---
id: pr-sglang-15306
repo: sgl-project/sglang
pr: 15306
title: Fix warp illegal instruction in kimi k2 thinking PCG
author: BBuf
date: '2025-12-18'
url: https://github.com/sgl-project/sglang/pull/15306
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 56d12b4aea9a8d44609f013a11d837baf6bc7218
inclusion_reason: kernel file changes
changed_paths:
- sgl-kernel/csrc/moe/kimi_k2_moe_fused_gate.cu
head_ref_oid: 4be3b5276a844c66645a832be9faff336016a38e
artifact_dir: evidence/pull-bundles/sglang/gh-15306
---
# Fix warp illegal instruction in kimi k2 thinking PCG

- Repository: `sgl-project/sglang`
- PR: [15306](https://github.com/sgl-project/sglang/pull/15306)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `sgl-kernel/csrc/moe/kimi_k2_moe_fused_gate.cu`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-15306`
