[winswitch] Problem on Polaris

[Antoine Martin]

On 03/11/16 09:45, sivmu via shifter-users wrote:
> Hello everyone,
> 
> Using the new Polaris10 AMD RX480 GPU, I get several failures in the
> logs and it takes at least 15 seconds to connect the client.
> 
> Tested on archlinux with version 0.17.6
> 
> Anyone an idea how to figure this one out?
> 
> Log extract:
> 
> cannot build the OpenCL program: clBuildProgram failed:
> BUILD_PROGRAM_FAILURE -
> Build on <pyopencl.Device 'AMD POLARIS10 (DRM 3.3.0 / 4.8.4-1-ARCH, LLVM
> 3.9.0)' on 'Clover' at 0x55f4fb28ea08>:
> error: unknown target CPU 'polaris10'
> error: unknown target CPU 'polaris10'
This looks like a bug in python-opencl.
Just disable the opencl csc converter, ie this should be enough:
--csc-modules=libyuv
You can verify which ones are active with:
xpra info | grep csc

Cheers
Antoine


> (options: -I /usr/lib/python2.7/site-packages/pyopencl/cl)
> (source saved as /tmp/tmpAQzs_b.cl)
> Traceback (most recent call last):
> File
> "/usr/lib/python2.7/site-packages/xpra/codecs/csc_opencl/colorspace_converter.py",
> line 441, in bui
> program.build()
> File "/usr/lib/python2.7/site-packages/pyopencl/__init__.py", line 438,
> in build
> options_bytes=options_bytes, source=self._source)
> File "/usr/lib/python2.7/site-packages/pyopencl/__init__.py", line 473,
> in _build_and_catch_errors
> raise err
> RuntimeError: clBuildProgram failed: BUILD_PROGRAM_FAILURE -
> Build on <pyopencl.Device 'AMD POLARIS10 (DRM 3.3.0 / 4.8.4-1-ARCH, LLVM
> 3.9.0)' on 'Clover' at 0x55f4fb28
> error: unknown target CPU 'polaris10'
> error: unknown target CPU 'polaris10'
> (options: -I /usr/lib/python2.7/site-packages/pyopencl/cl)
> (source saved as /tmp/tmpAQzs_b.cl)
> all warnings:
> Warning: csc_opencl failed its self test
> cannot build the OpenCL program: clBuildProgram failed:
> BUILD_PROGRAM_FAILURE -
> Build on <pyopencl.Device 'AMD POLARIS10 (DRM 3.3.0 / 4.8.4-1-ARCH, LLVM
> 3.9.0)' on 'Clover' at 0x55f4fb28
> error: unknown target CPU 'polaris10'
> error: unknown target CPU 'polaris10'
> (options: -I /usr/lib/python2.7/site-packages/pyopencl/cl)
> (source saved as /tmp/tmpAQzs_b.cl)
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