Tasks fail to get scheduled though updated as `In Progress`

This issue has been tracked since 2022-11-23.

The list of builds in the status page for that task is all green, but the column on the dashboard has had the same 5 or 6 gray boxes (and 1 yellow) since last night with no progress. (In that same amount of time, the entire grid of tasks back-filled except for this one column). It looks like the scheduling of these tasks stalled at some point...

https://ci.chromium.org/p/flutter/builders/prod/Linux_build_test%20flutter_gallery__transition_perf

keyonghan wrote this answer on 2022-11-23

Seems tasks are updated as In Process though they failed to get scheduled to run. Sounds an issue when scheduling targets. Updated the title to reflect the real issue.

With In Progress in the column, top recent grey ones will not be picked up by back filler (which back fills targets only when no In Progress entries exist). To unblock, manually updated the In Progress task to New.

For context: this is not a blocking issue in long term. The back filler checks recent 20 runs and it will start back filling grey boxes when the In Progress box falls out of the range. At the same time, the scheduler also forces a schedule every 6 commits even though there is an earlier In Progress box.

flar wrote this answer on 2022-11-24

@keyonghan to be clear, the entry in the most recent row was gray the entire night and was still gray in the morning about 10-11 hours later. It's not just the back fill that was missing, it didn't even complete the testing on the most recent commit.

More Details About Repo
Owner Name flutter
Repo Name flutter
Full Name flutter/flutter
Language Dart
Created Date 2015-03-06
Updated Date 2022-12-07
Star Count 147031
Watcher Count 3560
Fork Count 23915
Issue Count 11300

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