(over-)improve error loging during startup

Change-Id: I62a9f46dd427d514a2ea1401b92e5f69d197151d

secop/devices/core.py

@@ -31,6 +31,7 @@ import types
 import inspect
 import threading
 
+from secop.lib import formatExtendedStack
 from secop.lib.parsing import format_time
 from secop.errors import ConfigError, ProgrammingError
 from secop.protocol import status
@@ -325,6 +326,7 @@ class Device(object):
                 try:
                     v = datatype.validate(v)
                 except (ValueError, TypeError) as e:
+                    self.log.exception(formatExtendedStack())
                     raise ConfigError('Device %s: config parameter %r:\n%r' %
                                       (self.name, k, e))
             setattr(self, k, v)

secop/server.py

@@ -30,7 +30,7 @@ import ConfigParser
 from daemon import DaemonContext
 from daemon.pidfile import TimeoutPIDLockFile
 
-from secop.lib import get_class
+from secop.lib import get_class, formatExtendedStack
 from secop.protocol.dispatcher import Dispatcher
 from secop.protocol.interface import INTERFACES
 #from secop.protocol.encoding import ENCODERS
@@ -68,7 +68,11 @@ class Server(object):
             self.run()
 
     def run(self):
-        self._processCfg()
+        try:
+            self._processCfg()
+        except Exception as exc:
+            print formatExtendedStack(exc)
+            raise
 
         self.log.info('startup done, handling transport messages')
         self._threads = set()