分布式训练报错

[zyegao]

问题确认 Search before asking

• [X] 我已经查询历史issue(包括open与closed)，没有发现相似的bug。I have searched the open and closed issues and found no similar bug report.

Bug描述 Describe the Bug

通过文档中说的分布式方法，在AI Studio项目中运行报错 运行 export CUDA_VISIBLE_DEVICES=0,1,2,3 # 设置4张可用的卡 python -m paddle.distributed.launch tools/train.py \ --config configs/quick_start/pp_liteseg_optic_disc_512x512_1k.yml \ --do_eval \ --use_vdl \ --save_interval 500 \ --save_dir output

后报错

复现环境 Environment

paddleseg : 2.8

Bug描述确认 Bug description confirmation

• [X] 我确认已经提供了Bug复现步骤、代码改动说明、以及环境信息，确认问题是可以复现的。I confirm that the bug replication steps, code change instructions, and environment information have been provided, and the problem can be reproduced.

是否愿意提交PR？ Are you willing to submit a PR?

• [x] 我愿意提交PR！I'd like to help by submitting a PR!

[Asthestarsfalll]

可以给paddle仓库提issue看看

[shiyutang]

看上去属于环境问题。