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From Kevin Klues <>
Subject Review Request 45715: Added support to grant access to /dev/nvidiactl in Nvidia GPU isolator.
Date Mon, 04 Apr 2016 23:41:39 GMT

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Review request for mesos, Ben Mahler, Rob Todd, and Vikrama Ditya.

Bugs: MESOS-5115

Repository: mesos


Previously, calls to 'nvidia-smi' would fail inside a container even
if access to a GPU had been granted. Moreover, access to
/dev/nvidiactl is actually required for a container to do anything
useful with a GPU even if it has access to it.

This patch explicitly grants/revokes access to /dev/nvidiactl as GPUs
are added and removed from a container in the Nvidia GPU isolator.


  src/slave/containerizer/mesos/isolators/cgroups/devices/gpus/nvidia.cpp b0f58035c7c819b42e5f249fadd97312f9e3ac7b




Kevin Klues

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