From owner-freebsd-bugs@freebsd.org Mon Oct 12 22:29:27 2015 Return-Path: Delivered-To: freebsd-bugs@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 4AF24A11AB3 for ; Mon, 12 Oct 2015 22:29:27 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 1DFC8120F for ; Mon, 12 Oct 2015 22:29:27 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id t9CMTQb1008790 for ; Mon, 12 Oct 2015 22:29:26 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 192923] Lock order reversal in vfs_bio.c bufwait Date: Mon, 12 Oct 2015 22:29:26 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: daryl@ci.com.au X-Bugzilla-Status: New X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Oct 2015 22:29:27 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192923 --- Comment #2 from daryl@ci.com.au --- I am also getting this problem on each reboot. FreeBSD 11.0-CURRENT #1 r289163 ------ Trying to mount root from ufs:/dev/gpt/ssdroot [rw]... lock order reversal: 1st 0xfffff8001a89c068 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2231 2nd 0xfffffe07c6843280 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_vnops.c:263 3rd 0xfffff80018f1fb78 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2231 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe085e0b8d40 witness_checkorder() at witness_checkorder+0xe79/frame 0xfffffe085e0b8dc0 __lockmgr_args() at __lockmgr_args+0xd3b/frame 0xfffffe085e0b8e70 ffs_lock() at ffs_lock+0xa6/frame 0xfffffe085e0b8ec0 VOP_LOCK1_APV() at VOP_LOCK1_APV+0x100/frame 0xfffffe085e0b8ef0 _vn_lock() at _vn_lock+0x9a/frame 0xfffffe085e0b8f60 vget() at vget+0x63/frame 0xfffffe085e0b8fb0 vfs_hash_get() at vfs_hash_get+0xcc/frame 0xfffffe085e0b9000 ffs_vgetf() at ffs_vgetf+0x40/frame 0xfffffe085e0b9090 softdep_sync_buf() at softdep_sync_buf+0xad1/frame 0xfffffe085e0b9170 ffs_syncvnode() at ffs_syncvnode+0x256/frame 0xfffffe085e0b91f0 ffs_truncate() at ffs_truncate+0x6cd/frame 0xfffffe085e0b93e0 ufs_direnter() at ufs_direnter+0x7bb/frame 0xfffffe085e0b94b0 ufs_makeinode() at ufs_makeinode+0x5f3/frame 0xfffffe085e0b9670 ufs_create() at ufs_create+0x2d/frame 0xfffffe085e0b9690 VOP_CREATE_APV() at VOP_CREATE_APV+0xf1/frame 0xfffffe085e0b96c0 vn_open_cred() at vn_open_cred+0x2f8/frame 0xfffffe085e0b9830 kern_openat() at kern_openat+0x25c/frame 0xfffffe085e0b99a0 amd64_syscall() at amd64_syscall+0x2de/frame 0xfffffe085e0b9ab0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe085e0b9ab0 --- syscall (499, FreeBSD ELF64, sys_openat), rip = 0x800b5cb0a, rsp = 0x7fffffffd538, rbp = 0x7fffffffd620 --- -- You are receiving this mail because: You are the assignee for the bug.