Bug 206315

Summary: Regression(r253213) Load hang and high CPU usage when trying to load myuhc.com
Product: WebKit Reporter: Chris Dumez <cdumez>
Component: Page LoadingAssignee: Chris Dumez <cdumez>
Status: RESOLVED FIXED    
Severity: Normal CC: aakash_jain, achristensen, ap, beidson, commit-queue, dbates, esprehn+autocc, ews-watchlist, ggaren, japhet, kangil.han, webkit-bot-watchers-bugzilla, webkit-bug-importer, youennf
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=206474
Bug Depends on:    
Bug Blocks: 204912    
Attachments:
Description Flags
Patch none

Chris Dumez
Reported 2020-01-15 14:09:38 PST
Starting in r253213, we now throw when trying to do a sync XHR during unload. Unfortunately, this is confusing the script on myuhc.com and it ends up retrying the sync XHR in a tight loop.
Attachments
Patch (13.22 KB, patch)
2020-01-15 14:17 PST, Chris Dumez 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Chris Dumez
Comment 1 2020-01-15 14:09:53 PST
<rdar://problem/58139842>
Chris Dumez
Comment 2 2020-01-15 14:17:26 PST
Created attachment 387846 [details] Patch
Geoffrey Garen
Comment 3 2020-01-15 15:02:12 PST
Comment on attachment 387846 [details] Patch r=me
WebKit Commit Bot
Comment 4 2020-01-15 15:55:08 PST
Comment on attachment 387846 [details] Patch Clearing flags on attachment: 387846 Committed r254652: <https://trac.webkit.org/changeset/254652>
WebKit Commit Bot
Comment 5 2020-01-15 15:55:10 PST
All reviewed patches have been landed. Closing bug.
Aakash Jain
Comment 6 2020-01-18 07:33:46 PST
> Committed r254652: <https://trac.webkit.org/changeset/254652> This caused test failure on Windows as also indicated by EWS red-bubble (https://ews-build.webkit.org/#/builders/10/builds/3834) Tracked in https://bugs.webkit.org/show_bug.cgi?id=206474
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