[Beowulf] RHEL7 kernel update for L1TF vulnerability breaks RDMA

Chris Samuel chris at csamuel.org
Mon Sep 10 22:33:03 PDT 2018

On Tuesday, 11 September 2018 9:17:21 AM AEST Ryan Novosielski wrote:

> So we’ve learned what, here, that RedHat doesn’t test the RDMA stack at all?

It certainly does seem to be the case.  Unlike other issues I've hit in the 
past with bugs introduced in the IB stack in 6.x -> 6.y transitions where 
they've needed more hardware than you could reasonably expect them to have to 
be able to spot the bug this is a pretty fundamental failure.

 Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC

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