Bug 272037 – NEW TEST(276866@main): [ MacOS WK2 ] requestidlecallback/requestidlecallback-is-called-even-when-event-loop-is-busy.html is a flaky timeout

• Status: RESOLVED
• Resolution: FIXED
• Component: New Bugs

[Jay Stfleur]

Description:
requestidlecallback/requestidlecallback-is-called-even-when-event-loop-is-busy.html

Is a flaky timeout on Monterey+ since test was introduced. Test is more flaky on Release than Debug

Build Url:
https://build.webkit.org/#/builders/933/builds/1235

History:
https://results.webkit.org/?suite=layout-tests&test=requestidlecallback%2Frequestidlecallback-is-called-even-when-event-loop-is-busy.html&recent=fasle&platform=mac

Diff/Image Diff/Crash Log:

Diff URl:
https://build.webkit.org/results/Apple-Sonoma-Debug-WK2-Tests/276930@main%20(1235)/requestidlecallback/requestidlecallback-is-called-even-when-event-loop-is-busy-diff.txt


--- /Volumes/Data/worker/Apple-Sonoma-Debug-WK2-Tests/build/layout-test-results/requestidlecallback/requestidlecallback-is-called-even-when-event-loop-is-busy-expected.txt
+++ /Volumes/Data/worker/Apple-Sonoma-Debug-WK2-Tests/build/layout-test-results/requestidlecallback/requestidlecallback-is-called-even-when-event-loop-is-busy-actual.txt
@@ -1,3 +1,5 @@
+FAIL: Timed out waiting for notifyDone to be called
+
 This tests scheduling idle callbacks while there is a constant work in the event loop
 WebKit should eventually invoke all idle callbacks.
 
@@ -6,20 +8,5 @@
 idle3
 idle4
 idle5
-idle6
-idle7
-idle8
-idle9
-idle10
-idle11
-idle12
-idle13
-idle14
-idle15
-idle16
-idle17
-idle18
-idle19
-idle20
-PASS
-
+hello
+world

[Radar WebKit Bug Importer]

<rdar://problem/125789319>

[Jay Stfleur]

Reproducibility:
run-webkit-tests requestidlecallback/requestidlecallback-is-called-even-when-event-loop-is-busy.html --clobber-old-results --child-processes 10 --iterations 10 -f --exit-after-n-failures 1

[Ryosuke Niwa]

I can't reproduce this flakiness :(

[Ryosuke Niwa]

I think we need to delete this test if it's flaky. I don't see a way to make it more stable without making the test useless.

[Ryosuke Niwa]

Pull request: https://github.com/WebKit/WebKit/pull/26756

[EWS]

Committed 276973@main (644cbd8a4425): <https://commits.webkit.org/276973@main>

Reviewed commits have been landed. Closing PR #26756 and removing active labels.