Re: New Octave package "OCL" providing OpenCL support

[Matthias W. Klein]

I added a "Troubleshooting" section in OCL's README file, including a
list of steps / commands to test, whenever OpenCL issues or segfaults
appear.

See the tip version of README:
https://sourceforge.net/p/octave-ocl/code/ci/default/tree/README

This description reflects some experience made, but can still be
considered (advanced) work in progress.

Can you try and comment?

Matt

On 03.05.2019 23:20, Colin Macdonald wrote:
> On 2019-05-04 4:36 a.m., Matthias W. Klein wrote:
> > thanks for your hints. In short, this triggered package version 0.9.1.
>
> That's much better and gave me a hint what was wrong: a missing slash,
> filed issue for you https://sourceforge.net/p/octave-ocl/tickets/3/
>
> - - - - -
>
> Now I get a segfault, but at least I've got somewhere to start:
>
> octave:3> ocl_double (rand (10, 10))
> error: ocl_double: libOpenCL.so: failed to load: libOpenCL.so: cannot
> open shared object file: No such file or directory
> error: ocl_double: octave's dynamic library loader reported an error
> while dynamically loading the OpenCL library
>   consider manual inspection with 'ocl_lib' function.
>
> octave:4> ocl_lib ("lib_path_filename", '/usr/lib64/', 'libOpenCL.so.1')
>
> octave:5> ocl_double (rand (10, 10))
> X server found. dri2 connection failed!
> panic: Segmentation fault -- stopping myself...
> attempting to save variables to 'octave-workspace'...
> save to 'octave-workspace' complete
> Segmentation fault (core dumped)
>
> Oh well, progress at least ;-)  Hints what to try next?
>
> Colin