NOTE_TRACK, EVFILT_PROC, kqueue, and subreapers

[Jonathan de Boyne Pollard]

Martin "eto" Misuth:
> I think that might be the reason why my PID1 s6-svscan on FreeBSD is 
> accumulating zombies sometimes (seems like it is affected by dead 
> descendants of ssh and my experiments). [...]
> Anyway as you are probably much closer to FreeBSD team than I am, [...]

I'm not.  You have the same access as I and the rest of the world have.

For what it's worth, I've seen similar behaviour with zombies lying 
around.  If we can nail it down you can file a kernel bug report.

Have you checked that you aren't getting a NOTE_EXIT?