panic: trap type 4, code=0, pc=ffffffff81f8f304
Starting stack trace...
panic(ffffffff8282dc66) at panic+0x159 sys/kern/subr_prf.c:229
kerntrap(ffff80002a599630) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
__x86_indirect_thunk_r11() at __x86_indirect_thunk_r11+0x14
softclock_thread(ffff80002a58d1f0) at softclock_thread+0xc3 sys/kern/kern_timeout.c:814
end trace frame: 0x0, count: 252
End of stack trace.