Date: Fri, 23 Aug 2013 17:25:49 +0200 From: Ke Sun <sunk.cs@gmail.com> To: freebsd-current@freebsd.org Subject: LOR on reboot Message-ID: <20130823152549.GA32613@probe.unige.ch>
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Hi current, I have FreeBSD 10.0-CURRENT #5 r254404 on my laptop. During reboot, I get the following LOR. Could someone please fix this? Thanks! Ke Sun Syncing disks, vnodes remaining...0 0 0 0 0 0 done All buffers synced. lock order reversal: 1st 0xfffffe00094bd5f0 zfs (zfs) @ /usr/src/sys/kern/vfs_mount.c:1237 2nd 0xfffffe000903b418 devfs (devfs) @ /usr/src/sys/ufs/ffs/ffs_vfsops.c:1411 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffff81a7582470 kdb_backtrace() at kdb_backtrace+0x39/frame 0xffffff81a7582520 witness_checkorder() at witness_checkorder+0xd4f/frame 0xffffff81a75825b0 __lockmgr_args() at __lockmgr_args+0x6f2/frame 0xffffff81a75826e0 vop_stdlock() at vop_stdlock+0x3c/frame 0xffffff81a7582700 VOP_LOCK1_APV() at VOP_LOCK1_APV+0xf5/frame 0xffffff81a7582730 _vn_lock() at _vn_lock+0xab/frame 0xffffff81a75827a0 ffs_flushfiles() at ffs_flushfiles+0x88/frame 0xffffff81a7582800 ffs_unmount() at ffs_unmount+0x162/frame 0xffffff81a7582860 dounmount() at dounmount+0x39e/frame 0xffffff81a75828e0 vfs_unmountall() at vfs_unmountall+0x61/frame 0xffffff81a7582910 kern_reboot() at kern_reboot+0x548/frame 0xffffff81a7582980 sys_reboot() at sys_reboot+0x58/frame 0xffffff81a75829a0 amd64_syscall() at amd64_syscall+0x265/frame 0xffffff81a7582ab0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xffffff81a7582ab0 --- syscall (55, FreeBSD ELF64, sys_reboot), rip = 0x80085f5ec, rsp = 0x7fffffffd9b8, rbp = 0x7fffffffdb20 ---
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