From owner-freebsd-current@FreeBSD.ORG Sat Dec 2 22:25:06 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 0B92D16A403; Sat, 2 Dec 2006 22:25:06 +0000 (UTC) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 45EF543CBE; Sat, 2 Dec 2006 22:24:29 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (elvis.mu.org [192.203.228.196]) by elvis.mu.org (Postfix) with ESMTP id 92B301A4D83; Sat, 2 Dec 2006 14:24:42 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 9E47851569; Sat, 2 Dec 2006 17:24:23 -0500 (EST) Date: Sat, 2 Dec 2006 17:24:23 -0500 From: Kris Kennaway To: Daichi GOTO Message-ID: <20061202222423.GA3766@xor.obsecurity.org> References: <4570305A.4010908@freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="lrZ03NoBR/3+SXJZ" Content-Disposition: inline In-Reply-To: <4570305A.4010908@freebsd.org> User-Agent: Mutt/1.4.2.2i Cc: rodrigc@crodrigues.org, freebsd-current@freebsd.org, ozawa@ongs.co.jp Subject: Re: [ANN] unionfs patchset-17 release, lock mechanism changed for robust working 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: Sat, 02 Dec 2006 22:25:06 -0000 --lrZ03NoBR/3+SXJZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Dec 01, 2006 at 10:38:34PM +0900, Daichi GOTO wrote: > Hi Guys! >=20 > It is my pleasure and honor to announce the availability of > the unionfs patchset-17. p17 have some significant improvements > around the lock mechanism for robust and stable working. I got the following locking assertion as soon as I tried to start a package build in the unionfs -b mountpoint. KDB: stack backtrace: db_trace_self_wrapper(c4fd6700,eca4fb00,c073871a,eca4fb10,ca025c18,...) at = db_trace_self_wrapper+0x37 vfs_badlock(ca025c18,eca4fb10,c07d4d20,ca025c18,c4fd6700,eca4fb60) at vfs_b= adlock+0x76 assert_vop_elocked(ca025c18,c078ee83,eca4fbf0,eca4fbf0,1,...) at assert_vop= _elocked+0x63 VOP_MKDIR_APV(c07a4e00,eca4fb60,c0771a8c,d6e,7070000,...) at VOP_MKDIR_APV+= 0xea kern_mkdir(c4fd6700,bfbfeb15,0,1ff,eca4fd30,...) at kern_mkdir+0x327 mkdir(c4fd6700,eca4fd04,8,eca4fd38,2,...) at mkdir+0x29 syscall(3b,3b,3b,bfbfeb15,1,...) at syscall+0x152 Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (136, FreeBSD ELF32, mkdir), eip =3D 0x281479e7, esp =3D 0xbfbf= e89c, ebp =3D 0xbfbfe978 --- VOP_MKDIR: 0xca025c18 is not exclusive locked but should be db> show lockedvnods Locked vnodes 0xc90b4c18: tag ufs, type VDIR usecount 1, writecount 0, refcount 2 mountedhere 0 flags () v_object 0xcbe4b690 ref 0 pages 0 lock type ufs: EXCL (count 1) by thread 0xc4fd6700 (pid 98678)#0 0xc05= 45c13 at _lockmgr+0x538 #1 0xc06a766f at ffs_lock+0x6a #2 0xc0738675 at _VOP_LOCK_APV+0x69 #3 0xc051147f at unionfs_lock+0x186 #4 0xc0738675 at _VOP_LOCK_APV+0x69 #5 0xc05d7f4a at _vn_lock+0x73 #6 0xc05c06ee at lookup+0xe9 #7 0xc05c1703 at namei+0x358 #8 0xc05d47c0 at kern_mkdir+0x72 #9 0xc05d4b82 at mkdir+0x29 #10 0xc072156b at syscall+0x152 #11 0xc07093af at Xint0x80_syscall+0x1f ino 2120020, on dev da0s1e 0xcaa1d560: tag ufs, type VDIR usecount 2, writecount 0, refcount 4 mountedhere 0 flags () v_object 0xcbe0e708 ref 0 pages 1 lock type ufs: