Hi Jakub, On 30/09/2025 03:27, Jakub Kicinski wrote: > On Sat, 27 Sep 2025 11:40:36 +0200 Matthieu Baerts (NGI0) wrote: >> This series includes several changes to the MPTCP RX path. The main >> goals are improving the RX performances, and increase the long term >> maintainability. >> >> Some changes reflects recent(ish) improvements introduced in the TCP >> stack: patch 1, 2 and 3 are the MPTCP counter part of SKB deferral free >> and auto-tuning improvements. Note that patch 3 could possibly fix >> additional issues, and overall such patch should protect from similar >> issues to arise in the future. >> >> Patches 4-7 are aimed at introducing the socket backlog usage which will >> be done in a later series to process the packets received by the >> different subflows while the msk socket is owned. >> >> Patch 8 is not related to the RX path, but it contains additional tests >> for new features recently introduced in net-next. > > Could be a coincidence but we got 3 simult_flows.sh flakes since this > was posted. Previous one was 20+ days ago: > https://netdev.bots.linux.dev/contest.html?ld_cnt=250&pw-pass=n&pass=0&test=simult-flows-sh
Thank you for this message! Our CI didn't spot this issue in the last 2 weeks. I see it happened again on NIPA (sorry for that, and thank you for having ignored this selftest) so I guess it is not a coincidence, I'm going to investigate this issue ASAP. Cheers, Matt -- Sponsored by the NGI0 Core fund.
