issue in A quick functionality test

[cszhoulei]

Hi, all

after I 'make' the qemu-sgx, I run the quick functionlity test:

~/sgx-qemu/qemu-sgx/build$ sudo x86_64-softmmu/qemu-system-x86_64 -nographic -enable-kvm -cpu host,+sgx -object memory-backend-epc,id=mem1,size=8M,prealloc=on -sgx-epc id=epc1,memdev=mem1

but get following problem:
qemu-system-x86_64: Could not enable SGX PROVISIONKEY: Invalid argument

Does anyone know the reason?

addition:

~/sgx-qemu/qemu-sgx/build$ dmesg | grep sgx
[    0.207209] sgx: EPC section 0xb0200000-0xb5f7ffff
[ 5708.702005] isgx: loading out-of-tree module taints kernel.
[ 5708.702444] intel_sgx: Intel SGX Driver v2.11.0
[ 5708.702459] intel_sgx INT0E0C:00: EPC bank 0xb0200000-0xb5f80000
[ 5708.703233] intel_sgx:  can not reset SGX LE public key hash MSRs
[ 5708.703265] intel_sgx: second initialization call skipped