FreeBSD ARMv6 RaspberryPi EABI crash

FreeBSD/arm (raspberry-pi) (ttyu0)

login: Fatal kernel mode prefetch abort at 0xffffffec
trapframe: 0xdafeffa4, spsr=60000013
r0 =00000000, r1 =00000004, r2 =600000d3, r3 =60000013
r4 =c253a400, r5 =00000000, r6 =000005dc, r7 =c253a44c
r8 =000000b8, r9 =00000000, r10=00000001, r11=00000eb0
r12=00000000, ssp=dafefff0, slr=c044629c, pc =ffffffec

[ thread pid 3653 tid 100078 ]
Stopped at      0xffffffec:     address 0xffffffec is invalid
*** error reading from address ffffffecf2201000 ***
db> bt
Tracing pid 3653 tid 100078 td 0xc23e9000
db_trace_self() at db_trace_self
         pc = 0xc0442df4  lr = 0xc012c508 (db_stack_trace+0xf4)
         sp = 0xdafefccc  fp = 0xdafefce4
        r10 = 0xc052bb90
db_stack_trace() at db_stack_trace+0xf4
         pc = 0xc012c508  lr = 0xc012be74 (db_command+0x264)
         sp = 0xdafefcec  fp = 0xdafefd8c
         r4 = 0x00000000  r5 = 0x00000000
         r6 = 0xc049e443
db_command() at db_command+0x264
         pc = 0xc012be74  lr = 0xc012bbe4 (db_command_loop+0x60)
         sp = 0xdafefd94  fp = 0xdafefda4
         r4 = 0xc048007b  r5 = 0xc049809e
         r6 = 0xc059b86c  r7 = 0xdafeffa4
         r8 = 0xdafeffa4  r9 = 0xc05810c4
        r10 = 0xc052be00
db_command_loop() at db_command_loop+0x60
         pc = 0xc012bbe4  lr = 0xc012e5e4 (db_trap+0xdc)
         sp = 0xdafefdac  fp = 0xdafefecc
         r4 = 0x00000000  r5 = 0xdafefdb4
         r6 = 0xc05810f0
db_trap() at db_trap+0xdc
         pc = 0xc012e5e4  lr = 0xc02738bc (kdb_trap+0xd4)
         sp = 0xdafefed4  fp = 0xdafefef4
         r4 = 0x00000000  r5 = 0x00000000
         r6 = 0xc05810f0  r7 = 0xdafeffa4
kdb_trap() at kdb_trap+0xd4
         pc = 0xc02738bc  lr = 0xc0452440 (dab_fatal+0x174)
         sp = 0xdafefefc  fp = 0xdafeff14
         r4 = 0xdafeffa4  r5 = 0x200001d3
         r6 = 0xffffffec  r7 = 0x00000000
         r8 = 0xdafeffa4  r9 = 0x00000000
        r10 = 0xc2447c80
dab_fatal() at dab_fatal+0x174
         pc = 0xc0452440  lr = 0xc045272c ($d)
         sp = 0xdafeff1c  fp = 0xdafeff9c
         r4 = 0xc253a400  r5 = 0xc23e9000
         r6 = 0x000005dc  r7 = 0x60000113
$d() at $d
         pc = 0xc045272c  lr = 0xc0444620 (exception_exit)
         sp = 0xdafeffa4  fp = 0x00000eb0
         r4 = 0xc253a400  r5 = 0x00000000
         r6 = 0x000005dc  r7 = 0xc253a44c
         r8 = 0x000000b8  r9 = 0x00000000
        r10 = 0x00000001
exception_exit() at exception_exit
         pc = 0xc0444620  lr = 0xc044629c (spinlock_exit+0x18)
         sp = 0xdafefff0  fp = 0x00000eb0
         r0 = 0x00000000  r1 = 0x00000004
         r2 = 0x600000d3  r3 = 0x60000013
         r4 = 0xc253a400  r5 = 0x00000000
         r6 = 0x000005dc  r7 = 0xc253a44c
         r8 = 0x000000b8  r9 = 0x00000000
        r10 = 0x00000001 r12 = 0x00000000
Unknown entry: 0
end() at 0xffffffec
         pc = 0xffffffec  lr = 0xc044629c (spinlock_exit+0x18)
         sp = 0xdafefff0  fp = 0x00000eb0
Unable to unwind into user mode