Looks more like a hardware issue to me.
db:0:kdb.enter.default> show pcpu
cpuid = 2
dynamic pcpu = 0xfffffe0170ff5380
curthread = 0xfffff800084e8620: pid 768 "logger"
curpcb = 0xfffffe00f9de3b80
fpcurthread = 0xfffff800084e8620: pid 768 "logger"
idlethread = 0xfffff8000483f000: tid 100005 "idle: cpu2"
curpmap = 0xfffff80008f9c138
tssp = 0xffffffff82bb68e0
commontssp = 0xffffffff82bb68e0
rsp0 = 0xfffffe00f9de3b80
gs32p = 0xffffffff82bbd138
ldt = 0xffffffff82bbd178
tss = 0xffffffff82bbd168
db:0:kdb.enter.default> bt
Tracing pid 768 tid 100428 td 0xfffff800084e8620
copyout() at copyout+0x3e/frame 0xfffffe00f9de3800
uiomove_faultflag() at uiomove_faultflag+0x10c/frame 0xfffffe00f9de3840
pipe_read() at pipe_read+0x214/frame 0xfffffe00f9de38a0
dofileread() at dofileread+0xba/frame 0xfffffe00f9de38e0
kern_readv() at kern_readv+0x68/frame 0xfffffe00f9de3930
sys_read() at sys_read+0x86/frame 0xfffffe00f9de3980
amd64_syscall() at amd64_syscall+0xa38/frame 0xfffffe00f9de3ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00f9de3ab0
--- syscall (3, FreeBSD ELF64, sys_read), rip = 0x800970d4a, rsp = 0x7fffffffe728, rbp = 0x7fffffffe740 ---
<118>Launching the init system...Updating CPU Microcode...
Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 02
fault virtual address = 0x800e29000
fault code = supervisor write data, page not present
instruction pointer = 0x20:0xffffffff81189dde
stack pointer = 0x28:0xfffffe00f9de3800
frame pointer = 0x28:0xfffffe00f9de3800
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 768 (logger)
Post on the forum for assistance. There may be something you can do (update BIOS or similar), but that's too deep in hardware operations for it to be pfSense.
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