I recall having a similar error, unrelated to darktable. The problem may be with one of the /dev/ati* devices -- it either needs to be world readable/writable, or the user accessing needs to have a certain capability [1]. Unfortunately, I've forgotten precisely which capability it was.
Taahir Ahmed [1] Read 'man 7 capabilities' for an overview. On Thursday 19 March 2015 11:38:45 Christian Iuga wrote: > Hi, > > > I'm was using darktable since more than 1 years without issue on opencl (on > my ATI 7950 XT 2Go of RAM) > > I was using the ati-driver. > > > But now i have update my gnome version (from 3.12 to 3.14) & gnome-shell > was always crashing with ati-drivers > > So i now using the radeon (free) drivers in X11.(with kms) > > Now in darktable, it's refuse to use the opencl with this error : > Error: No root privilege. Please check with the system-admin. > > The fglrx driver is loaded (if don't load it, dartable say a message about > nned to load this module ) > > Do you known why i have this issue ? And how i can fix it ? > > The full info of "darktable -d opencl ": > > roumano@roumano ~ $ 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: 400 > [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: 1 > [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 > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > Error: No root privilege. Please check with the system-admin. > [opencl_init] found 1 platform > [opencl_init] found 1 device > [opencl_init] discarding CPU device 0 `Intel(R) Core(TM) i7-2600K CPU @ > 3.40GHz'. > [opencl_init] no suitable devices found. > [opencl_init] FINALLY: opencl is NOT AVAILABLE on this system. > [opencl_init] initial status of opencl enabled flag is OFF. > > ** (darktable:9077): WARNING **: > [lensfun] /home/roumano/.local/share/ > lensfun/rf-leica.xml:17:43: Unknown > element <cci>! > > [pixelpipe_process] [thumbnail] using device -1 > [pixelpipe_process] [thumbnail] using device -1 > [pixelpipe_process] [thumbnail] using device -1 > [pixelpipe_process] [thumbnail] using device -1 > [pixelpipe_process] [thumbnail] using device -1 > [pixelpipe_process] [thumbnail] using device -1 > [pixelpipe_process] [thumbnail] using device -1
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