panic: trap type 4, code=0, pc=ffffffff81d43100 Starting stack trace... panic(ffffffff8259b148) at panic+0x16b sys/kern/subr_prf.c:229 kerntrap(ffff80002bb34960) at kerntrap+0x1c7 sys/arch/amd64/amd64/trap.c:313 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b done_flush() at done_flush+0x38 vm_run(ffff80002bb34e80) at vm_run+0x215 sys/arch/amd64/amd64/vmm.c:4562 vmmioctl(a00,c0205602,ffff80002bb34e80,1,ffff80002c470000) at vmmioctl+0x192 sys/arch/amd64/amd64/vmm.c:685 VOP_IOCTL(fffffd806e1fbe58,c0205602,ffff80002bb34e80,1,fffffd807f7d7410,ffff80002c470000) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8070aafee0,c0205602,ffff80002bb34e80,ffff80002c470000) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002c470000,ffff80002bb34f98,ffff80002bb34fe0) at sys_ioctl+0x4a2 syscall(ffff80002bb35060) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002bb35060) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9a69af697d0, count: 246 End of stack trace.