From owner-freebsd-current@FreeBSD.ORG Wed May 12 12:59:20 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 0650316A4CE for ; Wed, 12 May 2004 12:59:20 -0700 (PDT) Received: from mail-gw1.york.ac.uk (mail-gw1.york.ac.uk [144.32.128.246]) by mx1.FreeBSD.org (Postfix) with ESMTP id 19D0143D49 for ; Wed, 12 May 2004 12:59:19 -0700 (PDT) (envelope-from gavin.atkinson@ury.york.ac.uk) Received: from ury.york.ac.uk (ury.york.ac.uk [144.32.108.81]) by mail-gw1.york.ac.uk (8.12.10/8.12.10) with ESMTP id i4CJxEt6001167 for ; Wed, 12 May 2004 20:59:14 +0100 (BST) Received: from ury.york.ac.uk (localhost.york.ac.uk [127.0.0.1]) by ury.york.ac.uk (8.12.9p2/8.12.9) with ESMTP id i4CJxEX2009455 for ; Wed, 12 May 2004 20:59:14 +0100 (BST) (envelope-from gavin.atkinson@ury.york.ac.uk) Received: from localhost (gavin@localhost)i4CJxE2E009452 for ; Wed, 12 May 2004 20:59:14 +0100 (BST) (envelope-from gavin.atkinson@ury.york.ac.uk) X-Authentication-Warning: ury.york.ac.uk: gavin owned process doing -bs Date: Wed, 12 May 2004 20:59:14 +0100 (BST) From: Gavin Atkinson X-X-Sender: gavin@ury.york.ac.uk To: freebsd-current@freebsd.org Message-ID: <20040512204829.T8831@ury.york.ac.uk> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-York-MailScanner: Found to be clean Subject: LOR: tcpinp and tcp 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: Wed, 12 May 2004 19:59:20 -0000 Hi, It looks like this LOR has been reported once before, in early January. It seems to still be an issue. This is with top-of-tree CURRENT. It's not a known lock according to the LOR page. lock order reversal 1st 0xc2d7a2ac inp (tcpinp) @ /usr/src/sys/netinet/tcp_input.c:717 2nd 0xc08b230c tcp (tcp) @ /usr/src/sys/netinet/tcp_usrreq.c:616 Stack backtrace: backtrace(0,ffffffff,c088c0c0,c088c430,c081b57c) at backtrace+0x12 witness_checkorder(c08b230c,9,c07cc609,268) at witness_checkorder+0x593 _mtx_lock_flags(c08b230c,0,c07cc609,268) at _mtx_lock_flags+0x67 tcp_usr_rcvd(c2daa870,80) at tcp_usr_rcvd+0x1b soreceive(c2daa870,cdcc0b2c,cdcc0b38,cdcc0b30,0) at soreceive+0x865 nfsrv_rcv(c2daa870,c2d4f100,4) at nfsrv_rcv+0x83 sowakeup(c2daa870,c2daa8bc) at sowakeup+0x71 tcp_input(c151ac00,14,0,14,a0e22090) at tcp_input+0x12ba ip_input(c151ac00) at ip_input+0x83a netisr_processqueue(c08b11d8,c2aee580,c14fdd80,cdcc0d1c,c05d407c) at netisr_processqueue+0x6e swi_net(0) at swi_net+0x85 ithread_loop(c14fdd80,cdcc0d48,c14fdd80,c05d3ed8,0) at ithread_loop+0x1a4 fork_exit(c05d3ed8,c14fdd80,cdcc0d48) at fork_exit+0xa8 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xcdcc0d7c, ebp = 0 --- Gavin