backtrace()
  tramp-error(nil file-error "Timeout reached, see buffer ‘*tramp/ssh 128.40.123...")
  tramp-signal-hook-function(file-error ("Timeout reached, see buffer ‘*tramp/ssh 128.40.123..."))
  signal(file-error ("Timeout reached, see buffer ‘*tramp/ssh 128.40.123..."))
  tramp-maybe-open-connection((tramp-file-name "ssh" nil nil "128.40.123.56" nil "" nil))
  tramp-send-command((tramp-file-name "ssh" nil nil "128.40.123.56" nil "" nil) "echo ~ 2>/dev/null; echo tramp_exit_status $?")
  tramp-send-command-and-check((tramp-file-name "ssh" nil nil "128.40.123.56" nil "" nil) "echo ~")
  tramp-sh-handle-get-home-directory((tramp-file-name "ssh" nil nil "128.40.123.56" nil "" nil) "")
  apply(tramp-sh-handle-get-home-directory ((tramp-file-name "ssh" nil nil "128.40.123.56" nil "" nil) ""))
  tramp-sh-file-name-handler(tramp-get-home-directory (tramp-file-name "ssh" nil nil "128.40.123.56" nil "" nil) "")
  apply(tramp-sh-file-name-handler tramp-get-home-directory ((tramp-file-name "ssh" nil nil "128.40.123.56" nil "" nil) ""))
  tramp-file-name-handler(tramp-get-home-directory (tramp-file-name "ssh" nil nil "128.40.123.56" nil "" nil) "")
  tramp-get-home-directory((tramp-file-name "ssh" nil nil "128.40.123.56" nil "" nil) "")
  tramp-sh-handle-expand-file-name("/ssh:128.40.123.56:" nil)
  apply(tramp-sh-handle-expand-file-name ("/ssh:128.40.123.56:" nil))
  tramp-sh-file-name-handler(expand-file-name "/ssh:128.40.123.56:" nil)
  apply(tramp-sh-file-name-handler expand-file-name ("/ssh:128.40.123.56:" nil))
  tramp-file-name-handler(expand-file-name "/ssh:128.40.123.56:" nil)
  expand-file-name("/ssh:128.40.123.56:")
  find-file-noselect("/ssh:128.40.123.56:" nil nil t)
  find-file("/ssh:128.40.123.56:" t)
  funcall-interactively(find-file "/ssh:128.40.123.56:" t)
  call-interactively(find-file nil nil)
  command-execute(find-file)