Public bug reported:

Hi,

We have openstack ansible rocky 18.1.9 setup and when a user is trying
to access a vm console from web browser, they are not able to send
keystrokes properly. When for example, pressing ENTER key, the display
is broken into number of lines and not clear what they are typing in. In
the nova-spice-console logs, we are observing these messages frequently:

------------
2019-12-03 09:16:01.278 37844 INFO nova.console.websocketproxy [-] handler 
exception: [Errno 32] Broken pipe
2019-12-03 09:16:01.279 37844 DEBUG nova.console.websocketproxy [-] exception 
vmsg 
/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py:875
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy Traceback (most 
recent call last):
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py",
 line 930, in top_new_client
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     client = 
self.do_handshake(startsock, address)
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py",
 line 860, in do_handshake
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self.RequestHandlerClass(retsock, address, self)
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/nova/console/websocketproxy.py",
 line 308, in __init__
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
websockify.ProxyRequestHandler.__init__(self, *args, **kwargs)
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py",
 line 114, in __init__
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
SimpleHTTPRequestHandler.__init__(self, req, addr, server)
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/SocketServer.py", line 652, in __init__
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self.handle()
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py",
 line 581, in handle
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
SimpleHTTPRequestHandler.handle(self)
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/BaseHTTPServer.py", line 340, in handle
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self.handle_one_request()
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/BaseHTTPServer.py", line 328, in handle_one_request
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     method()
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py",
 line 567, in do_HEAD
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
SimpleHTTPRequestHandler.do_HEAD(self)
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/SimpleHTTPServer.py", line 54, in do_HEAD
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     f = 
self.send_head()
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/SimpleHTTPServer.py", line 103, in send_head
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/BaseHTTPServer.py", line 412, in send_header
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self.wfile.write("%s: %s\r\n" % (keyword, value))
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/socket.py", line 328, in write
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     self.flush()
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/socket.py", line 307, in flush
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self._sock.sendall(view[write_offset:write_offset+buffer_size])
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/eventlet/greenio/base.py",
 line 390, in sendall
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     tail = 
self.send(data, flags)
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/eventlet/greenio/base.py",
 line 384, in send
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     return 
self._send_loop(self.fd.send, data, flags)
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/eventlet/greenio/base.py",
 line 371, in _send_loop
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     return 
send_method(data, *args)
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy error: [Errno 
32] Broken pipe
2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy
----------------------------------------


Please suggest us how to troubleshoot this issue .


Thanks
Kumar

** Affects: nova
     Importance: Undecided
         Status: New


** Tags: console spice

-- 
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1854950

Title:
  VM spice console not clear

Status in OpenStack Compute (nova):
  New

Bug description:
  Hi,

  We have openstack ansible rocky 18.1.9 setup and when a user is trying
  to access a vm console from web browser, they are not able to send
  keystrokes properly. When for example, pressing ENTER key, the display
  is broken into number of lines and not clear what they are typing in.
  In the nova-spice-console logs, we are observing these messages
  frequently:

  ------------
  2019-12-03 09:16:01.278 37844 INFO nova.console.websocketproxy [-] handler 
exception: [Errno 32] Broken pipe
  2019-12-03 09:16:01.279 37844 DEBUG nova.console.websocketproxy [-] exception 
vmsg 
/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py:875
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy Traceback 
(most recent call last):
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py",
 line 930, in top_new_client
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     client = 
self.do_handshake(startsock, address)
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py",
 line 860, in do_handshake
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self.RequestHandlerClass(retsock, address, self)
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/nova/console/websocketproxy.py",
 line 308, in __init__
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
websockify.ProxyRequestHandler.__init__(self, *args, **kwargs)
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py",
 line 114, in __init__
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
SimpleHTTPRequestHandler.__init__(self, req, addr, server)
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/SocketServer.py", line 652, in __init__
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self.handle()
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py",
 line 581, in handle
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
SimpleHTTPRequestHandler.handle(self)
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/BaseHTTPServer.py", line 340, in handle
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self.handle_one_request()
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/BaseHTTPServer.py", line 328, in handle_one_request
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     method()
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/websockify/websocket.py",
 line 567, in do_HEAD
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
SimpleHTTPRequestHandler.do_HEAD(self)
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/SimpleHTTPServer.py", line 54, in do_HEAD
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     f = 
self.send_head()
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/SimpleHTTPServer.py", line 103, in send_head
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/BaseHTTPServer.py", line 412, in send_header
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self.wfile.write("%s: %s\r\n" % (keyword, value))
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/socket.py", line 328, in write
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self.flush()
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/usr/lib/python2.7/socket.py", line 307, in flush
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     
self._sock.sendall(view[write_offset:write_offset+buffer_size])
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/eventlet/greenio/base.py",
 line 390, in sendall
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     tail = 
self.send(data, flags)
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/eventlet/greenio/base.py",
 line 384, in send
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     return 
self._send_loop(self.fd.send, data, flags)
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy   File 
"/openstack/venvs/nova-18.1.9/lib/python2.7/site-packages/eventlet/greenio/base.py",
 line 371, in _send_loop
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy     return 
send_method(data, *args)
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy error: [Errno 
32] Broken pipe
  2019-12-03 09:16:01.279 37844 ERROR nova.console.websocketproxy
  ----------------------------------------

  
  Please suggest us how to troubleshoot this issue .

  
  Thanks
  Kumar

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