diff -p -U6 ./pyanaconda/iutil.py.dist ./pyanaconda/iutil.py
--- ./pyanaconda/iutil.py.dist	2015-10-29 23:23:19.000000000 +0900
+++ ./pyanaconda/iutil.py	2016-02-05 11:26:27.000000000 +0900
@@ -217,13 +217,13 @@ def startX(argv, output_redirect=None):
 
     try:
         old_sigusr1_handler = signal.signal(signal.SIGUSR1, sigusr1_handler)
         old_sigalrm_handler = signal.signal(signal.SIGALRM, sigalrm_handler)
 
         # Start the timer
-        signal.alarm(60)
+        signal.alarm(600)
 
         childproc = startProgram(argv, stdout=output_redirect, stderr=output_redirect,
                 preexec_fn=sigusr1_preexec)
         watchProcess(childproc, argv[0])
 
         # Wait for SIGUSR1