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Qwen3.5-27B SFT report error found NaN in local grad norm for bucket #0 in backward pass before data-parallel communication collective'

bugSomething isn't workingSomething isn't working

Status: Open.

#9791 In modelscope/ms-swift;

· Dbgsaoge opened on Jul 24, 2026

sft 垂域 文生文 训练中断

bugSomething isn't workingSomething isn't working

Status: Open.

#9788 In modelscope/ms-swift;

· zkailinzhang opened on Jul 22, 2026

qwen3,5 27b多机grpo训练rollout异常

questionFurther information is requestedFurther information is requested

Status: Open.

#9787 In modelscope/ms-swift;

· nicini opened on Jul 22, 2026

SFT过程中如何只保存最佳checkpoint？

questionFurther information is requestedFurther information is requested

Status: Open.

#9780 In modelscope/ms-swift;

· Harry641 opened on Jul 21, 2026

[Megatron GRPO][TP>1] c10d::allreduce_ autograd warning during every backward step

questionFurther information is requestedFurther information is requested

Status: Open.

#9778 In modelscope/ms-swift;

· tanABCC opened on Jul 21, 2026

4.3.0版本使用swift infer + vllm backend推理Kimi-k25模型报错”AttributeError: 'KimiK25VisionConfig' object has no attribute 'hidden_size'. Did you mean: 'mm_hidden_size'?“

bugSomething isn't workingSomething isn't working

Status: Open.

#9772 In modelscope/ms-swift;

· Jubileus-ryz opened on Jul 20, 2026

A800 训 DSv4-Flash OOM：CSA 无 SM80 kernel，求绕过方案

questionFurther information is requestedFurther information is requested

Status: Open.

#9769 In modelscope/ms-swift;

· Abouje opened on Jul 20, 2026

Support use_logits_to_keep with sequence parallelism for long-context SFT

Status: Open.

#9765 In modelscope/ms-swift;

· JarvisPei opened on Jul 19, 2026

qwen3.5和qwen3.6 grpo训练 wandb 奖励函数问题

bugSomething isn't workingSomething isn't working

Status: Open.

#9764 In modelscope/ms-swift;

· zkailinzhang opened on Jul 18, 2026

希望支持MonkeyOCRv2的微调

enhancementNew feature or requestNew feature or request

Status: Open.

#9755 In modelscope/ms-swift;

· WenmuZhou opened on Jul 16, 2026

Increasing the IMAGE_MAX_TOKEN_NUM does not increase the number of steps.

questionFurther information is requestedFurther information is requested

Status: Open.

#9749 In modelscope/ms-swift;

· LukasArana opened on Jul 14, 2026

Import bugs in unittests

bugSomething isn't workingSomething isn't working

Status: Open.

#9744 In modelscope/ms-swift;

· gusario opened on Jul 14, 2026