XPK Start: Fri Apr 17 15:14:34 UTC 2026 PyTorch was not found. Models won't be available and only tokenizers, configuration and file/data utilities can be used. 2026-04-17 15:14:58.279410: 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) I0417 15:14:58.457817 136175613228864 max_utils.py:273] Attempting to initialize the jax distributed system... I0417 15:15:07.499350 136175613228864 distributed.py:149] Starting JAX distributed service on [::]:8482 I0417 15:15:07.501806 136175613228864 distributed.py:172] Connecting to JAX distributed service on mt-04-int8-5fkmy-slice-job-0-0.mt-04-int8-5fkmy:8482 I0417 15:15:08.933291 136175613228864 max_utils.py:284] Jax distributed system initialized! I0417 15:15:15.023096 136175613228864 max_utils.py:800] System Information: Jax Version: 0.9.2 I0417 15:15:15.023198 136175613228864 max_utils.py:801] System Information: Jaxlib Version: 0.9.2 I0417 15:15:15.023243 136175613228864 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 I0417 15:15:15.023280 136175613228864 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 712, 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 708, in main train_func() File "/deps/src/maxtext/trainers/pre_train/train.py", line 698, in train_func run(config, recorder, diagnostic_config) File "/deps/src/maxtext/trainers/pre_train/train.py", line 677, in run train_loop(config, recorder) File "/deps/src/maxtext/trainers/pre_train/train.py", line 504, 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: Fri Apr 17 15:15:24 UTC 2026 EXIT_CODE=1