Hello, Adrian. You wrote 12 августа 2013 г., 21:34:04: AC> Hm. OK. AC> What I want is the code path _in_ that's queuing a frame via AC> ieee80211_vap_transmit() with m_nextpkt set to NON-NULL. I could set breakpoint on "printf()" from patch and get backtrace when it will be hit. Is it enough? -- // Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>