panic: trap type 4, code=0, pc=ffffffff815e9a60
Starting stack trace...
panic(ffffffff825a34bd) at panic+0x16b sys/kern/subr_prf.c:229
kerntrap(ffff8000298994d0) 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(ffff8000298999e0) at vm_run+0x1cf sys/arch/amd64/amd64/vmm.c:4524
vmmioctl(a00,c0205602,ffff8000298999e0,1,ffff80002131d7a0) at vmmioctl+0x157 sys/arch/amd64/amd64/vmm.c:675
VOP_IOCTL(fffffd806e4d36c8,c0205602,ffff8000298999e0,1,fffffd807f7d7680,ffff80002131d7a0) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264
vn_ioctl(fffffd806bb896a0,c0205602,ffff8000298999e0,ffff80002131d7a0) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525
sys_ioctl(ffff80002131d7a0,ffff800029899af8,ffff800029899b40) at sys_ioctl+0x4a2
syscall(ffff800029899bc0) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline]
syscall(ffff800029899bc0) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xb35d761dd90, count: 246
End of stack trace.