2 new LORs using tonight's HEAD: UFS and DEVFS

I got the following using sources that are up to the minute:

SMP: AP CPU #1 Launched!
WARNING: WITNESS option enabled, expect reduced performance.
lock order reversal:
  1st 0xc54d3e28 devfs (devfs) _at_ /usr/local/src/sys/kern/vfs_subr.c:2061
  2nd 0xc5639454 devfsmount (devfsmount) _at_ /usr/local/src/sys/fs/devfs/devfs_vnops.c:201
KDB: stack backtrace:
db_trace_self_wrapper(c07757e3,e3ef6bbc,c05a3c9e,c0777c85,c5639454,...) at db_trace_self_wrapper+0x26
kdb_backtrace(c0777c85,c5639454,c076961a,c076961a,c076965b,...) at kdb_backtrace+0x29
witness_checkorder(c5639454,9,c076965b,c9,c7,...) at witness_checkorder+0x6de
_sx_xlock(c5639454,0,c076965b,c9,c5639454,...) at _sx_xlock+0x7d
devfs_allocv(c530a500,c5693000,e3ef6c28,c5310000,c077db14,...) at devfs_allocv+0x144
devfs_root(c5693000,2,c084c6d8,c5310000,ca,...) at devfs_root+0x51
set_rootvnode(c084c6c0,0,c077db14,5ed,c05e03b0,...) at set_rootvnode+0x2b
vfs_mountroot(c07fa6f0,4,c076d677,260,0,...) at vfs_mountroot+0x356
start_init(0,e3ef6d38,c076efe5,30c,c530d000,...) at start_init+0x65
fork_exit(c0533ef0,0,e3ef6d38) at fork_exit+0xb8
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xe3ef6d70, ebp = 0 ---

Trying to mount root from ufs:/dev/ad0s2a
lock order reversal:
  1st 0xc56ab168 ufs (ufs) _at_ /usr/local/src/sys/kern/vfs_subr.c:2061
  2nd 0xc5693000 vfslock (vfslock) _at_ /usr/local/src/sys/kern/vfs_subr.c:364
KDB: stack backtrace:
db_trace_self_wrapper(c07757e3,e3ef69e4,c05a3c9e,c0777c85,c5693000,...) at db_trace_self_wrapper+0x26
kdb_backtrace(c0777c85,c5693000,c077dc1d,c077dc1d,c077e1b5,...) at kdb_backtrace+0x29
witness_checkorder(c5693000,1,c077e1b5,16c,e3ef6a24,...) at witness_checkorder+0x6de
_lockmgr(c5693000,2001,c5693030,c077e1b5,16c,...) at _lockmgr+0x1e5
vfs_busy(c5693000,0,0,c5310000,e3ef6b58,...) at vfs_busy+0x198
lookup(e3ef6b44,c077d8bc,c6,bf,c52e192c,...) at lookup+0x764
namei(e3ef6b44,c5310094,c07bf264,c077db14,c5693030,...) at namei+0x2eb
kern_unlink(c5310000,c077df57,1,628,0,...) at kern_unlink+0x40
vfs_mountroot_try(c077e111,c076c5ac,c07677ae,1,c05e03b0,...) at vfs_mountroot_try+0x470
vfs_mountroot(c07fa6f0,4,c076d677,260,0,...) at vfs_mountroot+0x418
start_init(0,e3ef6d38,c076efe5,30c,c530d000,...) at start_init+0x65
fork_exit(c0533ef0,0,e3ef6d38) at fork_exit+0xb8
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xe3ef6d70, ebp = 0 ---

lock order reversal:
  1st 0xc5312044 user map (user map) _at_ /usr/local/src/sys/vm/vm_map.c:3111
  2nd 0xc54d4e28 ufs (ufs) _at_ /usr/local/src/sys/kern/vfs_subr.c:2061
KDB: stack backtrace:
db_trace_self_wrapper(c07757e3,e3ef69d0,c05a3c9e,c0777c85,c54d4e28,...) at db_trace_self_wrapper+0x26
kdb_backtrace(c0777c85,c54d4e28,c076ce97,c076ce97,c077e1b5,...) at kdb_backtrace+0x29
witness_checkorder(c54d4e28,1,c077e1b5,80d,e3ef6a04,...) at witness_checkorder+0x6de
_lockmgr(c54d4e28,3041,c54d4e58,c077e1b5,80d,...) at _lockmgr+0x1e5
ffs_lock(e3ef6a78,c055d1ed,c08058b4,3041,c54d4dd0,...) at ffs_lock+0x8a
VOP_LOCK1_APV(c07d2800,e3ef6a78,c076c5aa,3,c54d4e58,...) at VOP_LOCK1_APV+0xa5
_vn_lock(c54d4dd0,3041,c077e1b5,80d,0,...) at _vn_lock+0xf2
vget(c54d4dd0,3041,c5310000,4a9,c1851180,...) at vget+0x109
vnode_pager_lock(c1851000,0,c07903e2,127,e3ef6be8,...) at vnode_pager_lock+0x1ad
vm_fault(c5312000,80b7000,2,8,80b7140,...) at vm_fault+0x1df
trap_pfault(5,0,c079a03f,2c8,c,...) at trap_pfault+0xf9
trap(e3ef6d38) at trap+0x25d
calltrap() at calltrap+0x6
--- trap 0xc, eip = 0x80480e5, esp = 0xbfbfef10, ebp = 0xbfbfef30 ---