From owner-freebsd-stable@freebsd.org Sun Aug 7 20:46:32 2016 Return-Path: Delivered-To: freebsd-stable@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 DD117BB179A for ; Sun, 7 Aug 2016 20:46:32 +0000 (UTC) (envelope-from freebsd@omnilan.de) Received: from mx0.gentlemail.de (mx0.gentlemail.de [IPv6:2a00:e10:2800::a130]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7D23B1472 for ; Sun, 7 Aug 2016 20:46:32 +0000 (UTC) (envelope-from freebsd@omnilan.de) Received: from mh0.gentlemail.de (ezra.dcm1.omnilan.net [IPv6:2a00:e10:2800::a135]) by mx0.gentlemail.de (8.14.5/8.14.5) with ESMTP id u77KkTS4055784 for ; Sun, 7 Aug 2016 22:46:29 +0200 (CEST) (envelope-from freebsd@omnilan.de) Received: from titan.inop.mo1.omnilan.net (titan.inop.mo1.omnilan.net [IPv6:2001:a60:f0bb:1::3:1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mh0.gentlemail.de (Postfix) with ESMTPSA id B6A5B9A3; Sun, 7 Aug 2016 22:46:28 +0200 (CEST) Message-ID: <57A79E24.8000100@omnilan.de> Date: Sun, 07 Aug 2016 22:46:28 +0200 From: Harry Schmalzbauer Organization: OmniLAN User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; de-DE; rv:1.9.2.8) Gecko/20100906 Lightning/1.0b2 Thunderbird/3.1.2 MIME-Version: 1.0 To: FreeBSD Stable Subject: 1-BETA3 Panic: __lockmgr_args: downgrade a recursed lockmgr nfs @ /usr/local/share/deploy-tools/RELENG_11/src/sys/fs/unionfs/union_vnops.c:1905 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (mx0.gentlemail.de [IPv6:2a00:e10:2800::a130]); Sun, 07 Aug 2016 22:46:29 +0200 (CEST) X-Milter: Spamilter (Reciever: mx0.gentlemail.de; Sender-ip: ; Sender-helo: mh0.gentlemail.de; ) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Aug 2016 20:46:33 -0000 Hello, I had another crash which I'm quite sure was triggered by mount_unionfs: Unread portion of the kernel message buffer: panic: __lockmgr_args: downgrade a recursed lockmgr nfs @ /usr/local/share/deploy-tools/RELENG_11/src/sys/fs/unionfs/union_vnops.c:1905 cpuid = 3 KDB: stack backtrace: #0 0xffffffff80b2d887 at kdb_backtrace+0x67 #1 0xffffffff80ae5332 at vpanic+0x182 #2 0xffffffff80ae51a3 at panic+0x43 #3 0xffffffff80ab6987 at __lockmgr_args+0xe87 #4 0xffffffff80ba3c7c at vop_stdlock+0x3c #5 0xffffffff811112cd at VOP_LOCK1_APV+0x8d #6 0xffffffff80a17c1c at unionfs_lock+0x48c #7 0xffffffff811112cd at VOP_LOCK1_APV+0x8d #8 0xffffffff80bc8703 at _vn_lock+0x43 #9 0xffffffff80a17380 at unionfs_readdir+0x140 #10 0xffffffff81110e6f at VOP_READDIR_APV+0x8f #11 0xffffffff80bc59ab at kern_getdirentries+0x21b #12 0xffffffff80bc5768 at sys_getdirentries+0x28 #13 0xffffffff80fab6ae at amd64_syscall+0x4ce #14 0xffffffff80f8dc0b at Xfast_syscall+0xfb Uptime: 44m36s Dumping 337 out of 2002 MB:..5%..15%..24%..34%..43%..53%..62%..72%..81%..91% #0 doadump (textdump=) at pcpu.h:221 221 pcpu.h: Permission denied. in pcpu.h (kgdb) backtrace #0 doadump (textdump=) at pcpu.h:221 #1 0xffffffff80ae4db9 in kern_reboot (howto=260) at /usr/local/share/deploy-tools/RELENG_11/src/sys/kern/kern_shutdown.c:366 #2 0xffffffff80ae536b in vpanic (fmt=, ap=) at /usr/local/share/deploy-tools/RELENG_11/src/sys/kern/kern_shutdown.c:759 #3 0xffffffff80ae51a3 in panic (fmt=0x0) at /usr/local/share/deploy-tools/RELENG_11/src/sys/kern/kern_shutdown.c:690 #4 0xffffffff80ab6987 in __lockmgr_args (lk=, flags=, ilk=, wmesg=, pri=, timo=, file=, line=) at /usr/local/share/deploy-tools/RELENG_11/src/sys/kern/kern_lock.c:992 #5 0xffffffff80ba3c7c in vop_stdlock (ap=) at lockmgr.h:98 #6 0xffffffff811112cd in VOP_LOCK1_APV (vop=, a=) at vnode_if.c:2087 #7 0xffffffff80a17c1c in unionfs_lock (ap=0xfffffe00002296a0) at vnode_if.h:859 #8 0xffffffff811112cd in VOP_LOCK1_APV (vop=, a=) at vnode_if.c:2087 #9 0xffffffff80bc8703 in _vn_lock (vp=, flags=66560, file=, line=) at vnode_if.h:859 #10 0xffffffff80a17380 in unionfs_readdir (ap=) at /usr/local/share/deploy-tools/RELENG_11/src/sys/fs/unionfs/union_vnops.c:1531 #11 0xffffffff81110e6f in VOP_READDIR_APV (vop=, a=) at vnode_if.c:1822 #12 0xffffffff80bc59ab in kern_getdirentries (td=, fd=, buf=0x800a35000
, count=, basep=0xfffffe0000229980, residp=0x0) at vnode_if.h:758 #13 0xffffffff80bc5768 in sys_getdirentries (td=0x0, uap=0xfffffe0000229a40) at /usr/local/share/deploy-tools/RELENG_11/src/sys/kern/vfs_syscalls.c:3940 #14 0xffffffff80fab6ae in amd64_syscall (td=, traced=0) at subr_syscall.c:135 #15 0xffffffff80f8dc0b in Xfast_syscall () at /usr/local/share/deploy-tools/RELENG_11/src/sys/amd64/amd64/exception.S:396 #16 0x000000000045da4a in ?? () Previous frame inner to this frame (corrupt stack?) Current language: auto; currently minimal Analyzing is out of my scope, sorry. But I hope somebody else can before 11-RELEASE ships with this problem. Thanks, -Harry