Date: Wed, 25 Mar 2009 11:29:25 +0300 From: Oleg Bulyzhin <oleg@FreeBSD.org> To: Eugene L Kovalenja <qwe@qwe.net.ua> Cc: freebsd-ipfw@FreeBSD.ORG Subject: Re: FreeBSD 7.0: dummynet 99% cpu Message-ID: <20090325082925.GA13280@lath.rinet.ru> In-Reply-To: <49C310A9.6020102@qwe.net.ua> References: <200903181022.n2IAMsWs038026@lurza.secnetix.de> <49C310A9.6020102@qwe.net.ua>
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On Fri, Mar 20, 2009 at 05:42:33AM +0200, Eugene L Kovalenja wrote: > Oliver Fromme ?????: > > Eugene L Kovalenja wrote: > > > FreeBSD *** 7.0-RELEASE FreeBSD 7.0-RELEASE #6: Sun Nov 23 14:32:31 EET > > > [...] > > > Time in three days traffic via ipfw doesn't go. In top: > > > 21 root 1 -44 - 0K 8K WAIT 7 2:15 99.02% dummynet > > > (this is example, not copy\paste) > > > > There are a few problems that have been fixed (or worked > > around) after the release of 7.0. For example, look at > > PR kern/113548 which has a work-around in 7.1. Your > > problem description sounds like it could be caused by > > the same problem. > > > > Therefore I recommend you update to 7.1 or 7-stable. > > > > Best regards > > Oliver > > > > > Hello. > > System updated to: > [root@taurus /usr/home/qwe]# uname -a > FreeBSD *** 7.1-RELEASE-p3 FreeBSD 7.1-RELEASE-p3 #0: Thu Mar 19 > 16:31:53 EET 2009 root@***:/usr/obj/usr/src/sys/QWEKRN70 i386 > > but once trouble has repeated (30 mins ago). > > > After that I change my sysctl variables: > net.inet.ip.dummynet.io_fast=1 > net.inet.ip.dummynet.debug=1 > net.inet.ip.dummynet.hash_size=16384 (from 512) > > What can I'll to do? > > Sorry for my bad English :( > _______________________________________________ > freebsd-ipfw@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw > To unsubscribe, send any mail to "freebsd-ipfw-unsubscribe@freebsd.org" Please do the following (when dummynet will hang next time): 1) Grab the output of follwing commands: sysctl net.inet.ip.dummynet ipfw pipe show 2) wait a bit (30 seconds should be enough) 3) do 1) once again. Examining counters may help in understanding problem. -- Oleg. ================================================================ === Oleg Bulyzhin -- OBUL-RIPN -- OBUL-RIPE -- oleg@rinet.ru === ================================================================
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