Date: Fri, 16 Feb 2001 08:03:11 +0100 From: "Morten A . Middelthon" <morten@freenix.no> To: Andrew Gordon <arg@arg1.demon.co.uk> Cc: freebsd-stable@freebsd.org Subject: Re: Portmap going berserk(!) Message-ID: <20010216080311.A123@freenix.no> In-Reply-To: <Pine.BSF.4.21.0102152319120.583-100000@server.arg.sj.co.uk>; from arg@arg1.demon.co.uk on Thu, Feb 15, 2001 at 11:36:30PM %2B0000 References: <20010215192135.A95579@freenix.no> <Pine.BSF.4.21.0102152319120.583-100000@server.arg.sj.co.uk>
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On Thu, Feb 15, 2001 at 11:36:30PM +0000, Andrew Gordon wrote: > On Thu, 15 Feb 2001, Morten A . Middelthon wrote: > > > I got a FreeBSD 4.1.1-STABLE built Oct 8, which seems to have been running just > > fine for about 40 days. But now, all of a sudden, portmap forks off nnn > > processes, and the load on the box goes up to about 150 (not kidding). Running > > I've seen over 400... Yes, and after letting portmap go wild for another minute or two the load was up to ~350. > > portmap with -v doesn't give me anything, running it with -d starts spitting > > out thousands of 'server: about to do a switch' messages to my console. I > > tried rebooting the box, but it starts all over again. > > You want to reboot the NIS client boxes which are bashing it, rather than > the machine itself. It seems like my 4.2-STABLE workstation was causing it. I rebooted it, and the server went to normal operation, sortof. > > The box is running as a DHCP, NFS, Samba, NIS, Apache, named and printserver, > > so it's quite an important box in my network. > > > > Is there any known portmap-related problems? Right now I'm building with new > > updated sources, hoping desperately it will help. > > I don't think it will help. This is a known problem (there's a few > messages in the archives). I suspect the reason noone's fixed it is that > it's hard to reproduce, and in the kind of situation where you do > reproduce it (NIS server in large network with lots of traffic), there > isn't much opportunity to investigate because the 'phones are ringing like > crazy with all the users that can't log in... Well at least I got the opportunity to upgrade the box :} I've wanted to increase certain kernel options for a long time now, but was unwilling to reboot it. > The work-around is to list all your NIS servers explicitly (described as > "many-cast" in the ypbind manpage) rather than broadcasting. I'll try that. Anyway, thnx for your help. -- Morten A. Middelthon Freenix Norge http://www.freenix.no/ -- You don't sew with a fork, so I see no reason to eat with knitting needles. -- Miss Piggy, on eating Chinese Food To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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