Date: Sat, 10 Oct 2009 22:25:03 +0200 From: Harald Schmalzbauer <h.schmalzbauer@omnilan.de> To: Alexander Best <alexbestms@math.uni-muenster.de> Cc: freebsd-current@freebsd.org Subject: Re: Where to report LORs? (ffs and unionfs LORs included Message-ID: <4AD0ED9F.3080706@omnilan.de> In-Reply-To: <permail-20090707193351f7e55a9d00005ab6-a_best01@message-id.uni-muenster.de> References: <permail-20090707193351f7e55a9d00005ab6-a_best01@message-id.uni-muenster.de>
next in thread | previous in thread | raw e-mail | index | archive | help
This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigD8B84B0F37AD484C517CA65F Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Alexander Best schrieb am 07.07.2009 21:33 (localtime): > try http://sources.zabbadoz.net/freebsd/lor.html I still see a unionfs LOR with RELENG_8 which is not listed, so I'd like = to report it again. lock order reversal: 1st 0xc372c488 unionfs (unionfs) @=20 /FlashBSD/src/sys/fs/unionfs/union_subr.c:356 2nd 0xc372c594 ufs (ufs) @ /FlashBSD/src/sys/kern/vfs_subr.c:2188 KDB: stack backtrace: db_trace_self_wrapper(c0616390,c08cd5d5,c3416770,c3416500,d5c42864,...)=20 at db_trace_self_wrapper+0x26 _witness_debugger(c08cd5d5,c372c594,c08c0703,c3416500,c08d4ec2,...) at=20 _witness_debugger+0x49 witness_checkorder(c372c594,9,c08d4ec2,88c,0,...) at=20 witness_checkorder+0x6ec __lockmgr_args(c372c594,80100,c372c5b0,0,0,...) at __lockmgr_args+0xc97 ffs_lock(d5c42958,8,c36c4764,80100,c372c53c,...) at ffs_lock+0x96 VOP_LOCK1_APV(c09374a0,d5c42958,c05d89e9,c09477c0,c372c53c,...) at=20 VOP_LOCK1_APV+0x9a _vn_lock(c372c53c,80100,c08d4ec2,88c,c0877c6e,...) at _vn_lock+0x46 vrele(c372c53c,d5c429d8,c372c4a4,0,0,...) at vrele+0x12a unionfs_noderem(c372c430,c36c46c0,d5c42a44,c06764fc,d5c42a20,...) at=20 unionfs_noderem+0x1e5 unionfs_reclaim(d5c42a20,d5c42a20,0,0,c372c4a4,...) at unionfs_reclaim+0x= 1b vgonel(c372c4a4,0,c08d4ec2,9c5,c372c4a4,...) at vgonel+0x100 vrecycle(c372c430,c36c46c0,d5c42aa4,c0675c29,d5c42a8c,...) at vrecycle+0x= 6a unionfs_inactive(d5c42a8c,d5c42a8c,c08d4ec2,924,c0947780,...) at=20 unionfs_inactive+0x28 vinactive(c372c594,d5c42ac0,c08d4ec2,8aa,c3451de0,...) at vinactive+0x6a vput(c372c430,ffffffdf,c344ab80,0,c36c46c0,...) at vput+0x205 kern_statat_vnhook(c36c46c0,0,ffffff9c,28209e1c,0,...) at=20 kern_statat_vnhook+0xe0 kern_statat(c36c46c0,0,ffffff9c,28209e1c,0,...) at kern_statat+0x3c kern_stat(c36c46c0,28209e1c,0,d5c42c18,c0a83a18,...) at kern_stat+0x36 stat(c36c46c0,d5c42cf8,8,d5c42d38,c0916cd0,...) at stat+0x2b syscall(d5c42d38) at syscall+0x176 Xint0x80_syscall() at Xint0x80_syscall+0x20 --- syscall (188, FreeBSD ELF32, stat), eip =3D 0x281c6c2b, esp =3D=20 0xbfbfe96c, ebp =3D 0xbfbfea68 --- So far I couldn't notice any deadlock, but the box is not in production y= et. -Harry --------------enigD8B84B0F37AD484C517CA65F Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.13 (FreeBSD) iEYEARECAAYFAkrQ7aAACgkQLDqVQ9VXb8iy2wCfWZ0ykfyvAg08FHKeCJTLPvDf qFEAoIj8iEiDC1Flk1/b7ZGVRZD3t1cL =DMou -----END PGP SIGNATURE----- --------------enigD8B84B0F37AD484C517CA65F--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4AD0ED9F.3080706>