I directed you to the thread below, where myself and others mentioned how to overcome the issues of the later NVIDIA drivers running on newer kernels/ubuntu distros: 334.21 driver returns 999 on cuInit (CUDA) - Linux - NVIDIA Developer Forums That issue is neither NVIDIA’s or BOINC’s… it’s an issue of who packaged the drivers and any relevant bugs should be filed against it. I never said there wasn’t a problem with the drivers that Ubuntu has in their repositories, in fact I know that the xorg-edgers repository’s 337 drivers include an older kernel 3.12 patch that fails to build nvidia-uvm, probably causing the issues you’re experiencing, possibly mingled with a missing /etc/OpenCL/vendors/nvidia.icd file pointing to the OpenCL library like I mentioned before. We return to the top, if not manually installed NVIDIA registering with DKMS everything works perfectly, including BOINC Note: You must install the ppa “xorg-edgers fresh X crack” to access all of Nvidia drivers. NVIDIA GPUs drivers present but not found
Ubuntu to install it only gives an option if the Nvidia 331.38 BOINC works with, as I said before, but when you upgrade from “Software Updates + Additional Drivers”, a top driver system works perfectly but fails to locate BOINC GPUs installed. Made a complete clean install of Ubuntu 14.04-64bit to install the Nvidia 331.67 driver fails to locate BOINC GPUs.
Setup… NVIDIA 337.12 drivers, BOINC 7.3.11, and able to run work units from PrimeGrid on CUDA and OpenCL on my GTX Titan Black and Quadro K6000 GPUs just fine… so it’s not a BOINC or NVIDIA issue, simply a misconfiguration on your system. Out of curiosity, I tried out BOINC on Ubuntu 14.04 and it works just fine for me…
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