[Bug 256216] Re: Ubuntu is missing /dev/infiniband/rdma_cm group ownership udev rule

[Scott James Remnant]

While this is technically correct, by policy, I would hesitate before
applying this to Intrepid.

Too often, upstreams shirk the entire permissions problem by just
telling distributions to "create another group and put users into it".
It's neither a scalable nor even desirable solution, because it isn't a
solution - it's just a workaround.

Instead we should ask more fundamental questions.

What is RDMA?  What kind of user would need access to these device
nodes?  How will they use them?  Are they connected to some kind of
physical hardware attached to the machine, or a pluggable device that
any user who inserts it at their seat would expect to be able to use?

Do users ever use these devices directly, or do they run programs that
access them by talking a special protocol?  Do users even run these
programs at all, or are they daemons that manage the device, and present
a user-space interface of their own?

If a device is present on the system, should any user be able to access
it?  Or is it a privilege only for certain users, or even the system
adminstrator?

-- 
Ubuntu is missing /dev/infiniband/rdma_cm group ownership udev rule
https://bugs.launchpad.net/bugs/256216
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