Hello, Lev. You wrote 12 января 2012 г., 15:00:20: >> But what mav says makes sense. > It is it -- stack size. Setting KSTACK_PAGES=6 fixes situation. OOOPS. Not. After another 5 minutes ng_queue again consumes 100% CPU :( -- // Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>