Hi, First of all, could you try this [1] with latest vpp? It’s really interesting that iperf does not exhibit this issue.
Regarding your config, some observations: - I see you have configured 4 worker. I would then recommend to use 4 rx-queues and 5 tx-queues (main can send packets), as opposed to 2. - tcp defaults to cubic, so config can be omitted. - evt_qs_memfd_seg is not deprecated, so it can be omitted as well - any particular reason for "set interface rx-mode eth1 polling”? dpdk interfaces are in polling mode by default - you’re using binary api socket "api-socket-name /run/vpp/api.sock”. That works, but going forward we’ll slowly deprecate that api. So it’d recommend using the app socket api. See for instance [2] for changes needed to session stanza and vcl. Regards, Florin [1] https://gerrit.fd.io/r/c/vpp/+/38529 [2] https://wiki.fd.io/view/VPP/HostStack/LDP/iperf > On Mar 20, 2023, at 5:50 AM, Chen Weihao <chenwei...@outlook.com> wrote: > > Thanks for your reply. > I give a more detailed backtrace and config in > https://lists.fd.io/g/vpp-dev/message/22731. > <https://lists.fd.io/g/vpp-dev/message/22731,>My installation method is to > clone vpp from github and make build on Ubuntu 22.04(Kernel version is > 5.19)，and I use make run for test and make debug for debugging. Yes, I yried > to make the server and client are attached to the same vpp instance.I tried > the latest version of vpp on github on yesterday, the problem is still exist. > I am looking forward to your reply. > > > >
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