https://news.ycombinator.com/item?id=15781788 https://news.ycombinator.com/item?id=15781788 > The Intel Puma 6 and Puma 7 chipsets have a performance issue in

https://news.ycombinator.com/item?id=15781788 https://news.ycombinator.com/item?id=15781788 > The Intel Puma 6 and Puma 7 chipsets have a performance issue in a part of the packet processing that is specific to TCP/IP, which went undetected for awhile because "ping" packets are not TCP/IP. [...] (And/or because just running "ping" a few times might not catch the issue if it doesn't happen at the same time as the lag spike.)