[Bug 1311975] Re: ocl-icd-libopencl1 should conflicts, replaces nvidia-opencl-dev not nvidia-libopencl1-dev

[Launchpad Bug Tracker]

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

** Changed in: ocl-icd (Ubuntu Trusty)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1311975

Title:
  ocl-icd-libopencl1 should conflicts,replaces nvidia-opencl-dev not
  nvidia-libopencl1-dev

Status in “nvidia-cuda-toolkit” package in Ubuntu:
  Confirmed
Status in “ocl-icd” package in Ubuntu:
  Confirmed
Status in “nvidia-cuda-toolkit” source package in Trusty:
  Confirmed
Status in “ocl-icd” source package in Trusty:
  Confirmed
Status in “nvidia-cuda-toolkit” package in Debian:
  New
Status in “ocl-icd” package in Debian:
  New

Bug description:
  Packages nvidia-opencl-dev and ocl-icd-libopencl1 both ship libOpenCL.so.
  In Debian, libOpenCL.so was shipped by nvidia-libopencl1-dev in the past but since nvidia-cuda-toolkit 5.0.35-7 (August 2013) has been shipped by nvidia-opencl-dev instead.  The conflicts and replaces package relationships in ocl-icd-libopencl1 were never updated.

  [IMPACT]
  Users with proprietary Nvidia graphics drivers have difficulty co-installing CUDA and OpenCL applications. e.g. python-pycuda and python-pyopencl, or wine and nvidia-cuda-toolkit.

  [Test Case for Trusty]
  Install ocl-icd-libopencl1 followed by nvidia-opencl-dev.
  sudo apt-get install ocl-icd-libopencl1
  sudo apt-get install nvidia-opencl-dev

  Expected behaviour: ocl-icd-libopencl1 is removed and nvidia-opencl-
  dev is installed.

  Actual behaviour: dpkg complains that libOpenCL.so is to be
  overwritten.

  [Regression Potential]
  Minimal: this change only affects relationships between packages.

  -----------------------------------------------------------------------------

  1.) Description: Ubuntu 14.04 LTS, Release: 14.04

  2.) installed: ocl-icd-libopencl1 2.1.3-4, to be installed: nvidia-
  libopencl1-331 331.38-0ubuntu7

  3.) The expected behaviour is a successful upgrade from ocl-icd-
  libopencd1 to nvidia-libopencl1-331

  4.) nvidia-libopencl1-331's libOpenCL.so collides with the version of
  the installed ocl-icd-libopencd1 /usr/lib/x86_64-linux-
  gnu/libOpenCL.so

  ProblemType: Package
  DistroRelease: Ubuntu 14.04
  Package: nvidia-opencl-dev 5.0.35-7ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  Date: Thu Apr 24 05:33:14 2014
  DpkgTerminalLog:
   Vorbereitung zum Entpacken von .../nvidia-opencl-dev_5.5.22-3ubuntu1_amd64.deb ...
   Entpacken von nvidia-opencl-dev:amd64 (5.5.22-3ubuntu1) über (5.0.35-7ubuntu1) ...
   dpkg: Fehler beim Bearbeiten des Archivs /var/cache/apt/archives/nvidia-opencl-dev_5.5.22-3ubuntu1_amd64.deb (--unpack):
    Versuch, »/usr/lib/x86_64-linux-gnu/libOpenCL.so« zu überschreiben, welches auch in Paket ocl-icd-libopencl1:amd64 2.1.3-4 ist
  DuplicateSignature: package:nvidia-opencl-dev:5.0.35-7ubuntu1:Versuch, »/usr/lib/x86_64-linux-gnu/libOpenCL.so« zu überschreiben, welches auch in Paket ocl-icd-libopencl1:amd64 2.1.3-4 ist
  ErrorMessage: Versuch, »/usr/lib/x86_64-linux-gnu/libOpenCL.so« zu überschreiben, welches auch in Paket ocl-icd-libopencl1:amd64 2.1.3-4 ist
  SourcePackage: nvidia-cuda-toolkit
  Title: package nvidia-opencl-dev 5.0.35-7ubuntu1 failed to install/upgrade: Versuch, »/usr/lib/x86_64-linux-gnu/libOpenCL.so« zu überschreiben, welches auch in Paket ocl-icd-libopencl1:amd64 2.1.3-4 ist
  UpgradeStatus: Upgraded to trusty on 2013-11-23 (151 days ago)

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