panic: trap type 6, code=3, pc=ffffffff829a7ee7
Starting stack trace...
panic(ffffffff833421e0) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80002a3b5300) at kerntrap+0x30b sys/arch/amd64/amd64/trap.c:486
alltraps_kern_meltdown() at alltraps_ker
n_meltdown+0x7b
copyout() at copyout+0x57
syscall(ffff80002a3b5750) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3b5750) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf520d5a0b70, count: 251
End of stack trace.

dump to dev 4,1 not possible