XPK Start: Sun Apr 19 21:36:17 UTC 2026 PyTorch was not found. Models won't be available and only tokenizers, configuration and file/data utilities can be used. 2026-04-19 21:36:41.921204: E external/local_xla/xla/stream_executor/cuda/cuda_platform.cc:51] failed call to cuInit: INTERNAL: CUDA error: Failed call to cuInit: UNKNOWN ERROR (303) I0419 21:36:42.451666 140263638398784 max_utils.py:273] Attempting to initialize the jax distributed system... I0419 21:36:51.493513 140263638398784 distributed.py:149] Starting JAX distributed service on [::]:8482 I0419 21:36:51.495749 140263638398784 distributed.py:172] Connecting to JAX distributed service on mt-15-ocdbt-false-rs-acz14-slice-job-0-0.mt-15-ocdbt-false-rs-acz14:8482 I0419 21:36:52.561632 140263638398784 max_utils.py:284] Jax distributed system initialized! I0419 21:36:57.600367 140263638398784 max_utils.py:800] System Information: Jax Version: 0.9.2 I0419 21:36:57.600486 140263638398784 max_utils.py:801] System Information: Jaxlib Version: 0.9.2 I0419 21:36:57.600529 140263638398784 max_utils.py:802] System Information: Jax Backend: PJRT C API TFRT TPU v6 lite Built on Mar 4 2026 11:32:08 (1772652728) cl/878335365 I0419 21:36:57.600564 140263638398784 train_utils.py:348] WARNING: Sequence packing is essentially ignored for synthetic data. Please use a real dataset to use sequence packing. Traceback (most recent call last): File "<frozen runpy>", line 198, in _run_module_as_main File "<frozen runpy>", line 88, in _run_code File "/deps/src/maxtext/trainers/pre_train/train.py", line 744, in <module> app.run(main) File "/usr/local/lib/python3.12/site-packages/absl/app.py", line 367, in run _run_main(main, args) File "/usr/local/lib/python3.12/site-packages/absl/app.py", line 312, in _run_main sys.exit(main(argv)) ^^^^^^^^^^ File "/deps/src/maxtext/trainers/pre_train/train.py", line 740, in main train_func() File "/deps/src/maxtext/trainers/pre_train/train.py", line 730, in train_func run(config, recorder, diagnostic_config) File "/deps/src/maxtext/trainers/pre_train/train.py", line 709, in run train_loop(config, recorder) File "/deps/src/maxtext/trainers/pre_train/train.py", line 536, in train_loop ) = train_utils.setup_train_loop(config, recorder) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/deps/src/maxtext/utils/train_utils.py", line 217, in setup_train_loop raise NotImplementedError("Pure NNX support has not been implemented yet.") NotImplementedError: Pure NNX support has not been implemented yet. XPK End: Sun Apr 19 21:37:08 UTC 2026 EXIT_CODE=1