Tested and it works using the master branch from the git repo. Thanks! -- Aaron Myles Landwehr
On Fri, Apr 14, 2017 at 11:21 AM, Andreas Kloeckner <li...@informa.tiker.net > wrote: > Aaron Myles Landwehr <a...@udel.edu> writes: > > > I figured out the issue. As I thought, it is a bug in the context > creation > > of pyopencl. Essentially properties that are passed to cl.Context() as > > pointer types are handled incorrectly. The code takes the address of the > > pointer type instead of getting the address it points to; ergo, the > context > > is invalid and causes segfaults when the underlying OpenCL runtime tries > to > > interpret it. > > > > > > After the following modifications within cffi_cl.py, the example interop > > code provided with pyopencl runs and displays the particle fountain: > > > > def _parse_context_properties(properties): > > ... > > from ctypes import _Pointer, addressof > > from ctypes import cast # add this > > > > if isinstance(value, _Pointer): > > #val = addressof(value) # remove this > > val = cast(value, ctypes.c_void_p).value # add this > > else: > > val = int(value) > > Thanks for investigating and finding a fix. Now in master: > > https://github.com/pyopencl/pyopencl/commit/21008183734b9d13ae2c40ea2e3bde > c20ac70250 > > It'd be great if you could try that and let me know if it works. > > Andreas >
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