opencl support has been implemented a little differently in debian,
using ocl-icd-libopencl1, which avoids this bug, which should not be
present anymore now.
** Changed in: opencv (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1245260
Title:
Installing libopencv-dev breaks OpenGl for Intel based gpu
Status in opencv package in Ubuntu:
Fix Released
Bug description:
Installing libopencv-dev on Saucy installs also nvidia-319-updates and
nvidia-settings-319-updates (indirect dependency through libopencv-
ocl-dev), regardless of what GPU is being used.
The above mentioned packages install also NVidia's GLX module, that
fails to load on non NVidia GPUs (Intel GMA in this case) and that in
turn prevents running OpenGl applications.
Summary:
Description: Ubuntu 13.10
Release: 13.10
Packages in question:
libopencv-dev 2.4.5+dfsg-0ubuntu4
libopencv-ocl-dev 2.4.5+dfsg-0ubuntu4
libopencv-ocl2.4 2.4.5+dfsg-0ubuntu4
nvidia-319-updates 319.60-0ubuntu1
nvidia-settings-319-updates 319.60-0ubuntu1
Steps to reproduce:
On system running non NVidia GPU (Intel GMA in my case) run:
sudo apt-get install libopencv-dev
Log out/log in or reboot to restart X
Result:
Excerpts from Xorg.0.log:
[ 11149.382] (II) Loading
/usr/lib/x86_64-linux-gnu/xorg/extra-modules/libglx.so
[ 11149.716] (II) Module glx: vendor="NVIDIA Corporation"
[ 11149.716] compiled for 4.0.2, module version = 1.0.0
[ 11149.716] Module class: X.Org Server Extension
[ 11149.716] (II) NVIDIA GLX Module 319.60 Wed Sep 25 14:24:11 PDT 2013
[ 11149.728] Loading extension GLX
...
[ 11150.063] (EE) Failed to initialize GLX extension (Compatible NVIDIA X
driver not found)
Other symptoms:
sbuilder@netty:~$ glxgears
Xlib: extension "GLX" missing on display ":0.0".
Error: couldn't get an RGB, Double-buffered visual
sbuilder@netty:~$ glxinfo
name of display: :0.0
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Error: couldn't find RGB GLX visual or fbconfig
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Error: couldn't find RGB GLX visual or fbconfig
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".
Would it be possible to somehow decouple the libopencv-dev from those NVidia
stuff, so installing the former doesn't break the OpenGl?
Kind regards,
Michal Navratil
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