Since I've upgraded to Nvidia 331.67 I cannot get OpenCL to work. I
have run darktable with -d open and got:
[opencl_init] opencl related configuration options:
[opencl_init]
[opencl_init] opencl: 1
[opencl_init] opencl_library: ''
[opencl_init] opencl_memory_requirement: 768
[opencl_init] opencl_memory_headroom: 300
[opencl_init] opencl_device_priority: '*/!0,*/*/*'
[opencl_init] opencl_size_roundup: 16
[opencl_init] opencl_async_pixelpipe: 1
[opencl_init] opencl_synch_cache: 0
[opencl_init] opencl_number_event_handles: 100
[opencl_init] opencl_micro_nap: 0
[opencl_init] opencl_use_pinned_memory: 0
[opencl_init] opencl_use_cpu_devices: 0
[opencl_init] opencl_avoid_atomics: 0
[opencl_init] opencl_omit_whitebalance: 0
[opencl_init]
[opencl_init] trying to load opencl library: '<system default>'
[opencl_init] opencl library 'libOpenCL' found on your system and loaded
[opencl_init] could not get platforms: -1001
[opencl_init] FINALLY: opencl is NOT AVAILABLE on this system.
[opencl_init] initial status of opencl enabled flag is OFF.
This -1001 issue is usually because the vendor OpenCL library is not
found. But this is not the problem here as under strace I have seen
that the proper vendor library is searched and loaded. The relevant
lines are:
6633 open("/etc/OpenCL/vendors/nvidia.icd", O_RDONLY) = 5
...
6633 open("/usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.331.67",
O_RDONLY|O_CLOEXEC) = 6
So I'm wondering if there is not an issue with this specific version
of Nvidia driver.
Any feedback?
--
Pascal Obry / Magny Les Hameaux (78)
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