"nvidia-modprobe" was the problem in my case also, actually more than once. Now I have a pasteit on the wall above the monitor "Install nVidia modprobe"
On Tue, 16 Dec 2014 03:08:17 +0100 thokster <[email protected]> wrote: > Did you already try to install "nvidia-modprobe"? > > (.... and reboot) > > > > Am 16.12.2014, 02:45 Uhr, schrieb Bambasti <[email protected]>: > > > Hi, > > > > Thank you for the hint, I tried that, just again to be sure. But > > unfortunately didn't help to solve the problem. :-/ > > > > Also it's is not about failing openCL completely. It just refuses > > to run with the somewhat limited privileges of a normal user - if > > not started as root before. After this everything is fine. So it > > shouldn't be a problem with openCL implementation itself, it must > > be about some permissions, files or variables. > > > > To know what /[opencl_init] could not get platforms: -1001/ means > > could be a good start. > > > > Greetings > > Bambasti > > > > > > > > > > Am 15.12.2014 um 10:30 schrieb Michael Below: > >> > >> Hi, > >> > >> I had similar problems with Debian, first it worked, then I changed > >> something in the OpenCL setup and it stopped working. I have > >> reported my solution on this list some time ago, basically I > >> purged all the NVidia packages, rebooted, and installed them > >> again. Try searching the list archive for details. The Nvidia > >> packages seem to be a bit flaky. > >> > >> Cheers > >> > >> Michael > >> > >> *Von:*Bambasti [mailto:[email protected]] > >> *Gesendet:* Montag, 15. Dezember 2014 09:41 > >> *An:* [email protected] > >> *Betreff:* [Darktable-users] Problem with openCL > >> > >> Hello! > >> > >> I ran into a little problem, since updating to DT 1.6 (darktable > >> 1.6.0+31~g7532b94 at the moment, to be more precise) openCL doesn't > >> work anymore. > >> > >> Well, kind of. > >> > >> First I tried the usual things to bring it back to life, like > >> installing the latest Nvidia drivers plus adding or flipping some > >> packages. Without any luck, that error message kept the same: > >> > >> / > >> //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] found opencl runtime library 'libOpenCL' > >> [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. > >> // > >> > >> /At least it seems to tell me that openCL in general is > >> functional. I just don't understand where /"could not get > >> platforms: -1001"/ does come from and how to fix it. > >> > >> So I rolled back to Nvidia driver 331 and tried this: > >> > >> / > >> sudo darktable -d opencl > >> > >> WARNING: either your user id or the effective user id are 0. are > >> you running darktable as root? > >> [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] found opencl runtime library 'libOpenCL' > >> [opencl_init] opencl library 'libOpenCL' found on your system and > >> loaded [opencl_init] found 1 platform > >> [opencl_init] found 1 device > >> [opencl_init] device 0 `GeForce GTX 770' has sm_20 support. > >> [opencl_init] device 0 `GeForce GTX 770' supports image sizes of > >> 32768 x 32768 > >> [opencl_init] device 0 `GeForce GTX 770' allows GPU memory > >> allocations of up to 511MB > >> [opencl_init] device 0: GeForce GTX 770 > >> GLOBAL_MEM_SIZE: 2047MB > >> MAX_WORK_GROUP_SIZE: 1024 > >> MAX_WORK_ITEM_DIMENSIONS: 3 > >> MAX_WORK_ITEM_SIZES: [ 1024 1024 64 ] > >> DRIVER_VERSION: 331.113 > >> DEVICE_VERSION: OpenCL 1.1 CUDA > >> [opencl_init] compiling program `demosaic_ppg.cl' .. > >> [opencl_load_program] loaded cached binary program from file > >> `/home/bambasti/.cache/darktable/cached_kernels_for_GeForceGTX770/demosaic_ppg.cl.bin' > >> [opencl_load_program] successfully loaded program from > >> `/usr/share/darktable/kernels/demosaic_ppg.cl' > >> [opencl_build_program] successfully built program// > >> > >> > >> /As you can see running DT as root makes openCL working like a > >> charm again and it even keeps working if, what seems to be > >> recommended, it is restarted with a normal user afterwards - just > >> only until the machine is rebooted. > >> > >> Is this already some known problem with a workaround yet? For now > >> I'm really happy that it is running again at all because it is so > >> much faster and more responsive than using a CPU, no matter how > >> fast that one is. > >> > >> > >> (K)Ubuntu 14.04 (3.13.0-43-generic #72-Ubuntu SMP Mon Dec 8 > >> 19:35:06 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux) and Nvidia > >> drivers 331.113-0ubuntu0.0.4 from (again) the official repository. > >> Newer version 346 didn't work either, so I switched back to the > >> original one. > >> > >> > >> Thank you & best regards > >> > >> Bambasti > >> > >> > >> > >> ------------------------------------------------------------------------------ > >> Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server > >> from Actuate! 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