package nvidia-opencl-icd-331-updates (not installed) failed to install/upgrade: tentative de remplacement de « /usr/lib/i386-linux-gnu/libnvidia-opencl.so.331.113 », qui appartient aussi au paquet nvidia-opencl-icd-331 331.113-0ubuntu0.0.4

[Wintermute]

1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> About Ubuntu
Description: Ubuntu 14.04.1 LTS
Release: 14.04

2) The version of the package you are using, via 'apt-cache policy pkgname' or by checking in Software Center
nvidia-opencl-icd-331-updates:
  Installed : (none)
  Candidate : 331.113-0ubuntu0.0.4
 Version table :
     331.113-0ubuntu0.0.4 0
        500 http://fr.archive.ubuntu.com/ubuntu/ trusty-updates/restricted amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ trusty-security/restricted amd64 Packages
     331.38-0ubuntu7 0
        500 http://fr.archive.ubuntu.com/ubuntu/ trusty/restricted amd64 Packages

3) What you expected to happen
To log into my unity desktop as usual.

4) What happened instead
Single display instead of dual head, low-res display instead of hi-res, empty desktop wallpaper after login, no icons no dash nothing.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: nvidia-opencl-icd-331-updates (not installed)
ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13
Uname: Linux 3.13.0-45-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
Date: Mon Feb 2 09:35:28 2015
DuplicateSignature: package:nvidia-opencl-icd-331-updates:(not installed):tentative de remplacement de « /usr/lib/i386-linux-gnu/libnvidia-opencl.so.331.113 », qui appartient aussi au paquet nvidia-opencl-icd-331 331.113-0ubuntu0.0.4
ErrorMessage: tentative de remplacement de « /usr/lib/i386-linux-gnu/libnvidia-opencl.so.331.113 », qui appartient aussi au paquet nvidia-opencl-icd-331 331.113-0ubuntu0.0.4
InstallationDate: Installed on 2014-12-23 (40 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
SourcePackage: nvidia-graphics-drivers-331-updates
Title: package nvidia-opencl-icd-331-updates (not installed) failed to install/upgrade: tentative de remplacement de « /usr/lib/i386-linux-gnu/libnvidia-opencl.so.331.113 », qui appartient aussi au paquet nvidia-opencl-icd-331 331.113-0ubuntu0.0.4
UpgradeStatus: No upgrade log present (probably fresh install)

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1416007, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.