Bug 195162

Summary:	Flaky API Tests TestWTF.WTF_Condition
Product:	WebKit	Reporter:	Aakash Jain <aakash_jain>
Component:	Tools / Tests	Assignee:	Nobody <webkit-unassigned>
Status:	NEW
Severity:	Normal	CC:	aakash_jain, ap, fpizlo, lforschler, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	Other
Hardware:	Unspecified
OS:	Unspecified

Aakash Jain

Reported 2019-02-28 06:09:20 PST

Many TestWTF.WTF_Condition tests seems flaky. They seems to fail randomly. For e.g.: In https://ews-build.webkit-uat.org/#/builders/19/builds/1323 these tests failed in run-api-test and re-run-api-tests steps, however the patch has nothing to do with WTF. TestWTF.WTF_Condition.TenProducersOneConsumerOneSlot TestWTF.WTF_Condition.TenProducersOneConsumerHundredSlotsNotifyOne TestWTF.WTF_Condition.TenProducersTenConsumersOneSlot TestWTF.WTF_Condition.OneProducerTenConsumersHundredSlotsNotifyOne Similar thing happened in: https://ews-build.webkit-uat.org/#/builders/19/builds/1299 https://ews-build.webkit-uat.org/#/builders/19/builds/1291 https://ews-build.webkit-uat.org/#/builders/19/builds/1267 https://ews-build.webkit-uat.org/#/builders/19/builds/1249 https://ews-build.webkit-uat.org/#/builders/19/builds/1236 https://ews-build.webkit-uat.org/#/builders/20/builds/1046 https://ews-build.webkit-uat.org/#/builders/20/builds/1001

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Aakash Jain

Comment 1 2019-03-01 03:39:14 PST

Observation: all the above examples happened on ews153. Seems like this bot consistently reproduce this issue.

Radar WebKit Bug Importer

Comment 2 2019-05-06 13:16:06 PDT

Aakash Jain

Comment 3 2019-05-07 13:05:23 PDT

Haven't noticed this flakiness for a while. It's possible that there was some issue with ews153 making it very slow and causing test to time out.

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