Bug 206315 - Regression(r253213) Load hang and high CPU usage when trying to load myuhc.com
Summary: Regression(r253213) Load hang and high CPU usage when trying to load myuhc.com
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Page Loading (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Chris Dumez
URL:
Keywords: InRadar
Depends on:
Blocks: 204912
  Show dependency treegraph
 
Reported: 2020-01-15 14:09 PST by Chris Dumez
Modified: 2020-01-18 07:33 PST (History)
14 users (show)

See Also:


Attachments
Patch (13.22 KB, patch)
2020-01-15 14:17 PST, Chris Dumez
no flags Details | Formatted Diff | Diff

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Description Chris Dumez 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.
Comment 1 Chris Dumez 2020-01-15 14:09:53 PST
<rdar://problem/58139842>
Comment 2 Chris Dumez 2020-01-15 14:17:26 PST
Created attachment 387846 [details]
Patch
Comment 3 Geoffrey Garen 2020-01-15 15:02:12 PST
Comment on attachment 387846 [details]
Patch

r=me
Comment 4 WebKit Commit Bot 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>
Comment 5 WebKit Commit Bot 2020-01-15 15:55:10 PST
All reviewed patches have been landed.  Closing bug.
Comment 6 Aakash Jain 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