From owner-freebsd-current@FreeBSD.ORG Sat Apr 10 10:54:25 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 8B7AA16A4CE for ; Sat, 10 Apr 2004 10:54:25 -0700 (PDT) Received: from cmsrelay03.mx.net (cmsrelay03.mx.net [165.212.11.112]) by mx1.FreeBSD.org (Postfix) with SMTP id 3977E43D48 for ; Sat, 10 Apr 2004 10:54:25 -0700 (PDT) (envelope-from noackjr@alumni.rice.edu) Received: from cmsapps02.cms.usa.net (165.212.11.138) by cmsoutbound.mx.net with SMTP; 10 Apr 2004 17:54:19 -0000 Received: from optimator.noacks.org [65.69.0.65] by cmsapps02.cms.usa.net (ASMTP/noackjr@usa.net) via mtad (C8.MAIN.3.13N) with ESMTP id 683iDJR3R0049M38; Sat, 10 Apr 2004 17:54:17 GMT X-USANET-Auth: 65.69.0.65 AUTH noackjr@usa.net optimator.noacks.org Received: from localhost (localhost [127.0.0.1]) by optimator.noacks.org (Postfix) with ESMTP id 11D796177; Sat, 10 Apr 2004 12:54:17 -0500 (CDT) Received: from optimator.noacks.org ([127.0.0.1]) by localhost (optimator.noacks.org [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 46468-07; Sat, 10 Apr 2004 12:54:14 -0500 (CDT) Received: from www.noacks.org (localhost [127.0.0.1]) by optimator.noacks.org (Postfix) with SMTP id 482B0615F; Sat, 10 Apr 2004 12:54:14 -0500 (CDT) Received: from 192.168.1.9 (SquirrelMail authenticated user noackjr) by www.noacks.org with HTTP; Sat, 10 Apr 2004 12:54:14 -0500 (CDT) Message-ID: <1747.192.168.1.9.1081619654.squirrel@www.noacks.org> In-Reply-To: <001401c41f21$9634efd0$1e64a8c0@spotripoli.local> References: <001401c41f21$9634efd0$1e64a8c0@spotripoli.local> Date: Sat, 10 Apr 2004 12:54:14 -0500 (CDT) From: "Jon Noack" To: "Putinas Piliponis" User-Agent: SquirrelMail/1.4.2 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 X-Priority: 3 Importance: Normal X-Virus-Scanned: by amavisd-new at noacks.org Content-Transfer-Encoding: quoted-printable cc: current@freebsd.org Subject: Re: LOR: sys/kern/sys_generic.c:902 sys/fs/specfs/spec_vnops.c:387 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: noackjr@alumni.rice.edu List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 10 Apr 2004 17:54:25 -0000 Putinas Piliponis wrote: > Hi, with todays kernel I got this: > Sorry if it was already reported... > what about the web page for lor status? > > lock order reversal > 1st 0xc657c838 filedesc structure (filedesc structure) @ > /usr/src/sys/kern/sys_generic.c:902 > 2nd 0xc072d060 Giant (Giant) @ /usr/src/sys/fs/specfs/spec_vnops.c:387 > Stack backtrace: > backtrace(c06bebd7,c072d060,c06ba893,c06ba893,c06b5ac3) at backtrace+0x= 17 > witness_checkorder(c072d060,9,c06b5ac3,183,c06b8216) at > witness_checkorder+0x707 > _mtx_lock_flags(c072d060,0,c06b5ac3,183,c06bf1e1) at _mtx_lock_flags+0x= 9b > spec_poll(e7219afc,e7219b1c,c0580726,e7219afc,c07225c0) at spec_poll+0x= 14a > spec_vnoperate(e7219afc,c07225c0,c64c9e38,40,c2274600) at > spec_vnoperate+0x18 > vn_poll(c64a4bb0,40,c2274600,c64b2690,c2274600) at vn_poll+0x3c > selscan(c64b2690,e7219b9c,e7219b8c,4,4) at selscan+0x11e > kern_select(c64b2690,4,bfbfe4d0,0,0) at kern_select+0x368 > select(c64b2690,e7219d14,14,434,5) at select+0x67 > syscall(2f,2f,2f,ffffffff,0) at syscall+0x271 > Xint0x80_syscall() at Xint0x80_syscall+0x1d > --- syscall (93), eip =3D 0x282d8e23, esp =3D 0xbfbfe47c, ebp =3D 0xbfb= fe588 --- I got this same one today. Seems like this one even has a PR: http://www.freebsd.org/cgi/query-pr.cgi?pr=3Dkern/55175 Like I said, I'm not going to put any work into the web page until I find someone to commit a pointer to it when you get a lock order reversal.=20 Otherwise, the page is of limited value (we will still get peppered with questions on the list). Jon