Any solution to roscore crash?

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Hi, Im running ros fuerte and when I run roscore I get the following error. Has anyone found a solution to this. I tried updating ubuntu. It seems that there is no agreed upon solution for this problem. I would appreciate any help on this.

asctec@asctec-mastermind:~$ roscore
WARNING: unable to configure logging. No log files will be generated
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://asctec-mastermind:43141/
ros_comm version 1.8.11

SUMMARY
========

PARAMETERS
 * /rosdistro
 * /rosversion

NODES

auto-starting new master
Exception AttributeError: AttributeError("'_DummyThread' object has no attribute '_Thread__block'",) in <module 'threading' from '/usr/lib/python2.7/threading.pyc'> ignored
process[master]: started with pid [1984]
Traceback (most recent call last):
  File "/opt/ros/fuerte/bin/rosmaster", line 35, in <module>
    rosmaster.rosmaster_main()
  File "/opt/ros/fuerte/lib/python2.7/dist-packages/ros_comm-1.8.7-py2.7.egg/rosmaster/main.py", line 73, in rosmaster_main
    configure_logging()   
  File "/opt/ros/fuerte/lib/python2.7/dist-packages/ros_comm-1.8.7-py2.7.egg/rosmaster/main.py", line 57, in configure_logging
    _log_filename = rosgraph.roslogging.configure_logging('rosmaster', logging.DEBUG, filename=filename)
  File "/opt/ros/fuerte/lib/python2.7/dist-packages/ros_comm-1.8.7-py2.7.egg/rosgraph/roslogging.py", line 104, in configure_logging
    logging.config.fileConfig(config_file, disable_existing_loggers=False)
  File "/usr/lib/python2.7/logging/config.py", line 78, in fileConfig
    handlers = _install_handlers(cp, formatters)
  File "/usr/lib/python2.7/logging/config.py", line 153, in _install_handlers
    klass = _resolve(klass)
  File "/usr/lib/python2.7/logging/config.py", line 94, in _resolve
    __import__(used)
ImportError: No module named RosStreamHandler
[master] process has died [pid 1984, exit code 1, cmd rosmaster --core -p 11311 __log:=/home/asctec/.ros/log/504ce208-add8-11e1-a416-5bbefaef3a06/master.log].
log file: /home/asctec/.ros/log/504ce208-add8-11e1-a416-5bbefaef3a06/master*.log
ERROR: could not contact master [http://asctec-mastermind:11311/]
[master] killing on exit