Issues

• A data phase that changes the mixture mid-epoch repeats samples the epoch already drew and skips others

  bugcorehigh
  KempnerInstitute/KempnerForge#539 · Filter by author amazloumi opened on Nov 6, 2026

• A data phase's lr_scale starts one step after its weights, and a phase at start_step 0 waits until step 1

  bugcorelow
  KempnerInstitute/KempnerForge#537 · Filter by author amazloumi opened on Nov 6, 2026

• A pipeline stage whose parameters changed optimizer raises alone on resume while the other stages wait

  bugcoremedium
  KempnerInstitute/KempnerForge#536 · Filter by author amazloumi opened on Nov 6, 2026

• test_record_amends_one_record_atomically_through_a_temp_file fails on NFS when the replaced metadata.json is kept as a .nfs entry

  buglow
  KempnerInstitute/KempnerForge#531 · Filter by author amazloumi opened on Nov 6, 2026

• TestAFailedSaveFailsEveryRank counts rank start-up and exit against its save deadline and fails on a slow node

  bugmedium
  KempnerInstitute/KempnerForge#530 · Filter by author amazloumi opened on Nov 6, 2026

• A script that exits or raises while a StatefulDataLoader iterator with workers is alive hangs at exit

  bugcoremedium
  KempnerInstitute/KempnerForge#529 · Filter by author amazloumi opened on Nov 6, 2026

• Checkpoint pruning on NFS fails with Errno 39 right after a write and can leave a directory behind

  bugcorelow
  KempnerInstitute/KempnerForge#527 · Filter by author mmshad opened on Nov 6, 2026
  

• load_config checks the TOML layer before applying CLI overrides, so a cross-field rule split across them rejects a valid config

  bugcorelow
  KempnerInstitute/KempnerForge#526 · Filter by author amazloumi opened on Nov 6, 2026

• Muon's AdamW fallback runs at a scaled muon_adam_lr after a load that changes optimizer.lr without the optimizer state

  bugcoremedium
  KempnerInstitute/KempnerForge#525 · Filter by author amazloumi opened on Nov 6, 2026

• Two example notebooks fail ruff, and CI does not lint examples/

  buglow
  KempnerInstitute/KempnerForge#524 · Filter by author amazloumi opened on Nov 6, 2026

• Registry docs describe seven categories; main registers fourteen

  bugdocumentationlow
  KempnerInstitute/KempnerForge#523 · Filter by author amazloumi opened on Nov 6, 2026

• Config-time VLM length check ignores pooling in registered adapters and rejects a valid max_seq_len

  bugcorelow
  KempnerInstitute/KempnerForge#522 · Filter by author amazloumi opened on Nov 6, 2026

• A rank that cannot read mot_warm_start_path raises alone while the other ranks wait in the warm start's copy

  bugcorelow
  KempnerInstitute/KempnerForge#521 · Filter by author amazloumi opened on Nov 6, 2026

• mot_warm_start_from_text never runs in a fresh run: restore_checkpoint returns before its hook

  bugcoremedium
  KempnerInstitute/KempnerForge#519 · Filter by author amazloumi opened on Nov 6, 2026

• A config that JobConfig.validate rejects still starts the process group and DeviceMesh first

  coreenhancementlow
  KempnerInstitute/KempnerForge#517 · Filter by author mmshad opened on Nov 6, 2026
  

• schedule_free_adamw gives a parameter whose first gradient comes late an oversized first update

  bugcoremedium
  KempnerInstitute/KempnerForge#516 · Filter by author amazloumi opened on Nov 6, 2026

• A FreezeStage at start_step 0 never applies in a fresh run but takes effect after a resume

  bugcorelow
  KempnerInstitute/KempnerForge#515 · Filter by author amazloumi opened on Nov 6, 2026

• A raw fnmatch pattern in vlm.freeze passes config and build, then raises after the first step

  bugcorelow
  KempnerInstitute/KempnerForge#514 · Filter by author amazloumi opened on Nov 6, 2026

• Muon raises on a rank whose FSDP2 shard of a matrix is empty while the other ranks continue

  bugcorelow
  KempnerInstitute/KempnerForge#513 · Filter by author amazloumi opened on Nov 6, 2026

• A resume past freeze stages whose modules overlap applies another freeze than the uninterrupted run

  bugcoremedium
  KempnerInstitute/KempnerForge#512 · Filter by author amazloumi opened on Nov 6, 2026

• A load_path warm start logs into the source checkpoint's MLflow run instead of its own

  bugcoremedium
  KempnerInstitute/KempnerForge#511 · Filter by author amazloumi opened on Nov 6, 2026

• A dotted CLI override of a dict-valued config field replaces the whole TOML table

  bugcoremedium
  KempnerInstitute/KempnerForge#509 · Filter by author amazloumi opened on Nov 5, 2026

• Resuming draws the loader's base seed again, so the CPU RNG drifts from the uninterrupted run

  bugcorelow
  KempnerInstitute/KempnerForge#506 · Filter by author amazloumi opened on Nov 5, 2026

• An HF-backed vision encoder with no path passes config validation and fails at model build, naming a key that does not exist

  bugcorelow
  KempnerInstitute/KempnerForge#505 · Filter by author amazloumi opened on Nov 5, 2026

• Freeze-schedule stages match no parameters when compile_model is on

  bugcore
  KempnerInstitute/KempnerForge#502 · Filter by author amazloumi opened on Nov 5, 2026