Greg Mann created MESOS-10192:
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Summary: Recent Nvidia CUDA changes break Mesos GPU support
Key: MESOS-10192
URL: https://issues.apache.org/jira/browse/MESOS-10192
Project: Mesos
Issue Type: Bug
Components: agent, containerization, gpu
Reporter: Greg Mann
Recently it seems that the layout of the Nvidia device files has changed:
https://docs.nvidia.com/datacenter/tesla/mig-user-guide/
This prevents GPU tasks from launching:
{noformat}
W0929 17:27:21.002178 65691 http.cpp:3436] Failed to launch container
c08e1fc7-53c4-427e-a1a1-85b770e77d69.738440a3-f4cc-42ce-8978-418ba0011160:
Failed to copy device '/dev/nvidia-caps': Failed to get source dev: Not a
special file: /dev/nvidia-caps
{noformat}
due to this code, which detects the nvidia device files:
https://github.com/apache/mesos/blob/8700dd8d5ece658804d7b7a40863800dcc5c72bc/src/slave/containerizer/mesos/isolators/gpu/isolator.cpp#L438-L454
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