Hi, Ludovic Courtès writes: > Procedures like ‘send-files’ call ‘channel-get-exit-status’ and > ‘close-port’ on ports that represent SSH channels. > > AFAICS, ‘close-port’ triggers a call of ‘ptob_close’ in Guile-SSH, > which in turn calls ‘ssh_channel_close’. > > sshd_config(5) says: > > MaxSessions Specifies the maximum number of open shell, login or subsystem > (e.g. sftp) sessions permitted per network connection. Multiple sessions may be > established by clients that support connection multiplexing. Setting MaxSessions > to 1 will effectively disable session multiplexing, whereas setting it to 0 will > prevent all shell, login and subsystem sessions while still permitting > forwarding. The default is 10. > > So you must be hitting this limit. Ah, thank you for the corrections :) > I see that ‘remote-eval’ does not close ‘remote’ though, so this > channel port remains open until it’s GC’d, which happens too late. > Could you try the attached patch? It allows me to do more than 10 > ‘remote-eval’ calls in a row. Wow, that was quick. The patch works like a charm, thanks! Regards, Jakob