From owner-freebsd-current@FreeBSD.ORG Thu Apr 26 22:14:29 2007 Return-Path: X-Original-To: freebsd-current@mx1.freebsd.org Delivered-To: freebsd-current@mx1.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 39B3116A400 for ; Thu, 26 Apr 2007 22:14:29 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (66-23-211-162.clients.speedfactory.net [66.23.211.162]) by mx1.freebsd.org (Postfix) with ESMTP id B9CA013C45E for ; Thu, 26 Apr 2007 22:14:28 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from localhost.corp.yahoo.com (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.13.8/8.13.8) with ESMTP id l3QLlapa078120; Thu, 26 Apr 2007 17:47:36 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-current@freebsd.org Date: Thu, 26 Apr 2007 17:30:41 -0400 User-Agent: KMail/1.9.6 References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200704261730.42097.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Thu, 26 Apr 2007 17:47:37 -0400 (EDT) X-Virus-Scanned: ClamAV 0.88.3/3165/Thu Apr 26 09:03:24 2007 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: freebsd-current@mx1.freebsd.org, Goran Gajic Subject: Re: smb related problem 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: Thu, 26 Apr 2007 22:14:29 -0000 On Thursday 19 April 2007 10:02:13 am Goran Gajic wrote: > > Hi, > > I have just noticed from today build: > > FreeBSD fbsd.interex-pla.net 7.0-CURRENT FreeBSD 7.0-CURRENT #0: Thu Apr > 19 11:42:17 CEST 2007 > root@fbsd.interex-pla.net:/usr/src/sys/i386/compile/GENERIC i386 > > netsmb_dev: loaded > smb_co_lock: recursive lock for object 1 > lockmgr: thread 0xc3a39a20 unlocking unheld lock > KDB: stack backtrace: > db_trace_self_wrapper(c094fe7e) at db_trace_self_wrapper+0x25 > kdb_backtrace(c094b1d7,c3a39a20) at kdb_backtrace+0x29 > _lockmgr(c367ce08,2006,c367ce38,c3a39a20,c3a6e210,...) at _lockmgr+0x5fa > smb_co_put(c367ce00,d728ab90,c3678d00,c367ce00,0,...) at smb_co_put+0x50 > smb_sm_lookup(d728ab1c,d728aafc,d728ab90,d728aaf8,d728aafc,...) at > smb_sm_lookup+0x11a > smb_usr_lookup(c2f09400,d728ab90,d728ab8c,d728ab88,c0a9e708,...) at > smb_usr_lookup+0x76 > nsmb_dev_ioctl(c3678700,82fc6e6a,c2f09400,3,c3a39a20,c0a51488,0,c0948e06,131) > at nsmb_dev_ioctl+0x1e5 > giant_ioctl(c3678700,82fc6e6a,c2f09400,3,c3a39a20,...) at giant_ioctl+0x33 > devfs_ioctl_f(c37e8090,82fc6e6a,c2f09400,c3673e80,c3a39a20) at > devfs_ioctl_f+0xaf > kern_ioctl(c3a39a20,3,82fc6e6a,c2f09400) at kern_ioctl+0x1ae > ioctl(c3a39a20,d728ad00) at ioctl+0xf1 > syscall(d728ad38) at syscall+0x252 > Xint0x80_syscall() at Xint0x80_syscall+0x20 > --- syscall (54, FreeBSD ELF32, ioctl), eip = 0x2815772f, esp = > 0xbfbfe40c, ebp = 0xbfbfe738 --- > > I've noticed this when I have tried mount_smbfs.. Can you try this and reply with the stack trace from the panic? Index: smb_conn.c =================================================================== RCS file: /usr/cvs/src/sys/netsmb/smb_conn.c,v retrieving revision 1.18 diff -u -r1.18 smb_conn.c --- smb_conn.c 6 Nov 2006 13:42:06 -0000 1.18 +++ smb_conn.c 7 Nov 2006 18:42:41 -0000 @@ -351,6 +351,7 @@ if (smb_co_lockstatus(cp, td) == LK_EXCLUSIVE && (flags & LK_CANRECURSE) == 0) { SMBERROR("recursive lock for object %d\n", cp->co_level); + panic("rescursive lock for object %p", cp); return 0; } return lockmgr(&cp->co_lock, flags, &cp->co_interlock, td); -- John Baldwin