[tc][neutron] Supported Linux distributions and their kernel

Adrian Chiris adrianc at mellanox.com
Thu Sep 5 15:10:17 UTC 2019


Greetings,
I was wondering what is the guideline in regards to which kernels are supported by OpenStack in the various Linux distributions.

Looking at [1], Taking for example latest CentOS major (7):
Every  "minor" version is released with a different kernel version,
the oldest being released in 2014 (CentOS 7.0, kernel 3.10.0-123) and the newest released in 2018 (CentOS 7.6, kernel 3.10.0-957)

While I understand that OpenStack projects are expected to support all CentOS 7.x releases.
Does the same applies for the kernels they originally came out with?

The reason I'm asking, is because I was working on doing some cleanup in neutron [2] for a workaround introduced because of an old kernel bug,
It is unclear to me if it is safe to introduce this change.

[1] https://governance.openstack.org/tc/reference/project-testing-interface.html#linux-distributions
[2] https://review.opendev.org/#/c/677095/

Thanks,
    Adrian.

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