Am 07.08.2017 um 04:03 schrieb David Vincent-Jones:
I have just moved my openSUSE version from 42.2 to 42.3 and now dt does
not appear to recognize the installed openCL.
[opencl_init] could not find opencl runtime library 'libOpenCL'
[opencl_init] could not find opencl runtime library 'libOpenCL.so'
[opencl_init] found opencl runtime library 'libOpenCL.so.1'
[opencl_init] opencl library 'libOpenCL.so.1' found on your system and
loaded
This tells us that at libOpenCL.so.1 is present on your system and
darktable has been able to load it.
[opencl_init] could not get platforms: -1001
That tells us that libOpenCL.so.1 failed when checking for available GPUs.
I assume you have some NVIDIA card.
Please try the following. As root call program clinfo (should be
supplied by package clinfo-2.0.15.03.24-2.3.x86_64 or the like). Then
start darktable again as a normal user. If darktable now works with
OpenCl this is an indication of a permission issue on your system.
NVIDIA relies on a program /usr/bin/nvidia-modprobe that needs to be set
SUID root. I found that frequently distributions remove the SUID bit for
security reasons. It's up to you if you set it manually (chmod +s
/usr/bin/nvidia-modprobe).
Ulrich
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