From owner-freebsd-stable@FreeBSD.ORG Wed Mar 15 18:23:37 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0BA7B16A400 for ; Wed, 15 Mar 2006 18:23:37 +0000 (UTC) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id BD1DA43D46 for ; Wed, 15 Mar 2006 18:23:36 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (elvis.mu.org [192.203.228.196]) by elvis.mu.org (Postfix) with ESMTP id A5F801A4E49; Wed, 15 Mar 2006 10:23:36 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 0FE44525C5; Wed, 15 Mar 2006 13:23:36 -0500 (EST) Date: Wed, 15 Mar 2006 13:23:35 -0500 From: Kris Kennaway To: Vadim Goncharov Message-ID: <20060315182335.GB85131@xor.obsecurity.org> References: <256754692.20060315183731@mail.ru> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="V0207lvV8h4k8FAm" Content-Disposition: inline In-Reply-To: <256754692.20060315183731@mail.ru> User-Agent: Mutt/1.4.2.1i Cc: freebsd-stable@freebsd.org Subject: Re: panic with ZERO_COPY_SOCKETS on 5.4 (and probably 6.0) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Mar 2006 18:23:37 -0000 --V0207lvV8h4k8FAm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 15, 2006 at 06:37:31PM +0600, Vadim Goncharov wrote: > Hello freebsd-stable, >=20 > I've seen several panics on a 5.4-STABLE (RELENG_5 at end of January) > under moderate ftpd/samba load with diagnostic: >=20 > vm_page_free: freeing wired page >=20 > Server rebooted after a panic every ~4 hours. Removing > ZERO_COPY_SOCKETS from kernel config resolved problem. > And I've found same diagnostic with same causes in freebsd-current@ > mail lists on a 6.0-RC1: > http://www.freebsd.org/cgi/getmsg.cgi?fetch=3D330124+334658+/usr/local/= www/db/text/2005/freebsd-current/20051023.freebsd-current >=20 > Also, there is a PR with a similar diagnostic (but not sure if it is > ZERO_COPY_SOCKETS problem): > http://www.freebsd.org/cgi/query-pr.cgi?pr=3Dkern/75780 >=20 > I still have coredumps on my machine together with copy of > kernel.debug (although I've updated machine to 5.5-PRERELEASE alredy), > and can provide backtrace etc. if somebody will be interested in this. There were fixes for this after 6.0. I don't know if anyone is interested in merging the fixes to 5.5; you should update to 6.1 for this and many other reasons. Kris --V0207lvV8h4k8FAm Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (FreeBSD) iD8DBQFEGFumWry0BWjoQKURAhMeAJ43rtdqShCtpUqJ2DiK/pu3krPRSQCfQAbo D2cioCRFjzczR19UV5RlBQs= =KOyT -----END PGP SIGNATURE----- --V0207lvV8h4k8FAm--