[tor-bugs] #32566 [Core Tor/Nyx]: nyx not starting

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#32566: nyx not starting
--------------------------+------------------------------
 Reporter:  cypherpunks   |          Owner:  atagar
     Type:  enhancement   |         Status:  new
 Priority:  Medium        |      Component:  Core Tor/Nyx
  Version:  Tor: 0.4.1.6  |       Severity:  Major
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------
 Nyx is not starting up after providing the control port password it
 reports:

 {{{
 % nyx
 Tor controller password:
 Traceback (most recent call last):
   File "/usr/lib/python3.8/site-packages/stem/connection.py", line 370, in
 _connect_auth
     authenticate(control_socket, password, chroot_path)
   File "/usr/lib/python3.8/site-packages/stem/connection.py", line 625, in
 authenticate
     raise auth_exc
 stem.connection.MissingPassword: no passphrase provided

 During handling of the above exception, another exception occurred:

 Traceback (most recent call last):
   File "/bin/nyx", line 11, in <module>
     load_entry_point('nyx==2.1.0', 'console_scripts', 'nyx')()
   File "/usr/lib/python3.8/site-packages/nyx/__init__.py", line 176, in
 main
     nyx.starter.main()
   File "/usr/lib/python3.8/site-packages/stem/util/conf.py", line 289, in
 wrapped
     return func(*args, config = config, **kwargs)
   File "/usr/lib/python3.8/site-packages/nyx/starter.py", line 90, in main
     controller = init_controller(
   File "/usr/lib/python3.8/site-packages/nyx/__init__.py", line 325, in
 init_controller
     TOR_CONTROLLER = stem.connection.connect(*args, **kwargs)
   File "/usr/lib/python3.8/site-packages/stem/connection.py", line 291, in
 connect
     return _connect_auth(control_connection, password, password_prompt,
 chroot_path, controller)
   File "/usr/lib/python3.8/site-packages/stem/connection.py", line 404, in
 _connect_auth
     return _connect_auth(control_socket, password, password_prompt,
 chroot_path, controller)
   File "/usr/lib/python3.8/site-packages/stem/connection.py", line 375, in
 _connect_auth
     return controller(control_socket, is_authenticated = True)
   File "/usr/lib/python3.8/site-packages/stem/control.py", line 1057, in
 __init__
     super(Controller, self).__init__(control_socket, is_authenticated)
   File "/usr/lib/python3.8/site-packages/stem/control.py", line 585, in
 __init__
     self._post_authentication()
   File "/usr/lib/python3.8/site-packages/stem/control.py", line 3902, in
 _post_authentication
     owning_pid = self.get_conf('__OwningControllerProcess', None)
   File "/usr/lib/python3.8/site-packages/stem/control.py", line 2170, in
 get_conf
     entries = self.get_conf_map(param, default, multiple)
   File "/usr/lib/python3.8/site-packages/stem/control.py", line 2273, in
 get_conf_map
     for key in reply:
 RuntimeError: dictionary keys changed during iteration
 }}}

 If the wrong password is provided I get the usual answer:
 {{{
 % nyx
 Tor controller password:
 Incorrect password
 }}}

 These are the used software versions

 {{{
 % python --version
 Python 3.8.0
 }}}

 {{{
 % nyx --version
 nyx version 2.1.0 (released January 12, 2019)
 }}}

 {{{
 % uname -a
 Linux archarm 4.19.84-1-ARCH #1 SMP PREEMPT Thu Nov 21 00:50:40 UTC 2019
 armv7l GNU/Linux
 }}}

 I also get the same error with archlinux x86_64 (kernel 5.3.12) with the
 same python and nyx versions

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32566>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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