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Sorry if this is a Cuda question. Not much help on the NVidia forum with respect to Cuda 6 on Linux.
My question is related to post https://bbs.archlinux.org/viewtopic.php?id=177991
Relevant upgrades as of March 17 :
opencl-nvidia (331.38-1 -> 334.21-5)
cuda (6.0.26_rc-2 -> 6.0.26_rc-3)
upgraded nvidia-libgl (331.38-1 -> 334.21-5)
At a fresh boot, Cuda does not create a usable device until a (single, first-time) Cuda application is run as root. Currently I am solving the problem by running the deviceQuery Cuda sample as root immediately after each boot.
None of the suggestions on the post cited above produce a permanent solution. This applies also to the NVidia forum post referenced in the above post.
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