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Very slow often on bash, sometimes hangs #149

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Very slow often on bash, sometimes hangs#149

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@eyalk11
eyalk11
opened on Feb 25, 2025

I can only provide samples of logs. It happens most of the times.

jupyter                       1.1.1
jupyter_ai                    2.29.0
jupyter_ai_magics             2.29.0
jupyter_client                8.6.3
jupyter-console               6.6.3
jupyter_core                  5.7.2
jupyter-events                0.11.0
jupyter-lsp                   2.2.5
jupyter_packaging             0.12.3
jupyter_server                2.15.0
jupyter_server_terminals      0.5.3
jupyterlab                    4.3.5
jupyterlab_pygments           0.3.0
jupyterlab-scenes             2.0.0
jupyterlab_server             2.27.3
jupyterlab_widgets            3.0.13
bash_kernel                   0.10.0

W 2025-02-25 05:34:40.025 ServerApp] Timeout waiting for kernel_info reply from ed08951e-39f9-42bb-b0ab-accbe68344f0
2025-02-25 05:34:40,028 - ServerApp - ERROR - Uncaught exception GET /api/kernels/bd331e82-7685-4e8d-bdc5-d01463594867/channels?session_id=c411998f-3af8-42d2-a9b5-23f70197e45a (127.0.0.1)
HTTPServerRequest(protocol='http', host='localhost:8812', method='GET', uri='/api/kernels/bd331e82-7685-4e8d-bdc5-d01463594867/channels?session_id=c411998f-3af8-42d2-a9b5-23f70197e45a', version='HTTP/1.1', remote_ip='127.0.0.1')
Traceback (most recent call last):
  File "/home/ekarni/.local/lib/python3.11/site-packages/tornado/websocket.py", line 940, in _accept_connection
    await open_result
  File "/home/ekarni/.local/lib/python3.11/site-packages/jupyter_server/services/kernels/websocket.py", line 75, in open
    await self.connection.connect()
TimeoutError: Timeout
2025-02-25 05:34:40,028 - ServerApp - ERROR - Uncaught exception GET /api/kernels/ed08951e-39f9-42bb-b0ab-accbe68344f0/channels?session_id=21796ca0-45ca-4da4-bd33-f411e1ba46b4 (127.0.0.1)
HTTPServerRequest(protocol='http', host='localhost:8812', method='GET', uri='/api/kernels/ed08951e-39f9-42bb-b0ab-accbe68344f0/channels?session_id=21796ca0-45ca-4da4-bd33-f411e1ba46b4', version='HTTP/1.1', remote_ip='127.0.0.1')
Traceback (most recent call last):
  File "/home/ekarni/.local/lib/python3.11/site-packages/tornado/web.py", line 1790, in _execute
    result = await result
             ^^^^^^^^^^^^
  File "/home/ekarni/.local/lib/python3.11/site-packages/jupyter_server/services/kernels/websocket.py", line 66, in get
    await super().get(kernel_id=kernel_id)
  File "/home/ekarni/.local/lib/python3.11/site-packages/tornado/websocket.py", line 273, in get
    await self.ws_connection.accept_connection(self)
  File "/home/ekarni/.local/lib/python3.11/site-packages/tornado/websocket.py", line 863, in accept_connection
    await self._accept_connection(handler)
  File "/home/ekarni/.local/lib/python3.11/site-packages/tornado/websocket.py", line 903, in _accept_connection
    self.selected_subprotocol = handler.select_subprotocol(subprotocols)
                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/ekarni/.local/lib/python3.11/site-packages/jupyter_server/services/kernels/websocket.py", line 88, in select_subprotocol
    preferred_protocol = self.connection.kernel_ws_protocol
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'kernel_ws_protocol'
