I finally had the chance to test with the offloading disabled on the server. Unfortunately, the issues remain, may even be more frequent, but I can't rule out confirmation bias on that one. Not sure where to go from here. - mike On Sun, Aug 22, 2021 at 3:00 PM NeilBrown <neilb@xxxxxxx> wrote: > > On Sun, 22 Aug 2021, Mike Javorski wrote: > > 5.12.15-arch1: > > =============== > > 14723 137 0.00921938 > > > > 5.13.12-arch1: (no freezes) > > =============== > > 15333 206 0.013257 > > > > 5.13.12-arch1: (with freezes) > > =============== > > 9230 299 0.0313779 > > > > So a decent bump w/ 5.13, and even more with the freezes. > > Thanks. 9->13 isn't as much as I was hoping for, but it might still be > significant. > > > This machine is an older Opteron server w/ nforce networking. Not sure > > how much offloading it actually does. > > The tcpdump showed the server sending very large packets, which means > that it is at least doing TCP segmentation offload and checksum offload. > Those are very common these days. > > Thanks, > NeilBrown