EXCL (count 1) by thread 0xc4dc2700 (pid 98188)#0 0xc05= 45c13 at _lockmgr+0x538 #1 0xc06a766f at ffs_lock+0x6a #2 0xc0738675 at _VOP_LOCK_APV+0x69 #3 0xc05d7f4a at _vn_lock+0x73 #4 0xc05c06ee at lookup+0xe9 #5 0xc05c1703 at namei+0x358 #6 0xc05d17ed at kern_unlink+0x60 #7 0xc05d19f9 at unlink+0x22 #8 0xc072156b at syscall+0x152 #9 0xc07093af at Xint0x80_syscall+0x1f ino 2192674, on dev da0s1e 0xcbe47408: tag ufs, type VDIR usecount 2, writecount 0, refcount 4 mountedhere 0 flags () v_object 0xcbe4b870 ref 0 pages 1 lock type ufs: EXCL (count 1) by thread 0xc5b35e00 (pid 98106)#0 0xc05= 45c13 at _lockmgr+0x538 #1 0xc06a766f at ffs_lock+0x6a #2 0xc0738675 at _VOP_LOCK_APV+0x69 #3 0xc05d7f4a at _vn_lock+0x73 #4 0xc05d54e0 at getdirentries+0xf7 #5 0xc072156b at syscall+0x152 #6 0xc07093af at Xint0x80_syscall+0x1f ino 2025752, on dev da0s1e 0xcaa30968: tag ufs, type VDIR usecount 1, writecount 0, refcount 2 mountedhere 0 flags () v_object 0xcbe4b708 ref 0 pages 0 lock type ufs: EXCL (count 1) by thread 0xc4fd6700 (pid 98678)#0 0xc05= 45c13 at _lockmgr+0x538 #1 0xc06a766f at ffs_lock+0x6a #2 0xc0738675 at _VOP_LOCK_APV+0x69 #3 0xc0511569 at unionfs_lock+0x270 #4 0xc0738675 at _VOP_LOCK_APV+0x69 #5 0xc05d7f4a at _vn_lock+0x73 #6 0xc05c06ee at lookup+0xe9 #7 0xc05c1703 at namei+0x358 #8 0xc05d47c0 at kern_mkdir+0x72 #9 0xc05d4b82 at mkdir+0x29 #10 0xc072156b at syscall+0x152 #11 0xc07093af at Xint0x80_syscall+0x1f ino 2169764, on dev da0s1e 0xca00c560: tag ufs, type VDIR usecount 1, writecount 0, refcount 2 mountedhere 0 flags () lock type ufs: SHARED (count 1)#0 0xc0545c13 at _lockmgr+0x538 #1 0xc06a766f at ffs_lock+0x6a #2 0xc0738675 at _VOP_LOCK_APV+0x69 #3 0xc0511569 at unionfs_lock+0x270 #4 0xc0738675 at _VOP_LOCK_APV+0x69 #5 0xc05d7f4a at _vn_lock+0x73 #6 0xc050ba83 at unionfs_nodeget+0x649 #7 0xc05109ca at unionfs_mkdir+0x116 #8 0xc073b771 at VOP_MKDIR_APV+0x94 #9 0xc05d4a75 at kern_mkdir+0x327 #10 0xc05d4b82 at mkdir+0x29 #11 0xc072156b at syscall+0x152 #12 0xc07093af at Xint0x80_syscall+0x1f ino 2169777, on dev da0s1e 0xc9fe5810: tag ufs, type VREG usecount 1, writecount 0, refcount 1 mountedhere 0 flags () lock type ufs: EXCL (count 1) by thread 0xc4dc2700 (pid 98188)#0 0xc05= 45c13 at _lockmgr+0x538 #1 0xc06a766f at ffs_lock+0x6a #2 0xc0738675 at _VOP_LOCK_APV+0x69 #3 0xc05d7f4a at _vn_lock+0x73 #4 0xc05cb994 at vget+0x8b #5 0xc05bfd42 at vfs_hash_get+0x105 #6 0xc06a3003 at ffs_vget+0x49 #7 0xc06add11 at ufs_lookup+0x967 #8 0xc0739a97 at VOP_CACHEDLOOKUP_APV+0x94 #9 0xc05bc44d at vfs_cache_lookup+0xec #10 0xc0739bd1 at VOP_LOOKUP_APV+0x9c #11 0xc05c0971 at lookup+0x36c #12 0xc05c1703 at namei+0x358 #13 0xc05d17ed at kern_unlink+0x60 #14 0xc05d19f9 at unlink+0x22 #15 0xc072156b at syscall+0x152 #16 0xc07093af at Xint0x80_syscall+0x1f ino 2194373, on dev da0s1e 0xcbe3e560: tag unionfs, type VDIR usecount 7, writecount 0, refcount 7 mountedhere 0 flags () v_object 0xcbe4b708 ref 0 pages 0 lock type ufs: EXCL (count 1) by thread 0xc4fd6700 (pid 98678)#0 0xc05= 45c13 at _lockmgr+0x538 #1 0xc06a766f at ffs_lock+0x6a #2 0xc0738675 at _VOP_LOCK_APV+0x69 #3 0xc0511569 at unionfs_lock+0x270 #4 0xc0738675 at _VOP_LOCK_APV+0x69 #5 0xc05d7f4a at _vn_lock+0x73 #6 0xc05c06ee at lookup+0xe9 #7 0xc05c1703 at namei+0x358 #8 0xc05d47c0 at kern_mkdir+0x72 #9 0xc05d4b82 at mkdir+0x29 #10 0xc072156b at syscall+0x152 #11 0xc07093af at Xint0x80_syscall+0x1f unionfs_vp=3D0xcbe3e560, uppervp=3D0xcaa30968, lowervp=3D0xc90b4c18 unionfs: upper 0xcaa30968: tag ufs, type VDIR usecount 1, writecount 0, refcount 2 mountedhere 0 flags () v_object 0xcbe4b708 ref 0 pages 0 lock type ufs: EXCL (count 1) by thread 0xc4fd6700 (pid 98678)#0 0xc05= 45c13 at _lockmgr+0x538 #1 0xc06a766f at ffs_lock+0x6a #2 0xc0738675 at _VOP_LOCK_APV+0x69 #3 0xc0511569 at unionfs_lock+0x270 #4 0xc0738675 at _VOP_LOCK_APV+0x69 #5 0xc05d7f4a at _vn_lock+0x73 #6 0xc05c06ee at lookup+0xe9 #7 0xc05c1703 at namei+0x358 #8 0xc05d47c0 at kern_mkdir+0x72 #9 0xc05d4b82 at mkdir+0x29 #10 0xc072156b at syscall+0x152 #11 0xc07093af at Xint0x80_syscall+0x1f ino 2169764, on dev da0s1e unionfs: lower 0xc90b4c18: tag ufs, type VDIR usecount 1, writecount 0, refcount 2 mountedhere 0 flags () v_object 0xcbe4b690 ref 0 pages 0 lock type ufs: EXCL (count 1) by thread 0xc4fd6700 (pid 98678)#0 0xc05= 45c13 at _lockmgr+0x538 #1 0xc06a766f at ffs_lock+0x6a #2 0xc0738675 at _VOP_LOCK_APV+0x69 #3 0xc051147f at unionfs_lock+0x186 #4 0xc0738675 at _VOP_LOCK_APV+0x69 #5 0xc05d7f4a at _vn_lock+0x73 #6 0xc05c06ee at lookup+0xe9 #7 0xc05c1703 at namei+0x358 #8 0xc05d47c0 at kern_mkdir+0x72 #9 0xc05d4b82 at mkdir+0x29 #10 0xc072156b at syscall+0x152 #11 0xc07093af at Xint0x80_syscall+0x1f ino 2120020, on dev da0s1e 0xca025c18: tag unionfs, type VDIR usecount 1, writecount 0, refcount 1 mountedhere 0 flags () lock type ufs: SHARED (count 1)#0 0xc0545c13 at _lockmgr+0x538 #1 0xc06a766f at ffs_lock+0x6a #2 0xc0738675 at _VOP_LOCK_APV+0x69 #3 0xc0511569 at unionfs_lock+0x270 #4 0xc0738675 at _VOP_LOCK_APV+0x69 #5 0xc05d7f4a at _vn_lock+0x73 #6 0xc050ba83 at unionfs_nodeget+0x649 #7 0xc05109ca at unionfs_mkdir+0x116 #8 0xc073b771 at VOP_MKDIR_APV+0x94 #9 0xc05d4a75 at kern_mkdir+0x327 #10 0xc05d4b82 at mkdir+0x29 #11 0xc072156b at syscall+0x152 #12 0xc07093af at Xint0x80_syscall+0x1f unionfs_vp=3D0xca025c18, uppervp=3D0xca00c560, lowervp=3D0 unionfs: upper 0xca00c560: tag ufs, type VDIR usecount 1, writecount 0, refcount 2 mountedhere 0 flags () lock type ufs: SHARED (count 1)#0 0xc0545c13 at _lockmgr+0x538 #1 0xc06a766f at ffs_lock+0x6a #2 0xc0738675 at _VOP_LOCK_APV+0x69 #3 0xc0511569 at unionfs_lock+0x270 #4 0xc0738675 at _VOP_LOCK_APV+0x69 #5 0xc05d7f4a at _vn_lock+0x73 #6 0xc050ba83 at unionfs_nodeget+0x649 #7 0xc05109ca at unionfs_mkdir+0x116 #8 0xc073b771 at VOP_MKDIR_APV+0x94 #9 0xc05d4a75 at kern_mkdir+0x327 #10 0xc05d4b82 at mkdir+0x29 #11 0xc072156b at syscall+0x152 #12 0xc07093af at Xint0x80_syscall+0x1f ino 2169777, on dev da0s1e db> Core available. Kris --lrZ03NoBR/3+SXJZ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFcf0XWry0BWjoQKURAu+yAKDiDiQwFYOH0OQwI9rUlU3dcxSTxQCfTxXA uW2A2wi0Q03i3+7W+08ZQiA= =19Iw -----END PGP SIGNATURE----- --lrZ03NoBR/3+SXJZ--