panic: trap type 4, code=0, pc=ffffffff81447a60
Starting stack trace...
panic(ffffffff825a3c90) at panic+0x16b sys/kern/subr_prf.c:229
kerntrap(ffff80002e59b480) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
done_flush() at done_flush+0x38
vm_run(ffff80002e59b990) at vm_run+0x1cf sys/arch/amd64/amd64/vmm.c:4529
vmmioctl(a00,c0205602,ffff80002e59b990,1,ffff8000273fd260) at vmmioctl+0x192 sys/arch/amd64/amd64/vmm.c:680
VOP_IOCTL(fffffd806e4f81b8,c0205602,ffff80002e59b990,1,fffffd807f7d77b8,ffff8000273fd260) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd80657e0570,c0205602,ffff80002e59b990,ffff8000273fd260) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525
sys_ioctl(ffff8000273fd260,ffff80002e59baa8,ffff80002e59baf0) at sys_ioctl+0x4a2
syscall(ffff80002e59bb70) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff80002e59bb70) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x695fb04ed50, count: 246
End of stack trace.