Unable to start X Server due to a "fatal server error: could not open default font 'fixed'. How to solve it?

Issue

• Why do I receive a fatal server error: could not open default font 'fixed' when loading X server?

  Could not init font path element unix/:7100, removing from list!
  
  Fatal server error:
  could not open default font 'fixed'
  
  If you encounter a server crash, please report the problem by filing a bug
  report in the XFree86.org bugzilla at http://bugs.xfree86.org and/or Red Hat
  bugzilla at http://bugzilla.redhat.com/bugzilla.  When filing your report, it
  is very important that you explain your problem in as much detail as possible,
  and include a complete description on how to reproduce the problem.  After
  submitting the bug report, attach the following files as uncompressed
  individual file attachments using the bugzilla file attachment feature:
          - X server log file: /var/log/XFree86.0.log
          - X server config file: /etc/X11/XF86Config
          - Kernel log file: /var/log/messages
  
  XIO:  fatal IO error 104 (Connection reset by peer) on X server ":0.0"
        after 0 requests (0 known processed) with 0 events remaining.
  

• Or, the error message will looks like this:

  Could not init font path element unix/:7100, removing from list!
  
  Fatal server error:
  could not open default font 'fixed'
  
  Please consult the The X.org Foundation support
                                 at http://wiki.X.Org
     for help.
  Please also check the log file at "/var/log/Xorg.0.log" for additional information.
  

• similar error if trying to reconfigure /etc/X11/xorg.conf with system-config-display, e.g.,

  # system-config-display --reconfig
  Trying with card: Cirrus Logic GD544x
  xconf.py: Fatal IO error 104 (Connection reset by peer) on X server :17.0.
  --display=:1: Fatal IO error 104 (Connection reset by peer) on X server :17.0.