The specific error is as follows:
] [btl_tcp_endpoint. C: 638: McA_btl_tcp_endpoint_recv_connect_ack] received unexpected process identifier (6660, 1], [1]
[btl_tcp_endpoint. C: 796: McA_btl_tcp_endpoint_complete_connect] the connect () to 192.168.122.1 failed: Connection refused (111)


Programs on a machine multi-threaded operation no problem, but need more than one machine running together there will be a problem of the data transmission between nodes,
Is probably configuration mpirun - MCA BTL - TCP - if - include problem, the network is a network, but tried many, manually changed the address or have a question,
Have any great god provides advice, thank you very much

CodePudding user response:

The virtual machine virtual network card problem, delete virtual network card on each machine, run the following command:
With virsh net - list
With virsh net - destroy the default
With virsh net - undefine default
Service libvirtd restart