On 2016-11-29 21:50, Ulrich Pegelow wrote:

Am 30.11.2016 um 00:23 schrieb Mark Heieis:
some darktable-cltest  output:

[opencl_init] found opencl runtime library 'libOpenCL.so.1'
[opencl_init] opencl library 'libOpenCL.so.1' found on your system and loaded
[opencl_init] found 1 platform
[opencl_init] found 1 device

Your system does in fact support OpenCL.

[opencl_init] discarding device 0 `AMD CAICOS (DRM 2.46.0 /
4.8.8-300.fc25.x86_64, LLVM 3.8.0)' due to missing image support.

But your device lacks an important OpenCL feature (image support). Without that feature the corresponding device is of no use for darktable.
Fair enough, but I'm not familiar enough with video/gpu to know where to look. What lib, driver, package, etc does the image support come from?

[opencl_init] no suitable devices found.
[opencl_init] FINALLY: opencl is NOT AVAILABLE on this system.
[opencl_init] initial status of opencl enabled flag is OFF.
[iop_load_module] failed to open operation `OpenCL':
'dt_module_dt_version': /lib64/libOpenCL.so.1: undefined symbol:
dt_module_dt_version

Please double-check your installation. The last line indicates a problem. Could there be a stray dynamic library of an older install lying around?
It's a fresh, clean F25 install using wayland, so there shouldn't be any old residual libs around.
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