=== Avatar Training (fire-and-forget) === Script: train_pi0fast.py Started: 2026-03-15 17:05:21 UTC >>> [0/4] Raising file descriptor limit... ulimit -n = 65536 >>> [1/4] Setting environment... HF_TOKEN set: 37 chars WANDB_API_KEY set: 0 chars >>> [2/4] Logging into HuggingFace... The token has not been saved to the git credentials helper. Pass `add_to_git_credential=True` in this function directly or `--add-to-git-credential` if using via `hf`CLI if you want to set the git credential as well. Token is valid (permission: write). The token `avatar` has been saved to /root/.cache/huggingface/stored_tokens Your token has been saved to /root/.cache/huggingface/token Login successful. Note: Environment variable`HF_TOKEN` is set and is the current active token independently from the token you've just configured. ⚠️ Warning: 'huggingface-cli login' is deprecated. Use 'hf auth login' instead. >>> [3/4] Pre-downloading pretrained model... Downloading lerobot/pi0fast-base (default)... Fetching 6 files: 0%| | 0/6 [00:00>> [3.5/4] Pre-downloading dataset (single process)... Dataset key: alpha_bot_right_combined Downloading avatarrobotics/alpha-bot-right-combined... Fetching 12927 files: 0%| | 0/12927 [00:00>> [4/4] Launching accelerate with 8 GPUs... Script: train_pi0fast.py Train args: --dataset alpha_bot_right_combined --steps 400000 --batch-size 8 --lr 5e-5 --warmup-steps 1000 --save-freq 30000 --log-freq 100 --chunk-size 10 --num-workers 4 --push-to-hub --wandb The following values were not passed to `accelerate launch` and had defaults used instead: `--num_machines` was set to a value of `1` `--mixed_precision` was set to a value of `'no'` `--dynamo_backend` was set to a value of `'no'` To avoid this warning pass in values for each of the problematic parameters or run `accelerate config`. ============================================================ π₀-FAST Training ============================================================ Dataset: avatarrobotics/alpha-bot-right-combined Pretrained: lerobot/pi0fast-base Model repo: avatarrobotics/pi0fast-alpha-bot-right-b64-20260315-1758 Steps: 400000 Batch/GPU: 8 (eff: 64) Chunk size: 10 LR: 5e-05 Save freq: 30000 GPUs: 8 ============================================================ [Avatar] W&B key invalid (0 chars), skipping [Avatar] W&B key invalid (0 chars), skipping [Avatar] W&B key invalid (0 chars), skipping [Avatar] W&B key invalid (0 chars), skipping [Avatar] W&B key invalid (0 chars), skipping [Avatar] W&B key invalid (0 chars), skipping [Avatar] W&B key invalid (0 chars), skipping [Avatar] W&B key invalid (0 chars), skipping lerobot_train \ --dataset.repo_id=avatarrobotics/alpha-bot-right-combined \ --policy.type=pi0_fast \ --policy.pretrained_path=lerobot/pi0fast-base \ --policy.repo_id=avatarrobotics/pi0fast-alpha-bot-right-b64-20260315-1758 \ --policy.dtype=bfloat16 \ --policy.gradient_checkpointing=true \ --policy.chunk_size=10 \ --policy.n_action_steps=10 \ --policy.max_action_tokens=256 \ --policy.optimizer_lr=5e-05 \ --policy.optimizer_weight_decay=0.01 \ --policy.scheduler_warmup_steps=1000 \ --policy.scheduler_decay_steps=400000 \ --policy.scheduler_decay_lr=1e-6 \ --batch_size=8 \ --steps=400000 \ --save_freq=30000 \ --log_freq=100 \ --save_checkpoint=true \ --seed=1000 \ --num_workers=4 \ --output_dir=outputs/train/pi0fast \ --tolerance_s=2.0 \ --policy.push_to_hub=true \ --policy.private=true \ [Avatar] cudnn.benchmark=True, tf32=True [Avatar] Checkpoint push enabled → avatarrobotics/pi0fast-alpha-bot-right-b64-20260315-1758 (with per-step tags) [Avatar] Dataset task text patched (multi-task from tasks.json) [Avatar] Dataset timestamp tolerance set to 2.0s [Avatar] Installed corrupt-frame retry handler [Avatar] Patched resize_with_pad_torch -> center_crop_resize (no padding waste) [Avatar] Checkpoint push enabled → avatarrobotics/pi0fast-alpha-bot-right-b64-20260315-1758 (with per-step tags) [Avatar] Dataset task text patched (multi-task from tasks.json) [Avatar] Dataset timestamp tolerance set to 2.0s [Avatar] Installed corrupt-frame retry handler [Avatar] Patched resize_with_pad_torch -> center_crop_resize (no padding waste) [Avatar] Checkpoint