From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.sysutils.supervision.general/1495 Path: news.gmane.org!not-for-mail From: "Radek Podgorny" Newsgroups: gmane.comp.sysutils.supervision.general Subject: Re: runit not collecting zombies Date: Wed, 12 Sep 2007 14:53:26 +0200 (CEST) Message-ID: <46681.4354564578$1189601620@news.gmane.org> References: <20070620183532.4571.qmail@9f638fd8b69905.315fe32.mid.smarden.org> <20070623044205.GA1594@home.power> <20070626095920.6195.qmail@3e147d410b1c2c.315fe32.mid.smarden.org> <20070715144704.GS23517@home.power> <20070715190757.GW23517@home.power> <20070715201846.GT3925@run.galis.org> <20070715223553.GU3925@run.galis.org> <20070716000927.GY23517@home.power> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: sea.gmane.org 1189601620 2352 80.91.229.12 (12 Sep 2007 12:53:40 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Wed, 12 Sep 2007 12:53:40 +0000 (UTC) To: "Alex Efros" , supervision@list.skarnet.org Original-X-From: supervision-return-1730-gcsg-supervision=m.gmane.org@list.skarnet.org Wed Sep 12 14:53:38 2007 Return-path: Envelope-to: gcsg-supervision@gmane.org Original-Received: from antah.skarnet.org ([212.85.147.14]) by lo.gmane.org with smtp (Exim 4.50) id 1IVRii-0006fQ-Jd for gcsg-supervision@gmane.org; Wed, 12 Sep 2007 14:53:28 +0200 Original-Received: (qmail 24083 invoked by uid 76); 12 Sep 2007 12:53:49 -0000 Mailing-List: contact supervision-help@list.skarnet.org; run by ezmlm List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Archive: Original-Received: (qmail 24077 invoked from network); 12 Sep 2007 12:53:49 -0000 In-Reply-To: User-Agent: SquirrelMail/1.4.8 X-Priority: 3 (Normal) Importance: Normal Xref: news.gmane.org gmane.comp.sysutils.supervision.general:1495 Archived-At: Hi! Any progress on this? Alex, have you found at least a workaround? This is getting really annoying as I have to reboot my servers manually (ssh can't fork for remote login)... :-( Radek P. > > > On Mon, 16 Jul 2007, Alex Efros wrote: > >> On Sun, Jul 15, 2007 at 07:23:13PM -0400, Charlie Brady wrote: >>> So there are two problems there - the processes which are outliving >>> their >>> parents, and runit as process 1. Most people here seem to be ignoring >>> the >>> first problem, and instead are just looking for a magic fix by someone >>> solving problem 2. >> >> Ohh. Okay, okay, I think we all agree with you about 'generating >> zombies' >> is a Bad Thing (tm). But real world is slightly different from ideal >> world. >> In real world we've a 'zombie processes', which are part of *NIX >> architecture, and which can't be solved by just stopping generating >> zombies - because there a lot of existing applications (like OpenSSH) >> which already generate zombies, and because there exists some cases when >> zombies may and will be generated anyway. > > Sure they will. But in every case except a daemon which was given a term > signal I'd say it is a bug. > > I've seen no evidence that openssh generates zombies. > >> In this situation, the Right Thing is solve this issue between runit and >> linux kernel. > > That's one of the right thing, yes. > >> So. If this is a race condition bug in linux kernel 2.6.20, how to debug >> it? > > Have a look at SystemTap. > >