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Training stuck at the first iter can't get corresponding pid #20367

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yejr0229 opened this issue Oct 28, 2024 · 0 comments
Open

Training stuck at the first iter can't get corresponding pid #20367

yejr0229 opened this issue Oct 28, 2024 · 0 comments
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bug Something isn't working needs triage Waiting to be triaged by maintainers

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@yejr0229
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yejr0229 commented Oct 28, 2024 •
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Bug description

The DDP training stuck at the 1st iter, and it's always waiting for pid:
image
os.waitpid() always return pid==0

What version are you seeing the problem on?

v1.x

How to reproduce the bug

No response

Error messages and logs

# Error messages and logs here please

Environment

torch2.1.0+cuda12.1/11.8
pytorch-lightning==1.9.0/1.9.2
H100 x8

More info

I try to set limit_train_batches=0.1, limit_val_batches=1 in Trainer() but it doesn't work.
@yejr0229 yejr0229 added bug Something isn't working needs triage Waiting to be triaged by maintainers labels Oct 28, 2024
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