panic: trap type 4, code=0, pc=ffffffff81de0aef
Starting stack trace...
panic(ffffffff8284c305) at panic+0x16f sys/kern/subr_prf.c:229
kerntrap(ffff80002e1c79c0) at kerntrap+0x1d7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
ktrops(ffff800030af6d00,deadbeefdeadbeef,0,a0c7df9b,fffffd806e0957e0,fffffd807f7d7750) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline]
ktrops(ffff800030af6d00,deadbeefdeadbeef,0,a0c7df9b,fffffd806e0957e0,fffffd807f7d7750) at ktrops+0x4f sys/kern/kern_ktrace.c:561
doktrace(fffffd806e0957e0,4,20c7df9b,0,ffff800030af6d00) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline]
doktrace(fffffd806e0957e0,4,20c7df9b,0,ffff800030af6d00) at doktrace+0x514 sys/kern/kern_ktrace.c:508
sys_ktrace(ffff800030af6d00,ffff80002e1c7dd0,ffff80002e1c7d20) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549
syscall(ffff80002e1c7dd0) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline]
syscall(ffff80002e1c7dd0) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x38b02caa800, count: 249
End of stack trace.