[14-CURRENT]BBB can't boot 14-CURRENT GENERICSD-20210805

I can use 13.0-STABLE-arm-armv7-GENERICSD-20210812 on Beaglebone Black[OK].

However, I tested 14-CURRENT GENERICSD-20210805 on Beaglebone Black.
It can't boot with the below message[NG].

Please let me know to solve this issue.

If I use the same microSD on Raspberry PI2, it can boot without issue.
I put all boot console messages.
https://people.freebsd.org/~sanpei/20210814-boot-NG-14-GENERICSD-20210805

<<BOOT message>
mem: <memory>
ofwbus0: <Open Firmware Device Tree>
ti_sysc0: <TI SYSC Interconnect> on ofwbus0
panic: Assertion size > 0 failed at /usr/src/sys/kern/subr_vmem.c:1332
<----- PANIC!!
cpuid = 0
time = 1
KDB: stack backtrace:
db_trace_self() at db_trace_self
         pc = 0xc05aa35c  lr = 0xc007ab68 (db_trace_self_wrapper+0x30)
         sp = 0xc0e16a98  fp = 0xc0e16bb0
db_trace_self_wrapper() at db_trace_self_wrapper+0x30
         pc = 0xc007ab68  lr = 0xc02d8ac0 (vpanic+0x17c)
         sp = 0xc0e16bb8  fp = 0xc0e16bd8
         r4 = 0x00000100  r5 = 0x00000000
         r6 = 0xc06ff53d  r7 = 0xc08db4a8
vpanic() at vpanic+0x17c
         pc = 0xc02d8ac0  lr = 0xc02d8864 (doadump)
         sp = 0xc0e16be0  fp = 0xc0e16be4
         r4 = 0xc1e1b000  r5 = 0x00000000
         r6 = 0x00000000  r7 = 0xc0e16c50
         r8 = 0xc0b29d80  r9 = 0x00000002
        r10 = 0xc0e16c2c
doadump() at doadump
         pc = 0xc02d8864  lr = 0xc0346514 (vmem_xalloc)
         sp = 0xc0e16bec  fp = 0xc0e16c20
         r4 = 0xc0e16c2c  r5 = 0xc0e16be4
         r6 = 0xc02d8864 r10 = 0xc0e16bec
vmem_xalloc() at vmem_xalloc
         pc = 0xc0346514  lr = 0xc0571a74 (kmem_malloc_domainset+0x9c)
         sp = 0xc0e16c28  fp = 0xc0e16c70
         r4 = 0x00000006  r5 = 0x000000cc
         r6 = 0xc0ddc108  r7 = 0xc1e1b000
         r8 = 0x00000000  r9 = 0x00000000
        r10 = 0xc0e16c50
kmem_malloc_domainset() at kmem_malloc_domainset+0x9c
         pc = 0xc0571a74  lr = 0xc02b3ba0 (malloc_large+0x2c)
         sp = 0xc0e16c78  fp = 0xc0e16c90
         r4 = 0x00000002  r5 = 0xffffffff
         r6 = 0x00000d90  r7 = 0x00000000
         r8 = 0xc08ac904  r9 = 0xc0766709
        r10 = 0x80000803
malloc_large() at malloc_large+0x2c
         pc = 0xc02b3ba0  lr = 0xc067c37c (ti_sysc_attach+0x19c)
         sp = 0xc0e16c98  fp = 0xc0e16cd0
         r4 = 0xd11d3e00  r5 = 0xffffffff
         r6 = 0x00000d90  r7 = 0xd11d3e28
         r8 = 0x00000d90 r10 = 0x80000803
ti_sysc_attach() at ti_sysc_attach+0x19c
         pc = 0xc067c37c  lr = 0xc0316678 (device_attach+0x50c)
         sp = 0xc0e16cd8  fp = 0xc0e16d20
         r4 = 0xc25e4680  r5 = 0xc25e4a80
         r6 = 0x36a26d7e  r7 = 0x00000000
         r8 = 0xc0b2e824  r9 = 0x80040001
        r10 = 0x80000803