From 218046d96c71395a1f3b6eb948e50b7c4f5b2231 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Fri, 3 Mar 2017 10:39:35 +0000
Subject: [PATCH] artiq_devtool: fix an infinite loop on network error.

---
 artiq/frontend/artiq_devtool.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/artiq/frontend/artiq_devtool.py b/artiq/frontend/artiq_devtool.py
index 7b4489c8b..f242ce6e2 100644
--- a/artiq/frontend/artiq_devtool.py
+++ b/artiq/frontend/artiq_devtool.py
@@ -153,6 +153,7 @@ def main():
                             .open_channel('direct-tcpip', (args.ip, port), peer_addr)
                     except Exception as e:
                         logger.exception("Cannot open channel on port %s", port)
+                        continue
                     while True:
                         try:
                             r, w, x = select.select([local_stream, remote_stream], [], [])