On Tue, Jan 19, 2021 at 4:59 AM Lukasz Wojciechowski <l.wojciec...@partner.samsung.com> wrote: > > According to the discussion in this thread: > https://protect2.fireeye.com/v1/url?k=24ecce33-7b77f77c-24ed457c-0cc47a30 > d446-e317a6beb8cfa273&q=1&e=f8bb12df-3698-4bce-a7b7-d72e22b91431&u=https% > 3A%2F%2Finbox.dpdk.org%2Fdev%2FCAOE1vsOehF4ZMOWffpEv%3DQF6YOc5wXtg23PV83B > 9CLiTMn8wQA%40mail.gmail.com%2F%23r > > I was able to reproduce the distributor test failure in the exactly same > way as described, but on x86_64 machine with 32 cores. > So it does not seem to be the problem related to the ARM architecture. > IMO issue occurs when there are many worker threads returning at the same > time packets. > > I was not able to observe the issue on ARM devices, but I used only > machines with 4 cores. So that is max 3 worker cores, > so maximum of 32*3 = 96 packets processed at the same time > which is less than 127 , so the issue cannot occur. > > Can anyone verify this patch on a machine similar to one used in CI lab, > on which the issue occurred?
Thanks for looking at it, Lukasz. Unfortunately, I can't reproduce it on my x86 system (26 workers in the test) and I don't have a ARM machine. -- David Marchand