From owner-freebsd-current@FreeBSD.ORG Sat Dec 11 00:46:09 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8BA7516A4CE for ; Sat, 11 Dec 2004 00:46:09 +0000 (GMT) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6E3D143D5A for ; Sat, 11 Dec 2004 00:46:09 +0000 (GMT) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id 665F172DF8; Fri, 10 Dec 2004 16:46:09 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id 6493A72DCB; Fri, 10 Dec 2004 16:46:09 -0800 (PST) Date: Fri, 10 Dec 2004 16:46:09 -0800 (PST) From: Doug White To: Michal Suszko In-Reply-To: <20041210164407.E63382@carver.gumbysoft.com> Message-ID: <20041210164540.H63382@carver.gumbysoft.com> References: <20041208194721.GB1571@dry.pl> <20041210164407.E63382@carver.gumbysoft.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: current@freebsd.org Subject: Re: deadlocks in recent 6-CURRENT X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Sat, 11 Dec 2004 00:46:09 -0000 Oops, ignore me. Didn't see that witness was enabled afterwards. > > PREEMPTION is on This is known to cause problems. You enable it at your own risk. > > WITNESS show two kinds of LOR's: > > > > 1st 0xc1888414 inp (tcpinp) @ /usr/src/sys/netinet/tcp_syncache.c:1086 > > 2nd 0xc06b9400 pf task mtx (pf task mtx) @ /usr/src/sys/contrib/pf/net/pf.c:5891 > > KDB: stack backtrace: > > witness_checkorder(c06b9400,9,c0668a25,1703,7) at witness_checkorder+0x388 > > _mtx_lock_flags(c06b9400,0,c0668a25,1703,cbc9c8f8) at _mtx_lock_flags+0x37 > > pf_test(2,c15ce000,cbc9ca08,c1888384,c163cba0) at pf_test+0x72 > > pf_check_out(0,cbc9ca08,c15ce000,2,c1888384) at pf_check_out+0x4e > > pfil_run_hooks(c06eafe0,cbc9ca94,c15ce000,2,c1888384) at pfil_run_hooks+0x145 > > ip_output(c16bad00,0,cbc9ca60,0,0) at ip_output+0x299 > > syncache_respond(cbc9cb20,c06eba40,1c,8,78) at syncache_respond+0x26a > > syncache_add(cbc9cbac,cbc9cbfc,c17a8034,cbc9cba8,c1773b00) at syncache_add+0x428 > > tcp_input(c1773b00,14,c15ce000,1,0) at tcp_input+0x1a87 > > ip_input(c1773b00,0,c06797c5,e8,18) at ip_input+0xd5 > > netisr_processqueue(cbc9ccdc,80246,c06bf1a0,8,c14f3c40) at netisr_processqueue+0x15 > > swi_net(0,0,c0670763,257,0) at swi_net+0x9f > > ithread_loop(c14fa500,cbc9cd48,c06705b6,318,c14fa500) at ithread_loop+0x1d2 > > fork_exit(c04d53e0,c14fa500,cbc9cd48) at fork_exit+0x70 > > fork_trampoline() at fork_trampoline+0x8 > > --- trap 0x1, eip = 0, esp = 0xcbc9cd7c, ebp = 0 --- > > > > 1st 0xc06eb44c tcp (tcp) @ /usr/src/sys/netinet/tcp_input.c:615 > > 2nd 0xc06b9400 pf task mtx (pf task mtx) @ /usr/src/sys/contrib/pf/net/pf.c:5891 > > KDB: stack backtrace: > > witness_checkorder(c06b9400,9,c0668a25,1703,0) at witness_checkorder+0x388 > > _mtx_lock_flags(c06b9400,0,c0668a25,1703,c04e1dc9) at _mtx_lock_flags+0x37 > > pf_test(2,c16cf014,cbc9ca7c,0,c163cba0) at pf_test+0x72 > > pf_check_out(0,cbc9ca7c,c16cf014,2,0) at pf_check_out+0x4e > > pfil_run_hooks(c06eafe0,cbc9cb08,c16cf014,2,0) at pfil_run_hooks+0x145 > > ip_output(c16b6a00,0,cbc9cad4,0,0,0,0,0,c06a495c,c8) at ip_output+0x299 > > tcp_respond(0,c16b6a34,c16b6a48,c16b6a00,e5623f88) at tcp_respond+0x16e > > tcp_input(c16b6a00,14,c16cf014,1,0) at tcp_input+0x91e > > ip_input(c16b6a00,0,c06797c5,e8,18) at ip_input+0xd5 > > netisr_processqueue(cbc9ccdc,80246,c06bf1a0,8,c14f3c40) at netisr_processqueue+0x15 > > swi_net(0,0,c0670763,257,0) at swi_net+0x9f > > ithread_loop(c14fa500,cbc9cd48,c06705b6,318,c14fa500) at ithread_loop+0x1d2 > > fork_exit(c04d53e0,c14fa500,cbc9cd48) at fork_exit+0x70 > > fork_trampoline() at fork_trampoline+0x8 > > > > I can provide core dump along with kernel.debug and configuration files. > > > > > > > > Michal > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > > > > -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org