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Unsloth + vLLM multi-GPU setup in ART crashes when restricting CUDA_VISIBLE_DEVICES or using tensor parallelism >1 on H100 GPUs

bugSomething isn't workingSomething isn't working

Status: Open.

#478 In OpenPipe/ART;

· ansh-info opened on Dec 11, 2025

RULER produces scores >1, arbitrary outputs (7, 10, 15…), nondeterministic behavior, and malformed JSON when judge model is Qwen3-32B running on Ollama

bugSomething isn't workingSomething isn't working

Status: Open.

#477 In OpenPipe/ART;

· ansh-info opened on Dec 11, 2025

RULER + Litellm with Ollama: ollama_chat recommended, but /api/chat cannot generate required JSON schema

bugSomething isn't workingSomething isn't working

Status: Open.

#476 In OpenPipe/ART;

· ansh-info opened on Dec 11, 2025

RULER scoring + training tightly coupled to Litellm/OpenAI, cannot cleanly use ChatOllama/ChatNVIDIA as judge/inference models

bugSomething isn't workingSomething isn't working

Status: Open.

#475 In OpenPipe/ART;

· ansh-info opened on Dec 11, 2025

init_chat_model always uses ChatOpenAI, ignores args, and still calls OpenAI / hits 10-minute timeout with Ollama

bugSomething isn't workingSomething isn't working

Status: Open.

#474 In OpenPipe/ART;

· ansh-info opened on Dec 11, 2025

Context window incorrectly capped at 8192 tokens when using Ollama (token count exceeded 8192)

bugSomething isn't workingSomething isn't working

Status: Open.

#473 In OpenPipe/ART;

· ansh-info opened on Dec 11, 2025

Training hangs at 0/12 with Qwen2.5-14B + Unsloth/vLLM (KV cache reported as 0.0 GB despite free VRAM)

bugSomething isn't workingSomething isn't working

Status: Open.

#472 In OpenPipe/ART;

· ansh-info opened on Dec 11, 2025

Training hangs after a few steps

bugSomething isn't workingSomething isn't working

Status: Open.

#469 In OpenPipe/ART;

· melanibe opened on Dec 8, 2025

Training gets stuck after completing just one trajectory

bugSomething isn't workingSomething isn't working

Status: Open.

#459 In OpenPipe/ART;

· abd-hsn opened on Nov 18, 2025

[Bug] Unable to create Qwen3 MoE model

bugSomething isn't workingSomething isn't working

Status: Open.

#444 In OpenPipe/ART;

· casper-hansen opened on Oct 23, 2025

Cuda error in RULER notebook

bugSomething isn't workingSomething isn't working

Status: Open.

#436 In OpenPipe/ART;

· sr5434 opened on Oct 14, 2025

uv venv error initializing art backend on skypilot/aws

bugSomething isn't workingSomething isn't working

Status: Open.

#416 In OpenPipe/ART;

· ecatkins opened on Sep 18, 2025