push enabled → avatarrobotics/pi0fast-alpha-bot-right-b64-20260315-1758 (with per-step tags) [Avatar] Dataset task text patched (multi-task from tasks.json) [Avatar] Dataset timestamp tolerance set to 2.0s [Avatar] Installed corrupt-frame retry handler [Avatar] Patched resize_with_pad_torch -> center_crop_resize (no padding waste) [Avatar] Checkpoint push enabled → avatarrobotics/pi0fast-alpha-bot-right-b64-20260315-1758 (with per-step tags) [Avatar] Dataset task text patched (multi-task from tasks.json) [Avatar] Dataset timestamp tolerance set to 2.0s [Avatar] Installed corrupt-frame retry handler [Avatar] Patched resize_with_pad_torch -> center_crop_resize (no padding waste) [Avatar] Checkpoint push enabled → avatarrobotics/pi0fast-alpha-bot-right-b64-20260315-1758 (with per-step tags) [Avatar] Dataset task text patched (multi-task from tasks.json) [Avatar] Dataset timestamp tolerance set to 2.0s [Avatar] Installed corrupt-frame retry handler [Avatar] Patched resize_with_pad_torch -> center_crop_resize (no padding waste) [Avatar] Checkpoint push enabled → avatarrobotics/pi0fast-alpha-bot-right-b64-20260315-1758 (with per-step tags) [Avatar] Dataset task text patched (multi-task from tasks.json) [Avatar] Dataset timestamp tolerance set to 2.0s [Avatar] Installed corrupt-frame retry handler [Avatar] Patched resize_with_pad_torch -> center_crop_resize (no padding waste) [Avatar] Checkpoint push enabled → avatarrobotics/pi0fast-alpha-bot-right-b64-20260315-1758 (with per-step tags) [Avatar] Dataset task text patched (multi-task from tasks.json) [Avatar] Dataset timestamp tolerance set to 2.0s [Avatar] Installed corrupt-frame retry handler [Avatar] Patched resize_with_pad_torch -> center_crop_resize (no padding waste) [Avatar] Checkpoint push enabled → avatarrobotics/pi0fast-alpha-bot-right-b64-20260315-1758 (with per-step tags) [Avatar] Dataset task text patched (multi-task from tasks.json) [Avatar] Dataset timestamp tolerance set to 2.0s [Avatar] Installed corrupt-frame retry handler [Avatar] Patched resize_with_pad_torch -> center_crop_resize (no padding waste) [Avatar] Dataset pre-downloaded by launcher script WARNING:lerobot.configs.policies:Device 'None' is not available. Switching to 'cuda'. WARNING:lerobot.configs.policies:Device 'None' is not available. Switching to 'cuda'. WARNING:lerobot.configs.policies:Device 'None' is not available. Switching to 'cuda'. WARNING:lerobot.configs.policies:Device 'None' is not available. Switching to 'cuda'. WARNING:lerobot.configs.policies:Device 'None' is not available. Switching to 'cuda'. WARNING:lerobot.configs.policies:Device 'None' is not available. Switching to 'cuda'. WARNING:lerobot.configs.policies:Device 'None' is not available. Switching to 'cuda'. WARNING:lerobot.configs.policies:Device 'None' is not available. Switching to 'cuda'. INFO 2026-03-15 17:59:06 ot_train.py:197 {'batch_size': 8, 'checkpoint_path': None, 'dataset': {'episodes': None, 'image_transforms': {'enable': False, 'max_num_transforms': 3, 'random_order': False, 'tfs': {'affine': {'kwargs': {'degrees': [-5.0, 5.0], 'translate': [0.05, 0.05]}, 'type': 'RandomAffine', 'weight': 1.0}, 'brightness': {'kwargs': {'brightness': [0.8, 1.2]}, 'type': 'ColorJitter', 'weight': 1.0}, 'contrast': {'kwargs': {'contrast': [0.8, 1.2]}, 'type': 'ColorJitter', 'weight': 1.0}, 'hue': {'kwargs': {'hue': [-0.05, 0.05]}, 'type': 'ColorJitter', 'weight': 1.0}, 'saturation': {'kwargs': {'saturation': [0.5, 1.5]}, 'type': 'ColorJitter', 'weight': 1.0}, 'sharpness': {'kwargs': {'sharpness': [0.5, 1.5]}, 'type': 'SharpnessJitter', 'weight': 1.0}}}, 'repo_id': 'avatarrobotics/alpha-bot-right-combined', 'revision': None, 'root': None, 'streaming': False, 'use_imagenet_stats': True, 'video_backend': 'torchcodec'}, 'env': None, 'eval': {'batch_size': 50, 'n_episodes': 50, 'use_async_envs': False}, 'eval_freq': 20000, 'job_name': 'pi0_fast', 'log_freq': 100, 'num_workers': 4, 'optimizer': {'betas': [0.9, 0.95], 'eps': 1e-08, 'grad_clip_norm': 1.0, 'lr': 5e-05, 'type': 'adamw', 'weight_decay': 0.01}, 'output_dir': 'outputs/train/pi0fast', 'peft': None, 'policy': {'action_expert_variant': 'gemma_300m', 