[E 2025-02-25 05:34:40.037 ServerApp] {
      "Host": "localhost:8812",
      "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36"
    }
[E 2025-02-25 05:34:40.038 ServerApp] 500 GET /api/kernels/ed08951e-39f9-42bb-b0ab-accbe68344f0/channels?session_id=21796ca0-45ca-4da4-bd33-f411e1ba46b4 (f6b8cab139e4404eab15af5c28728d9c@127.0.0.1) 63633.61ms referer=None
[W 2025-02-25 05:34:59.524 ServerApp] Timeout waiting for kernel_info reply from bd331e82-7685-4e8d-bdc5-d01463594867
[I 2025-02-25 05:34:59.526 ServerApp] Connecting to kernel bd331e82-7685-4e8d-bdc5-d01463594867.
[W 2025-02-25 05:35:23.877 ServerApp] Nudge: attempt 10 on kernel bd331e82-7685-4e8d-bdc5-d01463594867
[W 2025-02-25 05:36:01.227 ServerApp] Nudge: attempt 20 on kernel bd331e82-7685-4e8d-bdc5-d01463594867
[W 2025-02-25 05:36:01.228 ServerApp] Timeout waiting for kernel_info reply from ed08951e-39f9-42bb-b0ab-accbe68344f0
2025-02-25 05:36:01,231 - ServerApp - ERROR - Uncaught exception GET /api/kernels/bd331e82-7685-4e8d-bdc5-d01463594867/channels?session_id=922c1a45-92c5-42b4-83c3-e6d62849ec63 (127.0.0.1)
HTTPServerRequest(protocol='http', host='localhost:8812', method='GET', uri='/api/kernels/bd331e82-7685-4e8d-bdc5-d01463594867/channels?session_id=922c1a45-92c5-42b4-83c3-e6d62849ec63', version='HTTP/1.1', remote_ip='127.0.0.1')
Traceback (most recent call last):
  File "/home/ekarni/.local/lib/python3.11/site-packages/tornado/websocket.py", line 940, in _accept_connection
    await open_result
  File "/home/ekarni/.local/lib/python3.11/site-packages/jupyter_server/services/kernels/websocket.py", line 75, in open
    await self.connection.connect()
TimeoutError: Timeout
[I 2025-02-25 05:36:01.232 ServerApp] Connecting to kernel ed08951e-39f9-42bb-b0ab-accbe68344f0.
[W 2025-02-25 05:36:36.350 ServerApp] Nudge: attempt 10 on kernel ed08951e-39f9-42bb-b0ab-accbe68344f0
[I 2025-02-25 05:36:39.215 ServerApp] Connecting to kernel 4c07a83a-083c-41e8-9275-0c00dbee3a4a.
[I 2025-02-25 05:36:39.230 ServerApp] Client connected. ID: 5263787459384a93bed4d187dcecf319
[I 2025-02-25 05:36:39.230 ServerApp] Starting buffering for 4c07a83a-083c-41e8-9275-0c00dbee3a4a:944ffa4f-75ef-4f2a-99c0-0b31f67fa6d9
[W 2025-02-25 05:36:39.254 ServerApp] Replacing stale connection: bd331e82-7685-4e8d-bdc5-d01463594867:922c1a45-92c5-42b4-83c3-e6d62849ec63
Exception in callback _chain_future.<locals>._set_state(<Future finished result={}>, <Future at 0x...returned dict>) at /usr/lib/python3.11/asyncio/futures.py:381
handle: <Handle _chain_future.<locals>._set_state(<Future finished result={}>, <Future at 0x...returned dict>) at /usr/lib/python3.11/asyncio/futures.py:381>
Traceback (most recent call last):
  File "/usr/lib/python3.11/asyncio/events.py", line 84, in _run
    self._context.run(self._callback, *self._args)
  File "/usr/lib/python3.11/asyncio/futures.py", line 383, in _set_state
    _copy_future_state(other, future)
  File "/usr/lib/python3.11/asyncio/futures.py", line 353, in _copy_future_state
    assert not dest.done()
           ^^^^^^^^^^^^^^^
AssertionError
Exception in callback _chain_future.<locals>._set_state(<Future finished result={}>, <Future at 0x...returned dict>) at /usr/lib/python3.11/asyncio/futures.py:381
handle: <Handle _chain_future.<locals>._set_state(<Future finished result={}>, <Future at 0x...returned dict>) at /usr/lib/python3.11/asyncio/futures.py:381>
Traceback (most recent call last):
