https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287625
--- Comment #7 from Bjoern A. Zeeb <b...@freebsd.org> --- I posted a possible change at https://reviews.freebsd.org/D50923 for review. If I read your crashdump correct (and line numbers seem to confirm) you do not get HT information elements form your AP when doing 11ac. A bit hard to say on the exact condition or what is going on without a packet capture. If we really wanted to confirm you'd have to have the kernel rebuild with the change to hopefully no longer crash (though I am suspecting there will be more places); then bring up the wlan0 interface but no wpa_supplicant started yet. Make sure the wlan0 interface is UP. Then run tcpdump -ln -e -s0 -vvv -i wlan0 -y IEEE802_11_RADIO -w /var/tmp/pr287625-01.pcap and then in another terminal start wap_supplicant. Ideally you would run the tcpdump on another device but you'd have to put yourself into montor mode (needs to be supported) and set the channel manually upfront for where your BSSID is that you are going to assoc to on this device. -- You are receiving this mail because: You are on the CC list for the bug.