From owner-freebsd-hackers@FreeBSD.ORG Tue Mar 16 14:38:18 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7B24A106564A for ; Tue, 16 Mar 2010 14:38:18 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 384558FC1E for ; Tue, 16 Mar 2010 14:38:18 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id AE46046B09; Tue, 16 Mar 2010 10:38:17 -0400 (EDT) Received: from zion.baldwin.cx (pool-98-109-181-99.nwrknj.fios.verizon.net [98.109.181.99]) by bigwig.baldwin.cx (Postfix) with ESMTPA id D4ADF8A025; Tue, 16 Mar 2010 10:38:16 -0400 (EDT) From: John Baldwin To: freebsd-hackers@freebsd.org Date: Tue, 16 Mar 2010 10:34:07 -0400 User-Agent: KMail/1.12.4 (FreeBSD/7.3-PRERELEASE; KDE/4.3.4; i386; ; ) References: In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Message-Id: <201003161034.07750.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Tue, 16 Mar 2010 10:38:16 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.8 required=4.2 tests=AWL,BAYES_00, FH_HOST_EQ_VERIZON_P,RDNS_DYNAMIC autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: Glenn Camilleri Subject: Re: Kernel dump crash X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Mar 2010 14:38:18 -0000 On Tuesday 16 March 2010 08:13:39 am Glenn Camilleri wrote: > Hi, >=20 >=20 >=20 > I have some processes and programs that are custom made to run on FreeBSD. > I suspect some poor implementation of tcp in these programs, but don=92t > have the real proof. I think this is an old bug that was fixed in 6.3. It was fixed in 6.x by t= his=20 commit: jhb 2007-01-19 23:01:34 UTC FreeBSD src repository Modified files: (Branch: RELENG_6) sys/contrib/pf/net if_pfsync.c=20 sys/dev/arl if_arl.c=20 sys/dev/ath if_ath.c=20 sys/dev/awi awi.c=20 sys/dev/ce if_ce.c=20 sys/dev/cp if_cp.c=20 sys/dev/ctau if_ct.c=20 sys/dev/cx if_cx.c=20 sys/dev/en midway.c=20 sys/dev/firewire if_fwip.c=20 sys/dev/gem if_gem.c=20 sys/dev/ipw if_ipw.c=20 sys/dev/iwi if_iwi.c=20 sys/dev/my if_my.c=20 sys/dev/ppbus if_plip.c=20 sys/dev/ral rt2560.c rt2661.c=20 sys/dev/usb if_ural.c=20 sys/dev/wi if_wi.c=20 sys/i4b/driver i4b_ipr.c=20 sys/net bpf.c bpf.h bpfdesc.h if_disc.c if_enc.c=20 if_faith.c if_fwsubr.c if_gif.c if_gre.c=20 if_loop.c if_sl.c if_stf.c if_tun.c=20 sys/net80211 ieee80211_input.c=20 sys/netgraph ng_iface.c ng_sppp.c=20 sys/netinet ip_carp.c ip_gre.c=20 Log: MFC: Change the life cycle of bpf interface objects to close attach/detach races with bpf(4). This includes shims to preserve the ABI for any old modules. For more details see the commit log for 1.166 of sys/net/bpf.c. =20 Revision Changes Path 1.19.2.5 +5 -1 src/sys/contrib/pf/net/if_pfsync.c 1.10.2.2 +1 -1 src/sys/dev/arl/if_arl.c 1.94.2.29 +5 -4 src/sys/dev/ath/if_ath.c 1.37.2.5 +2 -2 src/sys/dev/awi/awi.c 1.3.6.2 +4 -4 src/sys/dev/ce/if_ce.c 1.24.2.2 +2 -4 src/sys/dev/cp/if_cp.c 1.25.2.2 +2 -4 src/sys/dev/ctau/if_ct.c 1.45.2.3 +2 -4 src/sys/dev/cx/if_cx.c 1.65.2.2 +2 -2 src/sys/dev/en/midway.c 1.7.2.4 +2 -2 src/sys/dev/firewire/if_fwip.c 1.29.2.6 +1 -2 src/sys/dev/gem/if_gem.c 1.7.2.6 +3 -3 src/sys/dev/ipw/if_ipw.c 1.8.2.11 +3 -3 src/sys/dev/iwi/if_iwi.c 1.29.2.5 +2 -2 src/sys/dev/my/if_my.c 1.37.2.3 +5 -5 src/sys/dev/ppbus/if_plip.c 1.9.2.2 +7 -7 src/sys/dev/ral/rt2560.c 1.10.2.2 +5 -5 src/sys/dev/ral/rt2661.c 1.10.2.10 +5 -5 src/sys/dev/usb/if_ural.c 1.180.2.9 +3 -3 src/sys/dev/wi/if_wi.c 1.34.2.2 +4 -4 src/sys/i4b/driver/i4b_ipr.c 1.153.2.9 +76 -71 src/sys/net/bpf.c 1.39.2.3 +29 -4 src/sys/net/bpf.h 1.29.2.3 +0 -13 src/sys/net/bpfdesc.h 1.48.2.2 +1 -1 src/sys/net/if_disc.c 1.5.2.2 +1 -1 src/sys/net/if_enc.c 1.36.2.2 +1 -1 src/sys/net/if_faith.c 1.12.2.6 +2 -2 src/sys/net/if_fwsubr.c 1.52.2.7 +2 -4 src/sys/net/if_gif.c 1.32.2.7 +1 -1 src/sys/net/if_gre.c 1.106.2.3 +2 -2 src/sys/net/if_loop.c 1.129.2.1 +4 -4 src/sys/net/if_sl.c 1.50.2.2 +2 -2 src/sys/net/if_stf.c 1.152.2.4 +1 -1 src/sys/net/if_tun.c 1.62.2.15 +4 -4 src/sys/net80211/ieee80211_input.c 1.43.2.3 +1 -1 src/sys/netgraph/ng_iface.c 1.8.2.3 +2 -4 src/sys/netgraph/ng_sppp.c 1.27.2.10 +1 -1 src/sys/netinet/ip_carp.c 1.19.2.4 +2 -2 src/sys/netinet/ip_gre.c =2D-=20 John Baldwin