'action_tokenizer_name': 'physical-intelligence/fast', 'chunk_size': 10, 'compile_mode': 'max-autotune', 'compile_model': False, 'device': 'cuda', 'dtype': 'bfloat16', 'empty_cameras': 0, 'fast_skip_tokens': 128, 'gradient_checkpointing': True, 'image_resolution': [224, 224], 'input_features': {}, 'license': None, 'max_action_dim': 32, 'max_action_tokens': 256, 'max_decoding_steps': 256, 'max_state_dim': 32, 'n_action_steps': 10, 'n_obs_steps': 1, 'normalization_mapping': {'ACTION': , 'STATE': , 'VISUAL': }, 'optimizer_betas': [0.9, 0.95], 'optimizer_eps': 1e-08, 'optimizer_grad_clip_norm': 1.0, 'optimizer_lr': 5e-05, 'optimizer_weight_decay': 0.01, 'output_features': {}, 'paligemma_variant': 'gemma_2b', 'pretrained_path': 'lerobot/pi0fast-base', 'private': True, 'push_to_hub': True, 'repo_id': 'avatarrobotics/pi0fast-alpha-bot-right-b64-20260315-1758', 'rtc_config': None, 'scheduler_decay_lr': 1e-06, 'scheduler_decay_steps': 400000, 'scheduler_warmup_steps': 1000, 'tags': None, 'temperature': 0.0, 'text_tokenizer_name': 'google/paligemma-3b-pt-224', 'tokenizer_max_length': 200, 'type': 'pi0_fast', 'use_amp': False, 'use_kv_cache': True, 'use_peft': False, 'validate_action_token_prefix': True}, 'rabc_epsilon': 1e-06, 'rabc_head_mode': 'sparse', 'rabc_kappa': 0.01, 'rabc_progress_path': None, 'rename_map': {}, 'resume': False, 'save_checkpoint': True, 'save_freq': 30000, 'scheduler': {'decay_lr': 1e-06, 'num_decay_steps': 400000, 'num_warmup_steps': 1000, 'peak_lr': 5e-05, 'type': 'cosine_decay_with_warmup'}, 'seed': 1000, 'steps': 400000, 'tolerance_s': 2.0, 'use_policy_training_preset': True, 'use_rabc': False, 'wandb': {'disable_artifact': False, 'enable': False, 'entity': None, 'mode': None, 'notes': None, 'project': 'lerobot', 'run_id': None}} INFO 2026-03-15 17:59:06 ot_train.py:205 Logs will be saved locally. INFO 2026-03-15 17:59:06 ot_train.py:217 Creating dataset INFO 2026-03-15 17:59:06 eo_utils.py:106 Using video codec: libsvtav1 Fetching 12926 files: 0%| | 0/12926 [00:00 tolerance_s=2, retrying with idx=467651 [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Corrupt/hung frame: RuntimeError: Failed to open input buffer: Invalid data found when processing input, retrying with idx=467651 [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Corrupt/hung frame: FrameTimestampError: One or several query timestamps unexpectedly violate the tolerance (tensor([3.9333]) > tolerance_s=2, retrying with idx=1607902 [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Corrupt/hung frame: FrameTimestampError: One or several query timestamps unexpectedly violate the tolerance (tensor([2.]) > tolerance_s=2.0)., retrying with idx=1607902 [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Corrupt/hung frame: FrameTimestampError: One or several query timestamps unexpectedly violate the tolerance (tensor([3.9333]) > tolerance_s=2, retrying with idx=1607902 [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Corrupt/hung frame: RuntimeError: Failed to open input buffer: Invalid data found when processing input, retrying with idx=1607902 [Avatar] Loaded 4 tasks from /root/.cache/huggingface/lerobot/avatarrobotics/alpha-bot-right-combined/meta/tasks.json [Avatar] Corrupt/hung frame: FrameTimestampError: One or several query timestamps unexpectedly violate the tolerance (tensor([3.5333]) > tolerance_s=2, retrying with idx=467651 [Avatar] Corrupt/hung frame: RuntimeError: Failed to open input buffer: Invalid data found when processing input, retrying with idx=1473411 [Avatar] Corrupt/hung frame: FrameTimestampError: One or several query timestamps unexpectedly violate the tolerance (tensor([2.3333]) > tolerance_s=2, retrying with idx=1473411 [Avatar] Corrupt/hung frame: RuntimeError: Failed to open input buffer: Invalid data found when processing input, retrying with idx=138951 [rank7]: Traceback (most recent call last): [rank7]: File "/tmp/train_pi0fast.py", line 439, in [rank7]: main() [rank7]: File "/tmp/train_pi0fast.py", line 435, in main [rank7]: lerobot_main() [rank7]: File "/usr/local/lib/python3.11/dist-packages/lerobot/scripts/lerobot_train.py", line 547, in main [rank7]: train() [rank7]: