[Gloo] Rank 0 is connected to 0 peer ranks. Expected number of connected peer ranks is : 0

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logs/b9ed9818-4ffe-4f5a-aff8-0df5b4a150d1.txt
Compiling model and warming up kernels (~7 minutes on first execution)
Sampling steps [0, 1, 4398, 4399, 4400, 4401, 8798, 8799, 8800, 8801, 13198, 13199, 13200, 13201] for warmup
W0615 01:45:46.376000 198186 torch/distributed/elastic/agent/server/api.py:739] Received 15 death signal, shutting down workers
W0615 01:45:46.376000 198186 torch/distributed/elastic/multiprocessing/api.py:1010] Sending process 198206 closing signal SIGTERM
W0615 01:45:46.377000 198186 torch/distributed/elastic/multiprocessing/api.py:1010] Sending process 198206 closing signal SIGTERM
Traceback (most recent call last):
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/elastic/agent/server/api.py", line 731, in run
    result = self._invoke_run(role)
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/elastic/agent/server/api.py", line 908, in _invoke_run
    time.sleep(monitor_interval)
    ~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/elastic/multiprocessing/api.py", line 86, in _terminate_process_handler
    raise SignalException(f"Process {os.getpid()} got signal: {sigval}", sigval=sigval)
torch.distributed.elastic.multiprocessing.api.SignalException: Process 198186 got signal: 15

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ubuntu/modded-nanogpt/.venv/bin/torchrun", line 6, in <module>
    sys.exit(main())
             ~~~~^^
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/elastic/multiprocessing/errors/__init__.py", line 362, in wrapper
    return f(*args, **kwargs)
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/run.py", line 991, in main
    run(args)
    ~~~^^^^^^
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/run.py", line 982, in run
    elastic_launch(
    ~~~~~~~~~~~~~~~
        config=config,
        ~~~~~~~~~~~~~~
        entrypoint=cmd,
        ~~~~~~~~~~~~~~~
    )(*cmd_args)
    ~^^^^^^^^^^^
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/launcher/api.py", line 170, in __call__
    return launch_agent(self._config, self._entrypoint, list(args))
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/launcher/api.py", line 308, in launch_agent
    result = agent.run()
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/elastic/metrics/api.py", line 134, in wrapper
    result = f(*args, **kwargs)
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/elastic/agent/server/api.py", line 740, in run
    self._shutdown(e.sigval)
    ~~~~~~~~~~~~~~^^^^^^^^^^
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/elastic/agent/server/local_elastic_agent.py", line 413, in _shutdown
    self._pcontext.close(death_sig)
    ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/elastic/multiprocessing/api.py", line 659, in close
    self._close(death_sig=death_sig, timeout=timeout)
    ~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/elastic/multiprocessing/api.py", line 1022, in _close
    handler.proc.wait(time_to_wait)
    ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
  File "/usr/lib/python3.14/subprocess.py", line 1279, in wait
    return self._wait(timeout=timeout)
           ~~~~~~~~~~^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.14/subprocess.py", line 2078, in _wait
    time.sleep(delay)
    ~~~~~~~~~~^^^^^^^
  File "/home/ubuntu/modded-nanogpt/.venv/lib/python3.14/site-packages/torch/distributed/elastic/multiprocessing/api.py", line 86, in _terminate_process_handler
    raise SignalException(f"Process {os.getpid()} got signal: {sigval}", sigval=sigval)
torch.distributed.elastic.multiprocessing.api.SignalException: Process 198186 got signal: 1