From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tilman Schmidt Subject: Re: dynticks + iptables almost stops the boot process [was: Re: 2.6.20-rc6-mm3] Date: Wed, 07 Feb 2007 00:12:23 +0100 Message-ID: <45C90B57.90104@imap.cc> References: <20070131215241.GB2890@inferi.kami.home> <20070131232130.GC4137@inferi.kami.home> <1170358572.29240.292.camel@localhost.localdomain> <1170360101.29240.297.camel@localhost.localdomain> <20070201211137.GA2830@inferi.kami.home> <1170369202.29240.339.camel@localhost.localdomain> <20070202191802.GA4262@inferi.kami.home> <1170448034.29240.364.camel@localhost.localdomain> <20070202204344.GB4262@inferi.kami.home> <20070206164826.GA3491@elte.hu> <20070206192840.GB2971@inferi.kami.home> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig078781D7F46D04E8339CF8CB" To: Ingo Molnar , Thomas Gleixner , Andrew Morton , linux-kernel@vger.kernel.org, mingo@redhat.com, netdev@vger.kernel.org, netfilter-devel@lists.netfilter.org Return-path: Received: from out5.smtp.messagingengine.com ([66.111.4.29]:48243 "EHLO out5.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030556AbXBFXLp (ORCPT ); Tue, 6 Feb 2007 18:11:45 -0500 In-Reply-To: <20070206192840.GB2971@inferi.kami.home> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig078781D7F46D04E8339CF8CB Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Am 06.02.2007 20:28 schrieb Mattia Dongili: > On Tue, Feb 06, 2007 at 05:48:26PM +0100, Ingo Molnar wrote: >> Could you try the patch below? The RCU serialization code (a rare call= =20 >> but can be common in some types of setups) has a nasty implicit=20 >> dependency on the HZ tick - which until now was a hidden wart but beca= me=20 >> an explicit bug under dynticks. Maybe this is what is slowing down you= r=20 >> box. I have the same problem (huge delay when loading iptables) with 2.6.20-rc6-mm3, and for me this patch did fix it. > No, not this. Anyway the last patch Thomas forwarded does fix the > problem. Which one would that be? I might try it for comparison. Thanks, Tilman --=20 Tilman Schmidt E-Mail: tilman@imap.cc Bonn, Germany Diese Nachricht besteht zu 100% aus wiederverwerteten Bits. Unge=F6ffnet mindestens haltbar bis: (siehe R=FCckseite) --------------enig078781D7F46D04E8339CF8CB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3rc1 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFyQtfMdB4Whm86/kRAh1SAJ4nD7AUYhg1gU7UloR588LGaO0L+wCeO2un CImLLx8g+vh7yfduSEgwfXU= =YkNg -----END PGP SIGNATURE----- --------------enig078781D7F46D04E8339CF8CB--