unity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug third-party-packages trusty

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https://bugs.launchpad.net/bugs/1371645

Title:
  Fault in Unity prevents proper GUI start. Lightdm and Compiz work.

Status in “unity” package in Ubuntu:
  New

Bug description:
  All graphics elements that depend on Unity do not work. However I am
  able to login through lightdm and compiz loads, so I can have some
  GUI. (I will update with pictures, once I figure out how to access my
  system properly)

  I have gone thoroughly over the updates that led to this issue and
  have narrowed the culprit.

  What I did was to go to /var/log/apt/history.log and manually follow
  the trail of packages (including drivers) to isolate the issue. It
  turns out since the last update of unity and systemd (+related)
  packages, unity does not work with Nvidia's drivers any more. (I will
  update with the history.log as soon as I can find a way to upload
  without unity).

  However, compiz and lightdm work flawlessly at the moment and if I
  revert updates (for unity and accompanying) way back, unity loads as
  well.

  Further updates will follow below.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: unity 7.2.2+14.04.20140714-0ubuntu1.1
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CurrentDesktop: Unity
  Date: Fri Sep 19 15:47:30 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-04-18 (153 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)

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