socket: 0.988 device: 0.988 permissions: 0.951 debug: 0.934 peripherals: 0.929 files: 0.908 ppc: 0.904 architecture: 0.903 graphic: 0.896 performance: 0.894 register: 0.890 boot: 0.842 user-level: 0.833 network: 0.774 kernel: 0.771 PID: 0.761 semantic: 0.700 hypervisor: 0.667 vnc: 0.649 virtual: 0.638 arm: 0.610 mistranslation: 0.539 TCG: 0.536 x86: 0.532 risc-v: 0.494 VMM: 0.431 assembly: 0.394 KVM: 0.378 i386: 0.254 qemu-system-aarch64: tpm-emulator: TPM result for CMD_INIT: 0x9 operation failed Description of problem: I'm using QEMU (compile from the latest source code) to simulate a tpm2 device with the above command, it just returns an error message: ``` qemu-system-aarch64: tpm-emulator: TPM result for CMD_INIT: 0x9 operation failed ``` swtpm start command: ``` TPMSOCK=/tmp/swtpm-sock$$ swtpm socket --tpm2 -t -d --tpmstate dir=$PWD/tpm --ctrl type=unixio,path=$TPMSOCK --log level=20 ``` swtpm version: ``` TPM emulator version 0.7.3, Copyright (c) 2014-2021 IBM Corp. ``` Also tried the latest swtpm, encountered the same error. swtpm log (0.7.3): ``` swtpm: Data client disconnected swtpm: SWTPM_NVRAM_Lock_Dir: Could not open lockfile: Permission denied swtpm: Error: Could not initialize libtpms. swtpm: Error: Could not initialize the TPM swtpm: Data client disconnected ``` swtpm log (0.10.0): ``` swtpm: SWTPM_NVRAM_StoreData: Error (fatal) opening tpm/TMP2-00.permall for write failed, Permission denied swtpm: SWTPM_NVRAM_Lock_Dir: Could not open lockfile: Permission denied swtpm: Error: Could not initialize the TPM swtpm: Data client disconnected ``` Any clues about this error? Best regrads. Steps to reproduce: Refer to [Description of problem](#description-of-problem) Additional information: