#25300: nyx crashes when terminal is resizes to too few rows
 Reporter:  nortor        |          Owner:  atagar
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Milestone:
Component:  Core Tor/Nyx  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:

Comment (by nortor):

 My system is FreeBSD 11.1, and this happens when using either the
 "py36-nyx-2.0.4" or the "py27-nyx-2.0.4" package (installed via pkg

 Stack trace:
 Traceback (most recent call last):
   File "/usr/local/bin/nyx", line 11, in <module>
     load_entry_point('nyx==2.0.4', 'console_scripts', 'nyx')()
   File "/usr/local/lib/python3.6/site-packages/nyx/__init__.py", line 176,
 in main
   File "/usr/local/lib/python3.6/site-packages/stem/util/conf.py", line
 289, in wrapped
     return func(*args, config = config, **kwargs)
   File "/usr/local/lib/python3.6/site-packages/nyx/starter.py", line 118,
 in main
     nyx.curses.start(nyx.draw_loop, acs_support =
 config.get('acs_support', True), transparent_background = True, cursor =
   File "/usr/local/lib/python3.6/site-packages/nyx/curses.py", line 217,
 in start
   File "/usr/local/lib/python3.6/curses/__init__.py", line 94, in wrapper
     return func(stdscr, *args, **kwds)
   File "/usr/local/lib/python3.6/site-packages/nyx/curses.py", line 215,
 in _wrapper
   File "/usr/local/lib/python3.6/site-packages/nyx/__init__.py", line 245,
 in draw_loop
     interface.redraw(force = not key.is_null())
   File "/usr/local/lib/python3.6/site-packages/nyx/__init__.py", line 716,
 in redraw
     panel.redraw(force = force, top = occupied)
   File "/usr/local/lib/python3.6/site-packages/nyx/panel/__init__.py",
 line 175, in redraw
     self._last_draw_size = nyx.curses.draw(self._draw, top = self._top,
 height = self.get_height(), draw_if_resized = draw_dimension)
   File "/usr/local/lib/python3.6/site-packages/nyx/curses.py", line 740,
 in draw
     curses_subwindow = CURSES_SCREEN.subwin(subwindow_height,
 subwindow_width, top, left)
 _curses.error: curses function returned NULL

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25300#comment:1>
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