Hi Ulrich, for some reason I didn't receive your mail... I will check 
with the drivers again. Do you have any link or other useful resource on 
the topic? Thanks

On 2013-10-12 18:36, David Vincent-Jones wrote:
> I am hopeful that the soon to be released Ubuntu 13.10 with the upgraded
> kernel and new nvidia driver will solve the same problem for me without
> having to go the aggravating  bumblebee route.
>
> David
>
> On 13-10-12 05:00 PM, Ulrich Pegelow wrote:
>> This is most likely caused by missing or bogus OpenCL configuration
>> files under /etc/OpenCL/vendors. In that folder you should have a file
>> nvidia.icd with one line containing something like
>> "libnvidia-opencl.so.1" (without quotation marks). libnvidia-opencl.so.1
>> needs to be a symbolic link to the dynamic library that fits to your
>> driver version number. In my case it's a link to
>> libnvidia-opencl.so.319.32.
>>
>> On my systems I need to install the package
>> nvidia-computeG03-319.32-15.1.x86_64 and all its dependencies to have
>> everything set up correctly and I need to make sure that the nvidia
>> kernel driver is loaded.
>>
>> Ulrich
>>
>> Am 12.10.2013 16:01, schrieb [email protected]:
>>> Hi!
>>>
>>> I'm having trouble getting Darktable to use OpenCL on my laptop with
>>> discrete Nvidia graphics aka Nvidia Optimus (I'm using Bumblebee). I get
>>> the following output when running optirun darktable -d opencl -d perf
>>>
>>> [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_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.
>>>
>>> Any suggestions on how to fix this? Would be wonderful :)
>>>
>>> cheers Paul
>>>
>> ------------------------------------------------------------------------------
>> October Webinars: Code for Performance
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>>
>
> ------------------------------------------------------------------------------
> October Webinars: Code for Performance
> Free Intel webinars can help you accelerate application performance.
> Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from
> the latest Intel processors and coprocessors. See abstracts and register >
> http://pubads.g.doubleclick.net/gampad/clk?id=60134071&iu=/4140/ostg.clktrk
> _______________________________________________
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> https://lists.sourceforge.net/lists/listinfo/darktable-users


------------------------------------------------------------------------------
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Free Intel webinars can help you accelerate application performance.
Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from 
the latest Intel processors and coprocessors. See abstracts and register >
http://pubads.g.doubleclick.net/gampad/clk?id=60134071&iu=/4140/ostg.clktrk
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