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. HTH, Andreas
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