Hi Stefan, * Stefan Sperling wrote: > > I think a packet capture could shed some light on this. > I would not be surprised if slowdowns coincide with your neighbours > watching video streams or something over wifi.
What's strange is that this does not affect me with the kernel from Dec 8. > I use a separate iwn(4) device in monitor mode for this, and: > tcpdump -n -i iwn0 -s 4096 -y IEEE802_11_RADIO -w /tmp/iwn.pcap > This captures data, management, and control frames. Most other drivers > omit some of these which makes it hard to figure out what's going on. I did a dump on the same machine and uplodaed it: https://kappa.xosc.org/misc/iwm.pcap.gz If it helps further I'll record a dump from a second machine tomorrow. I have the second system with iwm and another that I could set up with an iwn. > If you open iwn.pcap in wireshark you can go to Wireless -> WLAN Traffic > to see some aggregated stats of what's going on around you. A lot of other WLANs, some beacon frames from others but no packets. Cheers Matthias
