From owner-freebsd-current@FreeBSD.ORG Sun Mar 25 20:20:22 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 87AB216A404 for ; Sun, 25 Mar 2007 20:20:22 +0000 (UTC) (envelope-from nb_root@videotron.ca) Received: from relais.videotron.ca (relais.videotron.ca [24.201.245.36]) by mx1.freebsd.org (Postfix) with ESMTP id 5ECA413C44B for ; Sun, 25 Mar 2007 20:20:22 +0000 (UTC) (envelope-from nb_root@videotron.ca) Received: from clk01a ([24.202.150.69]) by VL-MH-MR002.ip.videotron.ca (Sun Java System Messaging Server 6.2-2.05 (built Apr 28 2005)) with ESMTP id <0JFH00DVD75XR600@VL-MH-MR002.ip.videotron.ca> for freebsd-current@freebsd.org; Sun, 25 Mar 2007 16:20:21 -0400 (EDT) Date: Sun, 25 Mar 2007 16:20:12 -0400 From: Nicolas Blais In-reply-to: <20070325194946.GC79938@kobe.laptop> To: freebsd-current@freebsd.org Message-id: <200703251620.20879.nb_root@videotron.ca> MIME-version: 1.0 Content-type: multipart/signed; boundary=nextPart2282447.PsX8fNXYT7; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-transfer-encoding: 7bit References: <20070324124732.GA767@nagual.pp.ru> <200703251348.58972.nb_root@videotron.ca> <20070325194946.GC79938@kobe.laptop> User-Agent: KMail/1.9.6 Cc: Giorgos Keramidas Subject: Re: Latest -current complete lockup (tcp changes?) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Mar 2007 20:20:22 -0000 --nextPart2282447.PsX8fNXYT7 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On March 25, 2007 03:49:46 pm Giorgos Keramidas wrote: > On 2007-03-25 13:48, Nicolas Blais wrote: > > > The panic happens after a small amount of network activity, inside > > > the TCP SACK code: > > > > > > ---------------------------------------------------------------------= =2D- > > >---- Disabling SACK lets me use my laptop again: > > > > > > net.inet.tcp.sack.enable=3D0 > > > > > > without any panics. > > > > Same here. If you want to quickly crash your system, > > net.inet.tcp.sack.enable=3D1 and start a torrent :) > > > > I couldn't find what was causing my desktop to crash until I STOPPED > > trying to restart my torrent after boot :) . Though > > net.inet.tcp.sack.enable=3D0 fixed it. > > Rebuilding a kernel will take a while here. If you can try reverting > the following commit before I do, let me know if it fixes the panic. > > % andre 2007-03-23 18:33:21 UTC > % > % FreeBSD src repository > % > % Modified files: > % sys/netinet tcp_input.c tcp_sack.c > % Log: > % Bring SACK option handling in tcp_dooptions() in line with all other > % options and ajust users accordingly. > % > % Revision Changes Path > % 1.326 +7 -4 src/sys/netinet/tcp_input.c > % 1.35 +1 -0 src/sys/netinet/tcp_sack.c Done.=20 I reverted tcp_input.c to 1.325 and tcp_sack.c to 1.34. I was able to start= =20 many torrents without a panic. I believe the revert fixed the problem, as=20 previously, just starting 1 torrent would panic (unless =20 net.inet.tcp.sack.enable=3D0) , now I have 5 running fine. Nicolas. =2D-=20 =46reeBSD 7.0-CURRENT #18: Sun Mar 25 16:03:50 EDT 2007 =20 nicblais@clk01a:/usr/obj/usr/src/sys/CLK01A=20 PGP? : http://plaintext.clkroot.net/security/nb_root.asc --nextPart2282447.PsX8fNXYT7 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQBGBtl84wTBlvcsbJURArGQAKCd86keT+l3InjnQxa3t5P4QAdaggCfa3le ZwTxaxWxkUQ+dFAJ2VpOIg8= =F4G+ -----END PGP SIGNATURE----- --nextPart2282447.PsX8fNXYT7--