File "/usr/local/lib/python3.11/dist-packages/lerobot/configs/parser.py", line 233, in wrapper_inner [rank7]: response = fn(cfg, *args, **kwargs) [rank7]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/lerobot/scripts/lerobot_train.py", line 409, in train [rank7]: batch = next(dl_iter) [rank7]: ^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/utils.py", line 911, in cycle [rank7]: yield next(iterator) [rank7]: ^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/accelerate/data_loader.py", line 577, in __iter__ [rank7]: current_batch = next(dataloader_iter) [rank7]: ^^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 733, in __next__ [rank7]: data = self._next_data() [rank7]: ^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 1515, in _next_data [rank7]: return self._process_data(data, worker_id) [rank7]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 1550, in _process_data [rank7]: data.reraise() [rank7]: File "/usr/local/lib/python3.11/dist-packages/torch/_utils.py", line 750, in reraise [rank7]: raise exception [rank7]: RuntimeError: Caught RuntimeError in DataLoader worker process 0. [rank7]: Original Traceback (most recent call last): [rank7]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/worker.py", line 349, in _worker_loop [rank7]: data = fetcher.fetch(index) # type: ignore[possibly-undefined] [rank7]: ^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/fetch.py", line 52, in fetch [rank7]: data = [self.dataset[idx] for idx in possibly_batched_index] [rank7]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/fetch.py", line 52, in [rank7]: data = [self.dataset[idx] for idx in possibly_batched_index] [rank7]: ~~~~~~~~~~~~^^^^^ [rank7]: File "/tmp/train_pi0fast.py", line 170, in _safe_getitem [rank7]: result = _orig_getitem(self, idx) [rank7]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/tmp/train_pi0fast.py", line 93, in _getitem_multi_task [rank7]: item = _orig_getitem(self, idx) [rank7]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/lerobot_dataset.py", line 1101, in __getitem__ [rank7]: video_frames = self._query_videos(query_timestamps, ep_idx) [rank7]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/lerobot_dataset.py", line 1064, in _query_videos [rank7]: frames = decode_video_frames(video_path, shifted_query_ts, self.tolerance_s, self.video_backend) [rank7]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/video_utils.py", line 150, in decode_video_frames [rank7]: return decode_video_frames_torchcodec(video_path, timestamps, tolerance_s) [rank7]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/video_utils.py", line 345, in decode_video_frames_torchcodec [rank7]: frames_batch = decoder.get_frames_at(indices=frame_indices) [rank7]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/torchcodec/decoders/_video_decoder.py", line 227, in get_frames_at [rank7]: data, pts_seconds, duration_seconds = core.get_frames_at_indices( [rank7]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank7]: File "/usr/local/lib/python3.11/dist-packages/torch/_ops.py", line 756, in __call__ [rank7]: return self._op(*args, **kwargs) [rank7]: ^^^^^^^^^^^^^^^^^^^^^^^^^ [rank7]: RuntimeError: Invalid frame index=168 for streamIndex=0; must be less than 105 [rank0]: Traceback (most recent call last): [rank0]: File "/tmp/train_pi0fast.py", line 439, in [rank0]: main() [rank0]: File "/tmp/train_pi0fast.py", line 435, in main [rank0]: lerobot_main() [rank0]: File "/usr/local/lib/python3.11/dist-packages/lerobot/scripts/lerobot_train.py", line 547, in main [rank0]: train() [rank0]: File "/usr/local/lib/python3.11/dist-packages/lerobot/configs/parser.py", line 233, in wrapper_inner [rank0]: response = fn(cfg, *args, **kwargs) [rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/lerobot/scripts/lerobot_train.py", line 409, in train [rank0]: batch = next(dl_iter) [rank0]: ^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/utils.py", line 911, in cycle [rank0]: yield next(iterator) [rank0]: ^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/accelerate/data_loader.py", line 577, in __iter__ [rank0]: current_batch = next(dataloader_iter) [rank0]: ^^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 733, in __next__ [rank0]: data = self._next_data() [rank0]: ^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 1515, in _next_data [rank0]: return self._process_data(data, worker_id) [rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 1550, in _process_data [rank0]: data.reraise() [rank0]: File "/usr/local/lib/python3.11/dist-packages/torch/_utils.py", line 750, in reraise [rank0]: raise exception [rank0]: RuntimeError: Caught RuntimeError in DataLoader worker process 0. [rank0]: Original Traceback (most recent call last): [rank0]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/worker.py", line 349, in _worker_loop [rank0]: data = fetcher.fetch(index) # type: ignore[possibly-undefined] [rank0]: ^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/fetch.py", line 52, in fetch [rank0]: data = [self.dataset[idx] for idx in possibly_batched_index] [rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/fetch.py", line 52, in [rank0]: data = [self.dataset[idx] for idx in possibly_batched_index] [rank0]: ~~~~~~~~~~~~^^^^^ [rank0]: File "/tmp/train_pi0fast.py", line 170, in _safe_getitem [rank0]: result = _orig_getitem(self, idx) [rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/tmp/train_pi0fast.py", line 93, in _getitem_multi_task [rank0]: item = _orig_getitem(self, idx) [rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/lerobot_dataset.py", line 1101, in __getitem__ [rank0]: video_frames = self._query_videos(query_timestamps, ep_idx) [rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/lerobot_dataset.py", line 1064, in _query_videos [rank0]: frames = decode_video_frames(video_path, shifted_query_ts, self.tolerance_s, self.video_backend) [rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/video_utils.py", line 150, in decode_video_frames [rank0]: return decode_video_frames_torchcodec(video_path, timestamps, tolerance_s) [rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/video_utils.py", line 345, in decode_video_frames_torchcodec [rank0]: frames_batch = decoder.get_frames_at(indices=frame_indices) [rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/torchcodec/decoders/_video_decoder.py", line 227, in get_frames_at [rank0]: data, pts_seconds, duration_seconds = core.get_frames_at_indices( [rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank0]: File "/usr/local/lib/python3.11/dist-packages/torch/_ops.py", line 756, in __call__ [rank0]: return self._op(*args, **kwargs) [rank0]: ^^^^^^^^^^^^^^^^^^^^^^^^^ [rank0]: RuntimeError: Invalid frame index=328 for streamIndex=0; must be less than 243 [rank6]: Traceback (most recent call last): [rank6]: File "/tmp/train_pi0fast.py", line 439, in [rank6]: main() [rank6]: File "/tmp/train_pi0fast.py", line 435, in main [rank6]: lerobot_main() [rank6]: File "/usr/local/lib/python3.11/dist-packages/lerobot/scripts/lerobot_train.py", line 547, in main [rank6]: train() [rank6]: File "/usr/local/lib/python3.11/dist-packages/lerobot/configs/parser.py", line 233, in wrapper_inner [rank6]: response = fn(cfg, *args, **kwargs) [rank6]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/lerobot/scripts/lerobot_train.py", line 409, in train [rank6]: batch = next(dl_iter) [rank6]: ^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/utils.py", line 911, in cycle [rank6]: yield next(iterator) [rank6]: ^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/accelerate/data_loader.py", line 577, in __iter__ [rank6]: current_batch = next(dataloader_iter) [rank6]: ^^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 733, in __next__ [rank6]: data = self._next_data() [rank6]: ^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 1515, in _next_data [rank6]: return self._process_data(data, worker_id) [rank6]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 1550, in _process_data [rank6]: data.reraise() [rank6]: File "/usr/local/lib/python3.11/dist-packages/torch/_utils.py", line 750, in reraise [rank6]: raise exception [rank6]: RuntimeError: Caught RuntimeError in DataLoader worker process 0. [rank6]: Original Traceback (most recent call