On 2025-02-26 23:23:30 [+0100], Florian Bezdeka wrote: > > NAPI threads? You have RPS enabled by any chance? > > Would commit > > dad6b97702639 ("net: Allow to use SMP threads for backlog NAPI.") > > 80d2eefcb4c84 ("net: Use backlog-NAPI to clean up the defer_list.") > > With NAPI threads I meant the kernel threads driving the NAPI poll > which can be activated by "echo 1 > /sys/class/net/$device/threaded" > > RPS is build configuration wise enabled but not configured. If RPS is disabled then this might be something else. > As Felix already reported, backporting the mentioned commits to 6.1 > would require some manual work. Simply picking all the dependencies > seems too much for now. Will have a look again... Can you reproduce this on a later (more recent) kernel? What are the steps to reproduce this? Sebastian