[Bug 253177] buildkernel buildworld will crash system (lx2160a)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253177

            Bug ID: 253177
           Summary: buildkernel buildworld will crash system (lx2160a)
           Product: Base System
           Version: 13.0-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: arm
          Assignee: freebsd-arm at FreeBSD.org
          Reporter: yarshure at gmail.com

x0: ffff0000433f3d98
  x1: ffffa00028f2f580
  x2:           100000
  x3:                0
  x4:               60
  x5:                0
  x6:                0
  x7:                0
  x8:                1
  x9:                1
 x10: ffffa00028f2f580
 x11:                0
 x12:                0
 x13:                9
 x14:                3
 x15:                0
 x16:                0
 x17:               18
 x18: ffff0001938186f0
 x19: ffffa00026197000
 x20: ffffa00028f2f580
 x21:                0
 x22: ffffa0000008dc00
 x23: ffffa0000008dc28
 x24:                0
 x25: ffff000000b7b000
 x26: ffff000000b7b000
 x27:           232000
 x28:           232000
 x29: ffff0001938186f0
  sp: ffff0001938186f0
  lr: ffff0000004caabc
 elr: ffff0000004caa20
spsr:         60000145
 far:         402c4829
panic: Unknown kernel exception 0 esr_el1 2000000

cpuid = 1
time = 1612259959
KDB: stack backtrace:
#0 0xffff000000506834 at kdb_backtrace+0x60
#1 0xffff0000004b0a94 at vpanic+0x184
#2 0xffff0000004b090c at panic+0x44
#3 0xffff00000081bc28 at do_el1h_sync+0x140
#4 0xffff0000007fd878 at handle_el1h_sync+0x78
#5 0xffff0000004caab8 at tidhash_remove+0x174
#6 0xffff000000459100 at exit1+0x94c
#7 0xffff0000004587b0 at sys_sys_exit+0x10
#8 0xffff00000081c1b8 at do_el0_sync+0x448
#9 0xffff0000007fda24 at handle_el0_sync+0x90

default kernel dmesg
:https://gist.github.com/yarshure/1cc3350b4cbd86d7514514b57987b9d7

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