Erez, In looking at the VMA github repo
Commits · Mellanox/libvma · GitHub
it seems like there has been some work with ack timers and retransmits between VMA 6.8.3 (which ships with OFED 2.4) and VMA 6.8.4. Should I consider installing a newer version of vma on top of my OFED?
-- Bud