Open Bug 977856 Opened 10 years ago Updated 2 years ago

window.alert inside load event listener of a <link rel=stylesheet> element hangs UI

Categories

(Core :: Widget: Cocoa, defect)

x86_64
macOS
defect

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()

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(Reporter: heycam, Unassigned)

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Details

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(1 file)

Attached file test
STR:

1. Load the attachment.
2. Notice that you can't click the OK button of the alert, or do other interactions with Firefox's UI.  After a while -- maybe 30 seconds? -- events are processed again.
Sounds very much like bug 953435.
Component: DOM: Core & HTML → Widget: Cocoa
Depends on: 953435
Since I can't reproduce this on Linux.
Possibly not the same issue but similar. Event loop handling in Cocoa is very odd comparing to
other platforms.
Please try my "radical simplification" patch from bug 959281 (attachment 8366280 [details] [diff] [review]), and let me know if it fixes this bug.
That patch does fix the problem, Steven.
Depends on: 959281
Severity: normal → S3
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