Mellanox MT26448 card has packet drops after upgrading to RHEL 6.3
Issue
- Seeing packet loss on Mellanox MT26448 after upgrading from RHEL 6.2 to RHEL 6.3 and greater.
- This happens on the ConnectX2 cards but not the ConnectX3 cards.
- The drops occurred when around 300-500K multicast packets per second were being sent.
Environment
- Red Hat enterprise Linux
- kernel 2.6.32-279.22.1.el6.x86_64
- Mellanox MT26448
- irqbalance
- Dell PowerEdge R610
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