  File "/usr/lib/python3.11/asyncio/events.py", line 84, in _run
    self._context.run(self._callback, *self._args)
  File "/usr/lib/python3.11/asyncio/futures.py", line 383, in _set_state
    _copy_future_state(other, future)
  File "/usr/lib/python3.11/asyncio/futures.py", line 353, in _copy_future_state
    assert not dest.done()
           ^^^^^^^^^^^^^^^
AssertionError
Exception in callback _chain_future.<locals>._set_state(<Future finished result={}>, <Future at 0x...returned dict>) at /usr/lib/python3.11/asyncio/futures.py:381
handle: <Handle _chain_future.<locals>._set_state(<Future finished result={}>, <Future at 0x...returned dict>) at /usr/lib/python3.11/asyncio/futures.py:381>
Traceback (most recent call last):
  File "/usr/lib/python3.11/asyncio/events.py", line 84, in _run
    self._context.run(self._callback, *self._args)
  File "/usr/lib/python3.11/asyncio/futures.py", line 383, in _set_state
    _copy_future_state(other, future)
  File "/usr/lib/python3.11/asyncio/futures.py", line 353, in _copy_future_state
    assert not dest.done()
           ^^^^^^^^^^^^^^^
AssertionError
Exception in callback _chain_future.<locals>._set_state(<Future finished result={}>, <Future at 0x...returned dict>) at /usr/lib/python3.11/asyncio/futures.py:381
handle: <Handle _chain_future.<locals>._set_state(<Future finished result={}>, <Future at 0x...returned dict>) at /usr/lib/python3.11/asyncio/futures.py:381>
Traceback (most recent call last):
  File "/usr/lib/python3.11/asyncio/events.py", line 84, in _run
    self._context.run(self._callback, *self._args)
  File "/usr/lib/python3.11/asyncio/futures.py", line 383, in _set_state
    _copy_future_state(other, future)
  File "/usr/lib/python3.11/asyncio/futures.py", line 353, in _copy_future_state
    assert not dest.done()
           ^^^^^^^^^^^^^^^
AssertionError
Exception in callback _chain_future.<locals>._set_state(<Future finished result={}>, <Future at 0x...returned dict>) at /usr/lib/python3.11/asyncio/futures.py:381
handle: <Handle _chain_future.<locals>._set_state(<Future finished result={}>, <Future at 0x...returned dict>) at /usr/lib/python3.11/asyncio/futures.py:381>
Traceback (most recent call last):
  File "/usr/lib/python3.11/asyncio/events.py", line 84, in _run
    self._context.run(self._callback, *self._args)
  File "/usr/lib/python3.11/asyncio/futures.py", line 383, in _set_state
    _copy_future_state(other, future)
  File "/usr/lib/python3.11/asyncio/futures.py", line 353, in _copy_future_state
    assert not dest.done()
           ^^^^^^^^^^^^^^^
AssertionError
[I 2025-02-25 05:37:38.128 ServerApp] Connecting to kernel bd331e82-7685-4e8d-bdc5-d01463594867.
[I 2025-02-25 05:37:38.147 ServerApp] Connecting to kernel ed08951e-39f9-42bb-b0ab-accbe68344f0.
[I 2025-02-25 05:37:38.164 ServerApp] Connecting to kernel bd331e82-7685-4e8d-bdc5-d01463594867.
[IPKernelApp] WARNING | Unknown message type: 'comm_open'
[IPKernelApp] WARNING | Unknown message type: 'comm_msg'
[I 2025-02-25 05:37:38.186 ServerApp] Connecting to kernel 4c07a83a-083c-41e8-9275-0c00dbee3a4a.
[IPKernelApp] WARNING | Unknown message type: 'comm_open'
[IPKernelApp] WARNING | Unknown message type: 'comm_msg'
[IPKernelApp] WARNING | Unknown message type: 'comm_open'
[IPKernelApp] WARNING | Unknown message type: 'comm_msg'
[I 2025-02-25 05:38:40.557 ServerApp] Saving file at /pods.ipynb

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