panic on reboot (geli+glabel)

After upgrade to r228059 my system panics on each reboot.

(kgdb) bt
#0  doadump (textdump=0) at pcpu.h:244
#1  0xc04a5c31 in db_dump (dummy=-1067276850, dummy2=0, dummy3=-1, dummy4=0xc4a0996c "") at /usr/src/sys/ddb/db_command.c:537
#2  0xc04a5713 in db_command (last_cmdp=0xc094b2bc, cmd_table=0x0, dopager=1) at /usr/src/sys/ddb/db_command.c:448
#3  0xc04a5842 in db_command_loop () at /usr/src/sys/ddb/db_command.c:501
#4  0xc04a765f in db_trap (type=12, code=0) at /usr/src/sys/ddb/db_main.c:229
#5  0xc066fcab in kdb_trap (type=12, code=0, tf=0xc4a09bec) at /usr/src/sys/kern/subr_kdb.c:625
#6  0xc084561e in trap_fatal (frame=0xc4a09bec, eva=4026593588) at /usr/src/sys/i386/i386/trap.c:966
#7  0xc0845980 in trap_pfault (frame=0xc4a09bec, usermode=0, eva=4026593588) at /usr/src/sys/i386/i386/trap.c:888
#8  0xc084686f in trap (frame=0xc4a09bec) at /usr/src/sys/i386/i386/trap.c:558
#9  0xc083012c in calltrap () at /usr/src/sys/i386/i386/exception.s:168
#10 0xc062a5ce in _mtx_lock_sleep (m=0x0, tid=3302765280, opts=Variable "opts" is not available.
) at /usr/src/sys/kern/kern_mutex.c:370
#11 0xc05d65f3 in g_vfs_orphan (cp=0xc5152900) at /usr/src/sys/geom/geom_vfs.c:174
#12 0xc05d15eb in g_run_events () at /usr/src/sys/geom/geom_event.c:211
#13 0xc05d2a7e in g_event_procbody (arg=0x0) at /usr/src/sys/geom/geom_kern.c:122
#14 0xc060dc49 in fork_exit (callout=0xc05d2a14 <g_event_procbody>, arg=0x0, frame=0xc4a09d28) at /usr/src/sys/kern/kern_fork.c:995
#15 0xc08301d4 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:275

(kgdb) f 11
#11 0xc05d65f3 in g_vfs_orphan (cp=0xc5152900) at /usr/src/sys/geom/geom_vfs.c:174
174             mtx_lock(&sc->sc_mtx);

(kgdb) p *cp->geom
$8 = {name = 0xc50f2b60 "ffs.label/spool2.eli", class = 0xc0912880, geom = {le_next = 0xc518a980, le_prev = 0xc09128d0}, consumer = {lh_first = 0xc5152900}, provider = {
    lh_first = 0x0}, geoms = {tqe_next = 0x0, tqe_prev = 0xc5269d98}, rank = 5, start = 0, spoiled = 0, attrchanged = 0, dumpconf = 0, access = 0,
  orphan = 0xc05d6588 <g_vfs_orphan>, ioctl = 0, spare0 = 0x0, spare1 = 0x0, softc = 0x0, flags = 1}

crashinfo:
http://dl.dropbox.com/u/8798217/tmp/core.txt.0.gz

-- 
 Anton Yuzhaninov