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NO_NAVSTART in api tests and smoke tests #15382

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adamraine opened this issue Aug 15, 2023 · 2 comments
Open

NO_NAVSTART in api tests and smoke tests #15382

adamraine opened this issue Aug 15, 2023 · 2 comments
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@adamraine
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bug P2 test backlog disabled or needed tests

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@adamraine
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adamraine commented Aug 15, 2023 •
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Retries added to unblock CI: #15378

Example failure: https://github.com/GoogleChrome/lighthouse/actions/runs/5871078774/job/15919549134?pr=15378

Example failure trace: https://trace.cafe/t/K4uwDnVkKA

  • Entire main thread track is missing for some reason.
  • Navigation tests fail with NO_NAVSTART on a bunch of audits
  • Timespan tests fail because the INP event is missing, making the INP audits N/A

NO_NAVSTART also appears on smoke tests: https://github.com/GoogleChrome/lighthouse/actions/runs/5894225760/job/15987413301?pr=15353
@adamraine adamraine added bug P2 test backlog disabled or needed tests labels Aug 15, 2023
@adamraine adamraine self-assigned this Aug 15, 2023
@adamraine adamraine mentioned this issue Aug 15, 2023
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@adamraine adamraine mentioned this issue Oct 20, 2023
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@adamraine adamraine changed the title User flow API tests are flaky Oct 20, 2023
@adamraine
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I managed to repro on Linux but this is pretty flaky. I ran the following script using while node trace.js; do :; done;

https://gist.github.com/adamraine/b29f483fb7ce4115a9dd22779c6699f6

The gist uses our oopif-requests.html page. Seems like OOPIFs or maybe just iframes in general are an important part of the repro.

The Chrome err log is also included in that gist.
@bbrzoska
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bbrzoska commented Apr 11, 2024 •
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We're seeing the same issue after upgrading to Lighthouse 11 from 9.
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Labels
bug P2 test backlog disabled or needed tests
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@adamraine @bbrzoska and others