last): [rank6]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/worker.py", line 349, in _worker_loop [rank6]: data = fetcher.fetch(index) # type: ignore[possibly-undefined] [rank6]: ^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/fetch.py", line 52, in fetch [rank6]: data = [self.dataset[idx] for idx in possibly_batched_index] [rank6]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/fetch.py", line 52, in [rank6]: data = [self.dataset[idx] for idx in possibly_batched_index] [rank6]: ~~~~~~~~~~~~^^^^^ [rank6]: File "/tmp/train_pi0fast.py", line 170, in _safe_getitem [rank6]: result = _orig_getitem(self, idx) [rank6]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/tmp/train_pi0fast.py", line 93, in _getitem_multi_task [rank6]: item = _orig_getitem(self, idx) [rank6]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/lerobot_dataset.py", line 1101, in __getitem__ [rank6]: video_frames = self._query_videos(query_timestamps, ep_idx) [rank6]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/lerobot_dataset.py", line 1064, in _query_videos [rank6]: frames = decode_video_frames(video_path, shifted_query_ts, self.tolerance_s, self.video_backend) [rank6]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/video_utils.py", line 150, in decode_video_frames [rank6]: return decode_video_frames_torchcodec(video_path, timestamps, tolerance_s) [rank6]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/video_utils.py", line 345, in decode_video_frames_torchcodec [rank6]: frames_batch = decoder.get_frames_at(indices=frame_indices) [rank6]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/torchcodec/decoders/_video_decoder.py", line 227, in get_frames_at [rank6]: data, pts_seconds, duration_seconds = core.get_frames_at_indices( [rank6]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank6]: File "/usr/local/lib/python3.11/dist-packages/torch/_ops.py", line 756, in __call__ [rank6]: return self._op(*args, **kwargs) [rank6]: ^^^^^^^^^^^^^^^^^^^^^^^^^ [rank6]: RuntimeError: Invalid frame index=379 for streamIndex=0; must be less than 265 [rank1]: Traceback (most recent call last): [rank1]: File "/tmp/train_pi0fast.py", line 439, in [rank1]: main() [rank1]: File "/tmp/train_pi0fast.py", line 435, in main [rank1]: lerobot_main() [rank1]: File "/usr/local/lib/python3.11/dist-packages/lerobot/scripts/lerobot_train.py", line 547, in main [rank1]: train() [rank1]: File "/usr/local/lib/python3.11/dist-packages/lerobot/configs/parser.py", line 233, in wrapper_inner [rank1]: response = fn(cfg, *args, **kwargs) [rank1]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/lerobot/scripts/lerobot_train.py", line 409, in train [rank1]: batch = next(dl_iter) [rank1]: ^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/utils.py", line 911, in cycle [rank1]: yield next(iterator) [rank1]: ^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/accelerate/data_loader.py", line 589, in __iter__ [rank1]: next_batch = next(dataloader_iter) [rank1]: ^^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 733, in __next__ [rank1]: data = self._next_data() [rank1]: ^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 1488, in _next_data [rank1]: return self._process_data(data, worker_id) [rank1]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 1550, in _process_data [rank1]: data.reraise() [rank1]: File "/usr/local/lib/python3.11/dist-packages/torch/_utils.py", line 750, in reraise [rank1]: raise exception [rank1]: RuntimeError: Caught RuntimeError in DataLoader worker process 1. [rank1]: Original Traceback (most recent call last): [rank1]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/worker.py", line 349, in _worker_loop [rank1]: data = fetcher.fetch(index) # type: ignore[possibly-undefined] [rank1]: ^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/fetch.py", line 52, in fetch [rank1]: data = [self.dataset[idx] for idx in possibly_batched_index] [rank1]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/fetch.py", line 52, in [rank1]: data = [self.dataset[idx] for idx in possibly_batched_index] [rank1]: ~~~~~~~~~~~~^^^^^ [rank1]: File "/tmp/train_pi0fast.py", line 170, in _safe_getitem [rank1]: result = _orig_getitem(self, idx) [rank1]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/tmp/train_pi0fast.py", line 93, in _getitem_multi_task [rank1]: item = _orig_getitem(self, idx) [rank1]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/lerobot_dataset.py", line 1101, in __getitem__ [rank1]: video_frames = self._query_videos(query_timestamps, ep_idx) [rank1]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/lerobot_dataset.py", line 1064, in _query_videos [rank1]: frames = decode_video_frames(video_path, shifted_query_ts, self.tolerance_s, self.video_backend) [rank1]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/video_utils.py", line 150, in decode_video_frames [rank1]: return decode_video_frames_torchcodec(video_path, timestamps, tolerance_s) [rank1]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/video_utils.py", line 345, in decode_video_frames_torchcodec [rank1]: frames_batch = decoder.get_frames_at(indices=frame_indices) [rank1]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/torchcodec/decoders/_video_decoder.py", line 227, in get_frames_at [rank1]: data, pts_seconds, duration_seconds = core.get_frames_at_indices( [rank1]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank1]: File "/usr/local/lib/python3.11/dist-packages/torch/_ops.py", line 756, in __call__ [rank1]: return self._op(*args, **kwargs) [rank1]: ^^^^^^^^^^^^^^^^^^^^^^^^^ [rank1]: RuntimeError: Invalid frame index=293 for streamIndex=0; must be less than 252 Training: 0%| | 0/400000 [00:03 tolerance_s=2, retrying with idx=273300 [rank0]:[W315 18:05:15.748049092 ProcessGroupNCCL.cpp:1479] Warning: WARNING: destroy_process_group() was not called before program exit, which can leak resources. For more info, please see https://pytorch.org/docs/stable/distributed.html#shutdown (function operator()) [Avatar] Corrupt/hung frame: FrameTimestampError: One or several query timestamps unexpectedly violate the tolerance (tensor([2.5333]) > tolerance_s=2, retrying with idx=1307155 [rank5]: Traceback (most recent call last): [rank5]: File "/tmp/train_pi0fast.py", line 439, in [rank5]: main() [rank5]: File "/tmp/train_pi0fast.py", line 435, in main [rank5]: lerobot_main() [rank5]: File "/usr/local/lib/python3.11/dist-packages/lerobot/scripts/lerobot_train.py", line 547, in main [rank5]: train() [rank5]: File "/usr/local/lib/python3.11/dist-packages/lerobot/configs/parser.py", line 233, in wrapper_inner [rank5]: response = fn(cfg, *args, **kwargs) [rank5]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/lerobot/scripts/lerobot_train.py", line 409, in train [rank5]: batch = next(dl_iter) [rank5]: ^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/utils.py", line 911, in cycle [rank5]: yield next(iterator) [rank5]: ^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/accelerate/data_loader.py", line 589, in __iter__ [rank5]: next_batch = next(dataloader_iter) [rank5]: ^^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 733, in __next__ [rank5]: data = self._next_data() [rank5]: ^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 1488, in _next_data [rank5]: return self._process_data(data, worker_id) [rank5]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/dataloader.py", line 1550, in _process_data [rank5]: data.reraise() [rank5]: File "/usr/local/lib/python3.11/dist-packages/torch/_utils.py", line 750, in reraise [rank5]: raise exception [rank5]: RuntimeError: Caught RuntimeError in DataLoader worker process 1. [rank5]: Original Traceback (most recent call last): [rank5]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/worker.py", line 349, in _worker_loop [rank5]: data = fetcher.fetch(index) # type: ignore[possibly-undefined] [rank5]: ^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/fetch.py", line 52, in fetch [rank5]: data = [self.dataset[idx] for idx in possibly_batched_index] [rank5]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/torch/utils/data/_utils/fetch.py", line 52, in [rank5]: data = [self.dataset[idx] for idx in possibly_batched_index] [rank5]: ~~~~~~~~~~~~^^^^^ [rank5]: File "/tmp/train_pi0fast.py", line 170, in _safe_getitem [rank5]: result = _orig_getitem(self, idx) [rank5]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/tmp/train_pi0fast.py", line 93, in _getitem_multi_task [rank5]: item = _orig_getitem(self, idx) [rank5]: ^^^^^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/lerobot_dataset.py", line 1101, in __getitem__ [rank5]: video_frames = self._query_videos(query_timestamps, ep_idx) [rank5]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/lerobot_dataset.py", line 1064, in _query_videos [rank5]: frames = decode_video_frames(video_path, shifted_query_ts, self.tolerance_s, self.video_backend) [rank5]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/video_utils.py", line 150, in decode_video_frames [rank5]: return decode_video_frames_torchcodec(video_path, timestamps, tolerance_s) [rank5]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/lerobot/datasets/video_utils.py", line 345, in decode_video_frames_torchcodec [rank5]: frames_batch = decoder.get_frames_at(indices=frame_indices) [rank5]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/torchcodec/decoders/_video_decoder.py", line 227, in get_frames_at [rank5]: data, pts_seconds, duration_seconds = core.get_frames_at_indices( [rank5]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [rank5]: File "/usr/local/lib/python3.11/dist-packages/torch/_ops.py", line 756, in __call__ [rank5]: return self._op(*args, **kwargs) [rank5]: ^^^^^^^^^^^^^^^^^^^^^^^^^ [rank5]: RuntimeError: Invalid frame index=221 for streamIndex=0; must be less than 135 W0315 18:05:15.891000 16033 torch/distributed/elastic/multiprocessing/api.py:900] Sending process 16101 closing signal SIGTERM W0315 18:05:15.891000 16033 torch/distributed/elastic/multiprocessing/api.py:900] Sending process 16102 closing signal SIGTERM W0315 18:05:15.892000 16033 torch/distributed/elastic/multiprocessing/api.py:900] Sending process 16103 closing signal SIGTERM W0315 18:05:15.893000 16033 torch/distributed/elastic/multiprocessing/api.py:900] Sending process 16104 closing signal SIGTERM W0315 18:05:15.893000 16033 torch/distributed/elastic/multiprocessing/api.py:900] Sending process 16105 closing signal SIGTERM W0315 18:05:15.894000 16033 torch/distributed/elastic/multiprocessing/api.py:900] Sending process 16106 closing signal SIGTERM W0315 18:05:15.894000 16033 torch/distributed/elastic/multiprocessing/api.py:900] Sending process 16107 closing signal SIGTERM E0315 18:05:17.073000 16033 torch/distributed/elastic/multiprocessing/api.py:874] failed (exitcode: 1) local_rank: 7 (pid: 16108) of binary: /usr/bin/python Traceback (most recent call last): File "/usr/local/bin/accelerate", line 8, in sys.exit(main()) ^^^^^^ File "/usr/local/lib/python3.11/dist-packages/accelerate/commands/accelerate_cli.py", line 50, in main args.func(args) File "/usr/local/lib/python3.11/dist-packages/accelerate/commands/launch.py", line 1396, in launch_command multi_gpu_launcher(args) File "/usr/local/lib/python3.11/dist-packages/accelerate/commands/launch.py", line 1023, in multi_gpu_launcher distrib_run.run(args) File "/usr/local/lib/python3.11/dist-packages/torch/distributed/run.py", line 883, in run elastic_launch( File "/usr/local/lib/python3.11/dist-packages/torch/distributed/launcher/api.py", line 139, in __call__ return launch_agent(self._config, self._entrypoint, list(args)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/local/lib/python3.11/dist-packages/torch/distributed/launcher/api.py", line 270, in launch_agent raise ChildFailedError( torch.distributed.elastic.multiprocessing.errors.ChildFailedError: ============================================================ /tmp/train_pi0fast.py FAILED ------------------------------------------------------------ Failures: ------------------------------------------------------------ Root Cause (first observed failure): [0]: time : 2026-03-15_18:05:15 host : 43ad08b41c0b rank : 7 (local_rank: 7) exitcode : 1 (pid: 16108) error_file: traceback : To enable traceback see: https://pytorch.org/docs/stable/elastic/errors.html ============================================================ >>> Training finished with exit code 1 Ended: 2026-03-15 18:05:17 UTC >>> Saving training log to HuggingFace...