Date: Fri, 24 May 2013 16:06:31 GMT From: Christian A Bryant <admin@canonicaldev.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/178953: kdb_backtrace() at kdb_backtrace+0x39/frame 0xffffff8119758ed0 Message-ID: <201305241606.r4OG6VeI038761@oldred.FreeBSD.org> Resent-Message-ID: <201305241610.r4OGA163007351@freefall.freebsd.org>
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>Number: 178953 >Category: misc >Synopsis: kdb_backtrace() at kdb_backtrace+0x39/frame 0xffffff8119758ed0 >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri May 24 16:10:01 UTC 2013 >Closed-Date: >Last-Modified: >Originator: Christian A Bryant >Release: 10.0-CURRENT >Organization: Canonical Development >Environment: FreeBSD tosh12.canonicaldev.com 10.0-CURRENT FreeBSD 10.0-CURRENT #0: Sat Mar 16 20:09:15 UTC 2013 root@snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 >Description: May 24 08:25:23 tosh12 kernel: lock order reversal: May 24 08:25:23 tosh12 kernel: 1st 0xffffff80f560cff8 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2677 May 24 08:25:23 tosh12 kernel: 2nd 0xfffffe000617f800 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:284 May 24 08:25:23 tosh12 kernel: KDB: stack backtrace: May 24 08:25:23 tosh12 kernel: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffff811988c3d0 May 24 08:25:23 tosh12 kernel: kdb_backtrace() at kdb_backtrace+0x39/frame 0xffffff811988c480 May 24 08:25:23 tosh12 kernel: witness_checkorder() at witness_checkorder+0xc47/frame 0xffffff811988c500 May 24 08:25:23 tosh12 kernel: _sx_xlock() at _sx_xlock+0x73/frame 0xffffff811988c540 May 24 08:25:23 tosh12 kernel: ufsdirhash_add() at ufsdirhash_add+0x3e/frame 0xffffff811988c590 May 24 08:25:23 tosh12 kernel: ufs_direnter() at ufs_direnter+0x685/frame 0xffffff811988c650 May 24 08:25:23 tosh12 kernel: ufs_makeinode() at ufs_makeinode+0x571/frame 0xffffff811988c810 May 24 08:25:23 tosh12 kernel: VOP_CREATE_APV() at VOP_CREATE_APV+0xea/frame 0xffffff811988c840 May 24 08:25:23 tosh12 kernel: vn_open_cred() at May 24 08:25:23 tosh12 kernel: vn_open_cred+0x2dc/frame 0x May 24 08:25:23 tosh12 kernel: fffff May 24 08:25:23 tosh12 kernel: f811 May 24 08:25:23 tosh12 kernel: 988 May 24 08:25:23 tosh12 kernel: c99 May 24 08:25:23 tosh12 kernel: 0 May 24 08:25:23 tosh12 kernel: kern_openat() at kern_openat+0x1f6/frame 0xffffff811988cae0 May 24 08:25:23 tosh12 kernel: amd64_syscall() at amd64_syscall+0x265/frame 0xffffff811988cbf0 May 24 08:25:23 tosh12 kernel: Xfast_syscall() at Xfast_syscall+0xfb/frame 0xffffff811988cbf0 May 24 08:25:23 tosh12 kernel: --- syscall (5, FreeBSD ELF64, sys_open), rip = 0x80181f2ea, rsp = 0x7fffffffd498, rbp = 0x7fffffffd4d0 --- May 24 08:26:02 tosh12 pkg-static: pkg-1.0.12_1 installed May 24 08:26:10 tosh12 pkg: dialog4ports-0.1.3 installed May 24 08:26:36 tosh12 kernel: lock order reversal: May 24 08:26:36 tosh12 kernel: 1st 0xfffffe00101677c8 ufs (ufs) @ /usr/src/sys/kern/vfs_lookup.c:517 May 24 08:26:36 tosh12 kernel: 2nd 0xffffff80f5b972b8 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_vnops.c:262 May 24 08:26:36 tosh12 kernel: 3rd 0xfffffe0010164418 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2177 May 24 08:26:36 tosh12 kernel: KDB: stack backtrace: May 24 08:26:36 tosh12 kernel: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffff8119758e20 May 24 08:26:36 tosh12 kernel: kdb_backtrace() at kdb_backtrace+0x39/frame 0xffffff8119758ed0 May 24 08:26:37 tosh12 kernel: witness_checkorder() at witness_checkorder+0xc47/frame 0xffffff8119758f50 May 24 08:26:37 tosh12 kernel: __lockmgr_args() at __lockmgr_args+0x6c9/frame 0xffffff8119759080 May 24 08:26:37 tosh12 kernel: ffs_lock() at ffs_lock+0x84/frame 0xffffff81197590d0 May 24 08:26:37 tosh12 kernel: VOP_LOCK1_APV() at VOP_LOCK1_APV+0xf9/frame 0xffffff8119759100 May 24 08:26:37 tosh12 kernel: _vn_lock() at _vn_lock+0xab/frame 0xffffff8119759170 May 24 08:26:37 tosh12 kernel: vget() at vget+0x70/frame 0xffffff81197591c0 May 24 08:26:37 tosh12 kernel: vfs_hash_get() at vfs_hash_get+0xf5/frame 0xffffff8119759210 May 24 08:26:37 tosh12 kernel: ffs_vgetf() at ffs_vgetf+0x41/frame 0xffffff81197592b0 May 24 08:26:37 tosh12 kernel: softdep_sync_buf() at softdep_sync_buf+0x4f0/frame 0xffffff8119759330 May 24 08:26:37 tosh12 kernel: ffs_syncvnode() at ffs_syncvnode+0x25d/frame 0xffffff81197593b0 May 24 08:26:37 tosh12 kernel: ffs_truncate() at ffs_truncate+0x6c7/frame 0xffffff8119759590 May 24 08:26:37 tosh12 kernel: ufs_direnter() at ufs_direnter+0x88e/frame 0xffffff8119759650 May 24 08:26:37 tosh12 kernel: ufs_makeinode() at ufs_makeinode+0x571/frame 0xffffff8119759810 May 24 08:26:37 tosh12 kernel: VOP_CREATE_APV() at VOP_CREATE_APV+0xea/frame 0xffffff8119759840 May 24 08:26:37 tosh12 kernel: vn_open_cred() at vn_open_cred+0x2dc/frame 0xffffff8119759990 May 24 08:26:37 tosh12 kernel: kern_openat() at kern_openat+0x1f6/frame 0xffffff8119759ae0 May 24 08:26:37 tosh12 kernel: amd64_syscall() at amd64_syscall+0x265/frame 0xffffff8119759bf0 May 24 08:26:37 tosh12 kernel: Xfast_syscall() at Xfast_syscall+0xfb/frame 0xffffff8119759bf0 May 24 08:26:37 tosh12 kernel: --- syscall (5, FreeBSD ELF64, sys_open), rip = 0x800dcf2ea, rsp = 0x7fffffffcef8, rbp = 0x7fffffffcfd0 --- >How-To-Repeat: Let server sit idle for 10 minutes after boot, then suddenly the above dumps to the screen. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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