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Kvm-12 0x80000022 VmEntry: Msr Load failre?

Os: Centos 5.11 x64 kernel 2.6.18 Kvm-12

register befor status:
rax 0000000000000000 rbx 0000000000000000 rcx 0000000000000000 rdx 0000000000000600
rsi 0000000000000000 rdi 0000000000000000 rsp 0000000000000000 rbp 0000000000000000
r8 0000000000000000 r9 0000000000000000 r10 0000000000000000 r11 0000000000000000
r12 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15 0000000000000000
rip 000000000000fff0 rflags 00023002

KVM_RUN alter:
case KVM_EXIT_TYPE_VM_EXIT:
switch (kvm_run.exit_reason) {
case KVM_EXIT_UNKNOWN:
fprintf(stderr, “unhandled vm exit: 0x%x\n”,
kvm_run.hw.hardware_exit_reason);
kvm_show_regs(kvm, vcpu);
abort();
break;
Output register status:
unhandled vm exit: 0x80000022
rax 0000000000000000 rbx 0000000000000000 rcx 0000000000000000 rdx 0000000000000600
rsi 0000000000000000 rdi 0000000000000000 rsp 0000000000000000 rbp 0000000000000000
r8 0000000000000000 r9 0000000000000000 r10 0000000000000000 r11 0000000000000000
r12 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15 0000000000000000
rip 000000000000fff0 rflags 00033002

mini-guest x64(make → kernel.bin):
kernel.S:
.code16gcc
.text
.globl _start
.type _start, @function

_start:
1:
jmp 1b

vm entry: msr load failre? rflags 00033002 v86?
need help thank!