Log exception info when failing to provision a device

build/android/provision_devices.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Provisions Android devices with settings required for bots.
 
 Usage:
   ./provision_devices.py [-d <device serial number>]
@@ skipping 189 matching lines @@
       logging.info('  %s' % prop)
     if options.auto_reconnect:
       PushAndLaunchAdbReboot(device, options.target)
   except (errors.WaitForResponseTimedOutError,
           device_errors.CommandTimeoutError):
     logging.info('Timed out waiting for device %s. Adding to blacklist.',
                  str(device))
     # Device black list is reset by bb_device_status_check.py per build.
     device_blacklist.ExtendBlacklist([str(device)])
   except (device_errors.CommandFailedError):
-    logging.info('Failed to provision device %s. Adding to blacklist.',
-                 str(device))
+    logging.exception('Failed to provision device %s. Adding to blacklist.',
+                      str(device))
     device_blacklist.ExtendBlacklist([str(device)])
 
 
 def ProvisionDevices(options):
   is_perf = 'perf' in os.environ.get('BUILDBOT_BUILDERNAME', '').lower()
   if options.device is not None:
     devices = [options.device]
   else:
     devices = android_commands.GetAttachedDevices()
 
@@ skipping 29 matching lines @@
 
   if args:
     print >> sys.stderr, 'Unused args %s' % args
     return 1
 
   return ProvisionDevices(options)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))