Public bug reported:

[Test Case]

This is took from the zeromq3 initial bug report

this bug can be seens using the python-binding.
But for htis you need a working tango database. So you need to install tango-db.

then

~$ python
>>> import PyTango
>>> dev_name = 'sys/database/2'  
>>> dev = PyTango.DeviceProxy(dev_name)
>>> cb = PyTango.utils.EventCallBack()
>>> id = dev.subscribe_event("state", PyTango.EventType.CHANGE_EVENT, 
cb, [], True)

(waits forever... till  I press CTRL+C)


the expected result is that the last line does not hang

** Affects: tango (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1355394

Title:
  please upgrade 14.04 with the 8.1.2c+dfsg-5 version

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