On Wed, Jul 05, 2017 at 09:02:12AM +0200, BERTRAND Jo?l wrote: > filt_sowdetach() at filt_sowdetach+0x3f > knote_detach() at knote_detach+0x70 > kevent1() at kevent1+0x686 > sys___kevent50() at sys___kevent50+0x33 This is likely fixed by: https://mail-index.netbsd.org/source-changes/2017/07/01/msg085934.html