https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1964512
Bug #1964512 “Low RX performance for 40G Solarflare NICs” : Bugs : linux package : Ubuntu
[Impact] * Some 40G Solarflare NICs have low RX performance in some cases, due low RX recycle ring size * RX recycle ring size is either 4096 for IOMMU, 16 for...