Bug 232691

Summary: REGRESSION(r284883): load event of link element is fired repeatedly on https://cmake.org/
Product: WebKit Reporter: Fujii Hironori <Hironori.Fujii>
Component: WebCore Misc.Assignee: Nobody <webkit-unassigned>
Status: RESOLVED DUPLICATE    
Severity: Normal CC: cdumez
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
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Description Fujii Hironori 2021-11-03 17:39:46 PDT
[WinCairo] high CPU usage on https://cmake.org/

1. Start Windows Task Manager
2. Start WinCairo MiniBrowser
3. Go to https://cmake.org/
4. CPU usage of WebKitWebProcess.exe is high for a while

Mac port doesn't have this problem.
Comment 1 Fujii Hironori 2021-11-03 17:40:10 PDT
Created attachment 443261 [details]
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Comment 2 Fujii Hironori 2021-11-03 18:36:44 PDT
Created attachment 443266 [details]
reduced content with log

onload is fired repeatedly.
Comment 3 Fujii Hironori 2021-11-03 19:18:27 PDT
Reverting r284883 fixes the problem.
Comment 4 Fujii Hironori 2021-11-04 00:48:24 PDT
Mac port also has this problem.
Comment 5 Fujii Hironori 2021-11-04 13:13:46 PDT
(In reply to Fujii Hironori from comment #2)
> Created attachment 443266 [details]
> reduced content with log
> 
> onload is fired repeatedly.

In this test case,
Chrome dispatches only once.
Firefox dispatches only twice.
Safari dispatches infinitely.
Comment 6 Fujii Hironori 2021-11-08 11:59:16 PST
r285417 reverted r284883. Closed.

*** This bug has been marked as a duplicate of bug 232309 ***