A client can’t establish connection to server, I don’t have a snapshot.
the OS is a vmware client. we expose the two connectx-5 cards to it, the mlx5_0 is ok, only mlx5_1 hang.
here is the snapshot take from dmesg of our program,
I suspect there’s a cqe lost in your startup.
Issue can caused by PCIE HW issue or wrong vm PCIE config.
Could you try test this without VM(same test in hypervisor) to confirm whether we have issue in PCIE HW part?