@BrowserUK: Thank you. It is not the conclusion I wanted to prove, but I agree it is something I will have to accept, until such time someone has the resources to determine why Net::SSH2 (or the underlying libssh2 library) is not completely ithread safe. I am glad we can all now finally agree that Net::SSH2 should not be used with Perl threads, unless the entire life of a session resides within a thread (connect, auth, commands, and close). Much appreciated!

Update: I plan to give Salva's suggestion a try, but not until after I finish with my Net::OpenSSH test...
"The trick would be to call $ssh2->blocking(0) just after creating the Net::SSH2 object and then calling connect and auth_* while checking for LIBSSH2_ERROR_EAGAIN errors and then using the select function to wait for data to arrive at some of the underlaying sockets."

In reply to Re^4: SSH2 - Asynchronous Opens & Synchronous Commands by 5haun
in thread SSH2 - Asynchronous Opens & Synchronous Commands by 5haun

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