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logs/onset_v7/vocal_onset_v7_20260404_212038.log

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+=== onset_v7 — Sat Apr  4 21:20:38 HKT 2026 ===
+SLURM_JOB_ID=128329 node=gpu-4080-410 gpu=0
+v6 MERT cache: 11321 files (reusing for v7)
+
+=== Phase 1: Train onset_v7 ===
+Device: cuda
+v7: MERT features (768) + temporal diff (768) = 1536-dim input
+proj_dim=128, hidden_dim=64
+Train: 11283  Val: 39
+
+--- Checking MERT cache at /userhome/cs/u3571824/fyp/muse/backend/ml_models/dev/vocal/cache/onset_v6 ---
+Loading MERT-v1-95M (frozen)...
+WARNING: feature_extractor_cqt requires the libray 'nnAudio'
+
+/userhome/cs/u3571824/fyp/muse/backend/ml_models/dev/vocal/train_onset_v7.py:311: FutureWarning: `torch.cuda.amp.GradScaler(args...)` is deprecated. Please use `torch.amp.GradScaler('cuda', args...)` instead.
+  scaler = GradScaler(enabled=(args.fp16 and device == 'cuda'))
+MERT loaded (94M params, frozen)
+  WARN: /userhome/cs/u3571824/fyp/muse/backend/ml_models/dev/vocal/data/processed/audio/mir_st500_162.wav: Calculated padded input size per channel: (1). Kernel size: (2). Kernel size can't be greater than actual input size
+MERT feature extraction: 0 new, 11321 cached, 1 failed
+  WARN: missing cache for /userhome/cs/u3571824/fyp/muse/backend/ml_models/dev/vocal/data/processed/audio/mir_st500_162.wav, skipping
+  OnsetV7Dataset: 11282 tracks (v6 cache)
+  OnsetV7Dataset: 39 tracks (v6 cache)
+OnsetMERTDiffGRU: 0.346M params
+
+=== Training onset_v7: 40 epochs ===
+/userhome/cs/u3571824/fyp/muse/backend/ml_models/dev/vocal/train_onset_v7.py:197: FutureWarning: `torch.cuda.amp.autocast(args...)` is deprecated. Please use `torch.amp.autocast('cuda', args...)` instead.
+  with cuda_autocast(enabled=scaler.is_enabled()):
+Exception in thread Thread-2 (_pin_memory_loop):
+Traceback (most recent call last):
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/threading.py", line 1016, in _bootstrap_inner
+    self.run()
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/threading.py", line 953, in run
+    self._target(*self._args, **self._kwargs)
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/site-packages/torch/utils/data/_utils/pin_memory.py", line 52, in _pin_memory_loop
+    do_one_step()
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/site-packages/torch/utils/data/_utils/pin_memory.py", line 28, in do_one_step
+    r = in_queue.get(timeout=MP_STATUS_CHECK_INTERVAL)
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/multiprocessing/queues.py", line 122, in get
+    return _ForkingPickler.loads(res)
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/site-packages/torch/multiprocessing/reductions.py", line 540, in rebuild_storage_fd
+    fd = df.detach()
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/multiprocessing/resource_sharer.py", line 57, in detach
+    with _resource_sharer.get_connection(self._id) as conn:
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/multiprocessing/resource_sharer.py", line 86, in get_connection
+    c = Client(address, authkey=process.current_process().authkey)
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/multiprocessing/connection.py", line 502, in Client
+    c = SocketClient(address)
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/multiprocessing/connection.py", line 630, in SocketClient
+    s.connect(address)
+FileNotFoundError: [Errno 2] No such file or directory
+Traceback (most recent call last):
+  File "/userhome/cs/u3571824/fyp/muse/backend/ml_models/dev/vocal/train_onset_v7.py", line 358, in <module>
+    main()
+  File "/userhome/cs/u3571824/fyp/muse/backend/ml_models/dev/vocal/train_onset_v7.py", line 322, in main
+    train_loss = train_epoch(model, train_loader, optim, sched, scaler, device, focal)
+  File "/userhome/cs/u3571824/fyp/muse/backend/ml_models/dev/vocal/train_onset_v7.py", line 193, in train_epoch
+    for batch in loader:
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/site-packages/torch/utils/data/dataloader.py", line 741, in __next__
+    data = self._next_data()
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/site-packages/torch/utils/data/dataloader.py", line 1524, in _next_data
+    idx, data = self._get_data()
+  File "/userhome/cs/u3571824/anaconda3/envs/bass/lib/python3.10/site-packages/torch/utils/data/dataloader.py", line 1478, in _get_data
+    raise RuntimeError("Pin memory thread exited unexpectedly")
+RuntimeError: Pin memory thread exited unexpectedly
+FATAL: v7 training failed