petalinux-config出现错误

NOTE: Reconnecting to bitbake server...
Previous bitbake instance shutting down?, waiting to retry...
NOTE: Retrying server connection...
ERROR: Unable to connect to bitbake server, or start one
NOTE: Retrying server connection... (Traceback (most recent call last):
File "/home/duke/bin/petalinux201802/components/yocto/source/arm/layers/core/bitbake/lib/bb/    main.py", line 441, in setup_bitbake
server = bb.server.process.BitBakeServer(lock, sockname, configuration, featureset)
File "/home/duke/bin/petalinux201802/components/yocto/source/arm/layers/core/bitbake/lib/bb/    server/process.py", line 385, in __init__
self.sock.bind(os.path.basename(sockname))
FileNotFoundError: [Errno 2] No such file or directory
WARNING: /home/duke/bin/petalinux201802/components/yocto/source/arm/layers/core/bitbake/lib/bb    /main.py:476: ResourceWarning: unclosed <socket.socket fd=13, family=AddressFamily.AF_UNIX, ty    pe=SocketKind.SOCK_STREAM, proto=0>
logger.info("Retrying server connection... (%s)" % traceback.format_exc())
NOTE: Reconnecting to bitbake server...
NOTE: Retrying server connection...
ERROR: Unable to connect to bitbake server, or start one
ERROR: Failed to add user layer: /mnt/hgfs/share/workspace/2TestProject/project-spec/meta-user
ERROR: Failed to source bitbake

我用的petalinux2020遇到了类似的问题，查看config.log也提示Unable to connect to bitbake server，在网上试了各种办法都没用，最后我把该工程文件夹全部删除然后再重建，问题解决，成功运行petalinux-config并保存，不知道啥原因。。。