cuttlefish Emulator Error AOSP

[German Marini Vilar]

Hello All,

Hope can you help me.

Im trying to start cuttlefish on AOSP and I presented the follow Error:

android.hardware....@2.0-virtualization-grpc-server F 12-16 06:56:28 1157570 1157570 GrpcVehicleServer.cpp:147] Check failed: mServer Start: failed to create the GRPC server, please make sure the configuration and permissions are correct
[ERROR:external/crosvm/src/main.rs:2003] crosvm has exited with error: The architecture failed to build the vm: error creating devices: failed to set up virtual socket device: failed to open vhost device: failed to open vhost device: No such device (os error 19)
Detected exit of monitored subprocess /home/aosp/out/soong/host/linux-x86/bin/crosvm
Subprocess /home/aosp/out/soong/host/linux-x86/bin/crosvm (1157522) has exited with exit code 1

Host : 

============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=12
TARGET_PRODUCT=aosp_cf_x86_64_phone
TARGET_BUILD_VARIANT=userdebug
TARGET_BUILD_TYPE=release
TARGET_ARCH=x86_64
TARGET_ARCH_VARIANT=silvermont
TARGET_2ND_ARCH=x86
TARGET_2ND_ARCH_VARIANT=silvermont
TARGET_2ND_CPU_VARIANT=silvermont
HOST_ARCH=x86_64
HOST_2ND_ARCH=x86
HOST_OS=linux
HOST_OS_EXTRA=Linux-5.4.0-89-generic-x86_64-Ubuntu-20.04.3-LTS
HOST_CROSS_OS=windows
HOST_CROSS_ARCH=x86
HOST_CROSS_2ND_ARCH=x86_64
HOST_BUILD_TYPE=release
BUILD_ID=SD1A.210817.037.A1
OUT_DIR=out
PRODUCT_SOONG_NAMESPACES=device/generic/goldfish-opengl device/generic/goldfish-opengl hardware/google/camera hardware/google/camera/devices/EmulatedCamera external/mesa3d vendor/google_devices/common/proprietary/confirmatioui_hal
============================================