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fix: AccumulateGrad stream mismatch warning when using DDP with Fabric & Trainer #19255

fix: AccumulateGrad stream mismatch warning when using DDP with Fabric & Trainer

fix: AccumulateGrad stream mismatch warning when using DDP with Fabric & Trainer #19255

Triggered via pull request June 1, 2026 12:04
Status Cancelled
Total duration 2m 2s
Artifacts

ci-tests-pytorch.yml

on: pull_request
Matrix: pl-cpu
pl-cpu-guardian
1m 16s
pl-cpu-guardian
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81 errors
pl-cpu (macOS-14, lightning, 3.12.7, 2.4.1)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, lightning, 3.10, 2.1)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, pytorch, 3.12, 2.9)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, pytorch, 3.12, 2.7)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, pytorch, 3.13, 2.9)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, pytorch, 3.12, 2.7)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, pytorch, 3.12, 2.7)
The operation was canceled.
pl-cpu (macOS-14, pytorch, 2.1, oldest)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, pytorch, 2.1, oldest)
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pl-cpu (ubuntu-22.04, lightning, 3.12.7, 2.5.1)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, lightning, 3.12.7, 2.5.1)
The operation was canceled.
pl-cpu (ubuntu-22.04, pytorch, 2.1, oldest)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, pytorch, 2.1, oldest)
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pl-cpu (ubuntu-22.04, pytorch, 3.12.7, 2.6)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, pytorch, 3.12.7, 2.6)
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pl-cpu (ubuntu-22.04, pytorch, 3.13, 2.9)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, pytorch, 3.13, 2.9)
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pl-cpu (windows-2022, pytorch, 3.13, 2.8)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, pytorch, 3.13, 2.8)
The operation was canceled.
pl-cpu (ubuntu-22.04, lightning, 3.12.7, 2.4.1)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, lightning, 3.12.7, 2.4.1)
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pl-cpu (macOS-14, pytorch, 3.12, 2.10)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, pytorch, 3.12, 2.10)
The operation was canceled.
pl-cpu (windows-2022, pytorch, 2.1, oldest)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, pytorch, 2.1, oldest)
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pl-cpu (ubuntu-22.04, pytorch, 3.13, 2.8)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, pytorch, 3.13, 2.8)
The operation was canceled.
pl-cpu (ubuntu-22.04, lightning, 3.10, 2.1)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, lightning, 3.10, 2.1)
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pl-cpu (windows-2022, pytorch, 3.12.7, 2.6)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, pytorch, 3.12.7, 2.6)
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pl-cpu (ubuntu-22.04, pytorch, 3.12, 2.8)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, pytorch, 3.12, 2.8)
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pl-cpu (ubuntu-22.04, lightning, 3.11, 2.3)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, lightning, 3.11, 2.3)
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pl-cpu (ubuntu-22.04, pytorch, 3.12, 2.10)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, pytorch, 3.12, 2.10)
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pl-cpu (windows-2022, pytorch, 3.12, 2.7)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, pytorch, 3.12, 2.7)
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pl-cpu (ubuntu-22.04, lightning, 3.11, 2.2.2)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, lightning, 3.11, 2.2.2)
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pl-cpu (windows-2022, pytorch, 3.12, 2.8)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, pytorch, 3.12, 2.8)
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pl-cpu (ubuntu-22.04, pytorch, 3.12, 2.9)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, pytorch, 3.12, 2.9)
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pl-cpu (windows-2022, lightning, 3.10, 2.1)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, lightning, 3.10, 2.1)
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pl-cpu (macOS-14, lightning, 3.12.7, 2.5.1)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, lightning, 3.12.7, 2.5.1)
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pl-cpu (windows-2022, pytorch, 3.13, 2.10)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, pytorch, 3.13, 2.10)
The operation was canceled.
pl-cpu (ubuntu-22.04, pytorch, 3.13, 2.10)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (ubuntu-22.04, pytorch, 3.13, 2.10)
The operation was canceled.
pl-cpu (windows-2022, pytorch, 3.12, 2.10)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, pytorch, 3.12, 2.10)
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pl-cpu (windows-2022, lightning, 3.12.7, 2.4.1)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, lightning, 3.12.7, 2.4.1)
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pl-cpu (windows-2022, lightning, 3.12.7, 2.5.1)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, lightning, 3.12.7, 2.5.1)
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pl-cpu (macOS-14, lightning, 3.11, 2.2.2)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, lightning, 3.11, 2.2.2)
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pl-cpu (windows-2022, pytorch, 3.13, 2.9)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, pytorch, 3.13, 2.9)
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pl-cpu (macOS-14, pytorch, 3.13, 2.10)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, pytorch, 3.13, 2.10)
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pl-cpu (windows-2022, lightning, 3.11, 2.3)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, lightning, 3.11, 2.3)
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pl-cpu (windows-2022, lightning, 3.11, 2.2.2)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, lightning, 3.11, 2.2.2)
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pl-cpu (windows-2022, pytorch, 3.12, 2.9)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (windows-2022, pytorch, 3.12, 2.9)
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pl-cpu (macOS-14, pytorch, 3.12, 2.8)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, pytorch, 3.12, 2.8)
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pl-cpu (macOS-14, pytorch, 3.13, 2.8)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, pytorch, 3.13, 2.8)
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pl-cpu (macOS-14, pytorch, 3.12.7, 2.6)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, pytorch, 3.12.7, 2.6)
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pl-cpu (macOS-14, lightning, 3.11, 2.3)
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists
pl-cpu (macOS-14, lightning, 3.11, 2.3)
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pl-cpu-guardian
The action 'cancelled or skipped...' has timed out after 1 minutes.
Test PyTorch
Canceling since a higher priority waiting request for Test PyTorch-refs/pull/21746/merge-fix/ddp-accumulate-grad-stream-mismatch-warning exists