Fatal trap 12: page fault while in kernel mode
cpuid = 3; apic id = 06
fault virtual address	= 0x3
fault code		= supervisor write data, page not present
instruction pointer	= 0x20:0xffffffff80ed449f
stack pointer	        = 0x28:0xfffffe00c5fc6d10
frame pointer	        = 0x28:0xfffffe00c5fc6d60
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		= 0 (thread taskq)
rdi: 0000000172459000 rsi: fffff800010bb9c0 rdx: fffff801727ab018
rcx: 0000000000000003  r8: 0000000000000001  r9: fffff800010bb9c0
rax: fffff800010bb900 rbx: 0000000000000001 rbp: fffffe00c5fc6d60
r10: 0000000000000000 r11: 000007fffffff000 r12: fffff801727ab068
r13: fffffe001d803800 r14: fffff80172459000 r15: fffff800010bb9c0
trap number		= 12
panic: page fault
cpuid = 3
time = 1756200863
KDB: stack backtrace:
#0 0xffffffff80ba8f1d at kdb_backtrace+0x5d
#1 0xffffffff80b5aa11 at vpanic+0x161
#2 0xffffffff80b5a8a3 at panic+0x43
#3 0xffffffff8104dbfa at trap_pfault+0x3da
#4 0xffffffff81023d98 at calltrap+0x8
#5 0xffffffff80ed9289 at bucket_drain+0xb9
#6 0xffffffff80ed95ca at bucket_cache_reclaim_domain+0x2aa
#7 0xffffffff80ed9ceb at zone_timeout+0x2eb
#8 0xffffffff80ed9988 at uma_timeout+0x58
#9 0xffffffff80bbe4d2 at taskqueue_run_locked+0x182
#10 0xffffffff80bbf722 at taskqueue_thread_loop+0xc2
#11 0xffffffff80b13641 at fork_exit+0x81
#12 0xffffffff81024dfe at fork_trampoline+0xe
Uptime: 1d16h28m13s
Dumping 3103 out of 16151 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%

__curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57
57		__asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct pcpu,