Just to make sure: libcuda.so is provided along with the nvidia driver while the other .so files (e.g. cudart, curand) are provided by cudatoolkit, correct?
On Tue, May 22, 2012 at 3:54 PM, Thomas Wiecki <thomas_wie...@brown.edu> wrote: > On Tue, May 22, 2012 at 2:04 PM, Andreas Kloeckner > <li...@informa.tiker.net> wrote: >> On Tue, 22 May 2012 13:55:36 -0400, Thomas Wiecki <thomas_wie...@brown.edu> >> wrote: >>> Hi, >>> >>> I updated various packages (e.g. ugpraded cuda to 4, most recent >>> pycuda, ubuntu nvidia-dev drivers) on ubuntu 11.10. Pycuda was working >>> fine before, but after rebuilding and reinstalling the newest version >>> I get: >>> >>> ImportError: >>> /usr/local/lib/python2.7/dist-packages/pycuda-2011.2.2-py2.7-linux-x86_64.egg/pycuda/_driver.so: >>> undefined symbol: cuMemAllocPitch_v2 >>> >>> When I import pycuda.gpuarray. Any ideas? >> >> Your CUDA headers don't match your installed libcuda.so. Check the >> versions of both. > > Thanks, it was indeed caused by old cuda devel files floating around > from a launchpad package I installed earlier. I think I cleaned all of > that up and now only the cudatoolkit (4.1.28) is installed. However, > now I get: > > ImportError: > /usr/local/lib/python2.7/dist-packages/pycuda-2011.2.2-py2.7-linux-x86_64.egg/pycuda/_driver.so: > undefined symbol: cuTexRefSetAddress2D_v3 > > /usr/lib/libcuda.so (which _driver.so is linked to) seems to have this > symbol so I'm not sure why it can't be found. Any ideas? _______________________________________________ PyCUDA mailing list PyCUDA@tiker.net http://lists.tiker.net/listinfo/pycuda
