Victor,
On 30/08/14 11:55, Victor L wrote:
> I added 3 symlinks:
>
> $ sudo find / -iname libOpenCL.so -exec ls -l {} \;
> lrwxrwxrwx 1 root root 45 août 30 12:51
> /usr/lib/x86_64-linux-gnu/libOpenCL.so ->
> /usr/lib/i386-linux-gnu/libnvidia-opencl.so.1
> lrwxrwxrwx 1 root root 45 août 30 12:48 /usr/lib/libOpenCL.so ->
> /usr/lib/i386-linux-gnu/libnvidia-opencl.so.1
> lrwxrwxrwx 1 root root 45 août 30 12:51
> /usr/lib/i386-linux-gnu/libOpenCL.so ->
> /usr/lib/i386-linux-gnu/libnvidia-opencl.so.1
>
> Unfortunately it doesn't help, and darktable doesn't give much
> information about where it looks for libOpenCL!
>
> [opencl_init] trying to load opencl library: '<system default>'
> [opencl_init] could not find opencl runtime library 'libOpenCL'
/usr/lib/libOpenCL.so is the right place as that where mine is (I'm
using an Intel graphics card though not Nvidia).
>From the file names though, it looks like it may be pointing to a 32-bit
opencl library and DT may require a 64-bit version?
Just a thought.
Regards,
Tony.
> 2014-08-30 0:04 GMT+02:00 Tony Moore <[email protected]
> <mailto:[email protected]>>:
>
> it might be looking for libOpenCL.so. Try adding a link from
> libOpenCL.so.1
>
> tony
>
>
>
> On Fri, Aug 29, 2014 at 2:23 PM, Victor L <[email protected]
> <mailto:[email protected]>> wrote:
>
> Hello,
>
> OpenCL was previously working without having anything to do but
> after installing the Nvidia CUDA toolkit I can't get it working
> again.
>
> The driver when it was working was 331.38 (I still have some
> cached_kernels_for_GeForceGTX770). I'm on Ubuntu 14.04
>
> My graphic card is a GeForce GTX 770, I kept the drivers version
> at 331.38
>
> ii nvidia-331
> 331.38-0ubuntu7.1 amd64
> NVIDIA binary driver - version 331.38
> ii nvidia-libopencl1-331
> 331.38-0ubuntu7.1 amd64
> NVIDIA OpenCL Driver and ICD Loader library
> ii nvidia-opencl-icd-331
> 331.38-0ubuntu7.1 amd64
> NVIDIA OpenCL ICD
> ii nvidia-prime
> 0.6.2 amd64
> Tools to enable NVIDIA's Prime
> ii nvidia-settings
> 331.20-0ubuntu8 amd64
> Tool for configuring the NVIDIA graphics driver
>
> $ sudo find / -iname libopencl*
> /usr/lib/x86_64-linux-gnu/libOpenCL.so.1.0
> /usr/lib/x86_64-linux-gnu/libOpenCL.so.1
> /usr/lib/x86_64-linux-gnu/libOpenCL.so.1.0.0
> /usr/lib/i386-linux-gnu/libOpenCL.so.1.0
> /usr/lib/i386-linux-gnu/libOpenCL.so.1
> /usr/lib/i386-linux-gnu/libOpenCL.so.1.0.0
>
> $ cat /etc/OpenCL/vendors/nvidia.icd
> libnvidia-opencl.so.1
>
> $ darktable -d opencl
> [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: 0
> [opencl_init] opencl_synch_cache: 0
> [opencl_init] opencl_number_event_handles: 25
> [opencl_init] opencl_micro_nap: 1000
> [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] could not find opencl runtime library 'libOpenCL'
> [opencl_init] no working opencl library found. Continue with
> opencl disabled
> [opencl_init] FINALLY: opencl is NOT AVAILABLE on this system.
> [opencl_init] initial status of opencl enabled flag is OFF.
>
> How can I specify the path for the OpenCL library ?
> Any help is appreciated!
>
> Bye
>
>
>
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>
> --
> Tony Moore
> [email protected] <mailto:[email protected]>
>
>
>
>
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--
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Head of IT Security, Fax: +44 (0) 705 344 3082
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