Re: NOTE_TRACK, EVFILT_PROC, kqueue, and subreapers

2016-12-14 Thread Martin "eto" Misuth
On Tue, 13 Dec 2016 10:49:19 + Jonathan de Boyne Pollard wrote: > Martin "eto" Misuth: > > Subreaper won't even wake when it acquires new child. > > You're following the other discussion about this, ne? I hope meant you this one. No my trips into kqueue/kvent land are very very simple o

Re: NOTE_TRACK, EVFILT_PROC, kqueue, and subreapers

2016-12-13 Thread Jonathan de Boyne Pollard
Jilles Tjoelker: This should probably be fixed. There's another more insidious bug hiding inside kevent() somewhere that causes a kernel abend complaining about a sleeping thread holding a non-sleepable lock. One needs to make fairly heavy use of kevent() in order to trigger it, I believe,

NOTE_TRACK, EVFILT_PROC, kqueue, and subreapers

2016-12-08 Thread 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