From owner-freebsd-current@freebsd.org Mon Nov 23 21:00:11 2015 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F112DA36986 for ; Mon, 23 Nov 2015 21:00:10 +0000 (UTC) (envelope-from mmitchel@gmail.com) Received: from mail-pa0-x22d.google.com (mail-pa0-x22d.google.com [IPv6:2607:f8b0:400e:c03::22d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id BACF417CC for ; Mon, 23 Nov 2015 21:00:10 +0000 (UTC) (envelope-from mmitchel@gmail.com) Received: by pacej9 with SMTP id ej9so202210712pac.2 for ; Mon, 23 Nov 2015 13:00:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=qxg9s6xpEaFYd2QUbQSYm1I0DzFK/kQ/vYjx1fB4+c0=; b=dJqAr2HkfqtTKgDeAOBP8dAqHlJaZbMvUhvQ2eqCqxW1uW8E/0vWs7qIUKyrYTW1ra CJ2nqyqSOVi7nRP/n0FnvyC2t6N48QDD90ZIEr3qXfUAaqaBhuxTzqQ4KGaa2n+GFTAF rBVzvYTGDr3dkURt4P55F3R8Gn1sAwhVEimuYgck/Px9A8X52Vt0mfqrlOLF2oJTr3jM m0I2kEZ+zWRjeBoGO8mN2ze+UW0jP6h1EXea0CJfNNkGuZfDnapTRmQ2shNlg29Dt6bo buWtcX+kP1EfTF9kT6wu2e+S161/7+AUtEDgCi5vUa2VcArAJXqHrhaKcFRfhgv/vINg jAYA== X-Received: by 10.66.253.5 with SMTP id zw5mr21513883pac.100.1448312410312; Mon, 23 Nov 2015 13:00:10 -0800 (PST) Received: from [172.16.0.5] (ip68-8-104-248.sd.sd.cox.net. [68.8.104.248]) by smtp.gmail.com with ESMTPSA id f13sm11110125pfj.35.2015.11.23.13.00.08 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 23 Nov 2015 13:00:08 -0800 (PST) Subject: Re: New LOR in zfs? Mime-Version: 1.0 (Mac OS X Mail 9.1 \(3096.5\)) Content-Type: text/plain; charset=utf-8 From: Michael Mitchell In-Reply-To: <5653798F.1060708@pix.net> Date: Mon, 23 Nov 2015 13:00:06 -0800 Cc: FreeBSD-Current Content-Transfer-Encoding: quoted-printable Message-Id: References: <5653798F.1060708@pix.net> To: Kurt Lidl X-Mailer: Apple Mail (2.3096.5) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 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: Mon, 23 Nov 2015 21:00:11 -0000 build and install the kernel GENERIC-NODEBUG; the -CURRENT has WITNESS enabled=E2=80=A6 : mdm > On Nov 23, 2015, at 12:39 PM, Kurt Lidl wrote: >=20 > I installed a build of r291086 on a machine today > (previously, the machine had been running 10/stable). >=20 > I ran the following two commands just after rebooting > with the new user-land bits: >=20 > root@ton-95: df > Filesystem 1K-blocks Used Avail Capacity Mounted on > sys/ROOT/default 18061924 804940 17256984 4% / > devfs 1 1 0 100% /dev > tmpfs 65536 8 65528 0% /tmp > sys/home 17257108 124 17256984 0% /home > sys/local 17283924 26940 17256984 0% /usr/local > sys/obj.4 19440624 2183640 17256984 11% /usr/obj > sys/obj.1 19440440 2183456 17256984 11% /usr/obj.1 > sys/obj.2 19588696 2331712 17256984 12% /usr/obj.2 > sys/obj.3 19588636 2331652 17256984 12% /usr/obj.3 > sys/ports 17257080 96 17256984 0% /usr/ports > sys/src 19740468 2483484 17256984 13% /usr/src > sys/var 17358024 101040 17256984 1% /var > root@ton-96: zfs set mountpoint=3D/usr/obj.4 sys/obj.4 >=20 > I got a LOR (new to me, at any rate) on the console: > lock order reversal: > 1st 0xfffff8000612da38 zfs (zfs) @ /usr/src/sys/kern/vfs_mount.c:1224 > 2nd 0xfffff8000612d4b0 zfs_gfs (zfs_gfs) @ = /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/gfs.c:494 > stack backtrace: > #0 0xc05b1e3c at __lockmgr_args???=3D?-~????+0xa3c > #1 0xc06a9118 at vop_std???=3D?-~????lock+0x38 > #2 0xc09e8164 at VOP_???=3D?-~????LOCK1_APV+0x104 > #3 0xc06d125c a???=3D?-~????t _vn_lock+0x9c > #4 0xc12a7b04 a???=3D?-~????t gfs_file_create+0x64 > #5 0xc12???=3D?-~????a7c14 at gfs_dir_create+0x14 > #6???=3D?-~???? 0xc139fc14 at zfsctl_mknode_sn???=3D?-~????apdir+0x54 > #7 0xc12a82bc at gfs???=3D?-~????_dir_lookup+0x31c > #8 0xc139f6cc???=3D?-~???? at zfsctl_root_lookup+0x12c > #9???=3D?-~???? 0xc139f7b4 at zfsctl_umount_sn???=3D?-~????apshots+0x54 > #10 0xc13bb44c at ???=3D?-~????zfs_umount+0x4c > #11 0xc06b34a8 ???=3D?-~????at dounmount+0xbc8 > #12 0xc06b38???=3D?-~????f0 at sys_unmount+0x410 > #13 0xc???=3D?-~????09de004 at syscall+0x3c4 >=20 > The machine in question is a sparc4u machine, but I do not think > it matters. >=20 > -Kurt > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to = "freebsd-current-unsubscribe@freebsd.org"