LOR in pcm

Hi all.

	Got this on SMP CURRENT from Sun Dec  4 22:06:46 MSK 2005.
	I have no recording devices, FWIW.

lock order reversal:
  1st 0xc35884c0 pcm0 (sound cdev) _at_ /usr/src/sys/dev/sound/pcm/dsp.c:277
  2nd 0xc3562ac0 pcm0:record:0 (pcm record channel) _at_ 
/usr/src/sys/dev/sound/pcm/dsp.c:290
KDB: stack backtrace:
kdb_backtrace(0,ffffffff,c09a4d28,c09a4cb0,c0929504) at kdb_backtrace+0x29
witness_checkorder(c3562ac0,9,c08ab43d,122) at witness_checkorder+0x580
_mtx_lock_flags(c3562ac0,0,c08ab43d,122,1) at _mtx_lock_flags+0x5b
dsp_open(c3586c00,7,2000,c436cc00,c0995100) at dsp_open+0x2b2
giant_open(c3586c00,7,2000,c436cc00,c3586c00) at giant_open+0x30
devfs_open(db324a18) at devfs_open+0x223
VOP_OPEN_APV(c0921cc0,db324a18) at VOP_OPEN_APV+0x7e
vn_open_cred(db324b70,db324c70,468,c3ee6b80,43) at vn_open_cred+0x448
vn_open(db324b70,db324c70,468,43,c09e2ad0) at vn_open+0x1e
kern_open(c436cc00,15696050,0,7,bfbf6478) at kern_open+0xb6
open(c436cc00,db324d04,86,c06acb33,c436cc00) at open+0x1a
syscall(14da003b,bf2f003b,bf2f003b,bfbf6488,15696050) at syscall+0x27e
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (5, FreeBSD ELF32, open), eip = 0x28a70b5f, esp = 
0xbfbf644c, ebp = 0xbfbf6478 ---

-- 
Maxim Maximov