make-network-process timing out when connecting swank server

Luís Oliveira luismbo at
Sun Apr 19 18:17:49 UTC 2020

On Sun, 19 Apr 2020 at 01:08, Mirko Vukovic <mirko.vukovic at> wrote:
> With Martin's help, I was able to establish a tunnel, start swank, and with a telnet session on the laptop verify that I can send commands to swank (see that other thread for details).
> Nevertheless, sly-connect still fails. Stepping through the code, I came to a call to make-network-process, which is a C function.
> The error message is
> "make client process failed", "Connection timed out", :name, "sly-4", :buffer, nil, :host, "", :service, 4005, :nowait, nil, :tls-parameters, nil

Does telneting to port 4005 work? Why don't you
connect to SWANK via the SSH tunnel you've established?

Luís Oliveira

More information about the slime-devel mailing list