Slow HW like the raspberry pi easily hit this timeout over NFS.
Increase it to 1 min.

diff --git a/tools/roslaunch/src/roslaunch/launch.py b/tools/roslaunch/src/roslaunch/launch.py
index 9a3b931..8e33c0c 100644
--- a/tools/roslaunch/src/roslaunch/launch.py
+++ b/tools/roslaunch/src/roslaunch/launch.py
@@ -57,8 +57,8 @@ from roslaunch.pmon import start_process_monitor, ProcessListener
 
 from roslaunch.rlutil import update_terminal_name
 
-_TIMEOUT_MASTER_START = 10.0 #seconds
-_TIMEOUT_MASTER_STOP  = 10.0 #seconds
+_TIMEOUT_MASTER_START = 60.0 #seconds
+_TIMEOUT_MASTER_STOP  = 60.0 #seconds
 
 _ID = '/roslaunch'