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[Bug] FlashInfer sampling.lock contention with PP + CP: multiple ranks block on shared cache lock on first request

Status: Open.

#19583 In sgl-project/sglang;

· whybeyoung opened on Feb 28, 2026

[Bug] CLOSE_WAIT

Status: Open.

#19576 In sgl-project/sglang;

· duzeyan opened on Feb 28, 2026

[Bug] [CPU][AMX] error: ‘class at::vec::CPU_CAPABILITY::Vectorized<float>’ has no member named ‘fexp_u20’; did you mean ‘exp_u20’?

Status: Open.

#19574 In sgl-project/sglang;

· nohalloween opened on Feb 28, 2026

[Bug] DeepSeek v3.2 TBO RuntimeError: seqlens_k must have shape (batch_size)

Status: Open.

#19553 In sgl-project/sglang;

· lidoo233 opened on Feb 28, 2026

[Bug] DeepGEMM sm100_fp8_mqa_logits kernel fails to compile for models with < 52 attention heads on Blackwell GPUs

Status: Open.

#19529 In sgl-project/sglang;

· nvelingker opened on Feb 28, 2026

[Question] <code>clip_preprocess_text</code> seems to do nothing

Status: Open.

#19525 In sgl-project/sglang;

· zhaochenyang20 opened on Feb 27, 2026

[RFC] [Diffusion] SGLang Diffusion Disaggregation

Status: Open.

#19512 In sgl-project/sglang;

· FredHuang99 opened on Feb 27, 2026

[Bug] [dLLM] [Blackwell] Diffusion models (SDAR/Llada2.1 mini) Degradation on blackwell

Status: Open.

#19508 In sgl-project/sglang;

· blazingbhavneek opened on Feb 27, 2026

Question about sgl-kernel version

Status: Open.

#19501 In sgl-project/sglang;

· ICENacl opened on Feb 27, 2026

[Bug] Qwen3.5 does not work with pipeline parallelism

Status: Open.

#19500 In sgl-project/sglang;

· froststeam opened on Feb 27, 2026

[Question] SGLang Diffusion cannot enable LoRA

Status: Open.

#19494 In sgl-project/sglang;

· alao556 opened on Feb 27, 2026

[Feature] NVFP4 support for not FP4 GPUs by Marlin fallback

Status: Open.

#19491 In sgl-project/sglang;

· ciprianveg opened on Feb 27, 2026