OpenCL Issues

Jan Beich jbeich at
Mon Jul 17 06:53:36 UTC 2017

Steven Nikkel <steven_nikkel at> writes:

> On 2017-07-14 6:11 PM, Jan Beich wrote:
>> Steven Nikkel <steven_nikkel at> writes:
>>> On 2017-07-14 8:13 AM, Jan Beich wrote:
>>>> See
>>> Thanks, work around from the bug report solves my issue with beignet
>>> and I can successfully use OpenCL on that host.
>>              ^^^^^^^^^^^
>> Awesome! I'd like to update the port to a snapshot to pick up the fix in
>> question upstream, LLVM 4.0 support, more optimizations and catch
>> regressions early. Can you give it a try?
>> (see Download Raw Diff)
> The update builds and installs. It runs clinfo fine, but I'm getting
> errors in my CL app, looks like it can't find the cl_amd_media_ops
> extension. Not sure where that error comes from as it's fine in the
> 1.3.1 from the existing port.

What does clinfo show? Is cl_amd_media_ops listed in among extensions?
Can you try building against LLVM 3.9 (MESA_LLVM_VER=39) or LLVM 5.0
(MESA_LLVM_VER=-devel) via lang/beignet/Makefile.local? Can you post
a link to the source, assuming it's an open project?

I can't reproduce and not familar enough with OpenCL to guess. Maybe bisect.

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