Open
Bug 641691
Opened 13 years ago
Updated 2 years ago
Firefox draws later than expected
Categories
(Firefox :: General, defect)
Tracking
()
NEW
People
(Reporter: taras.mozilla, Unassigned)
Details
If one sets about:startup from https://addons.mozilla.org/en-US/firefox/addon/about-startup/ as homepage and starts firefox. firstPaint and sessionRestored not showing. Pressing reload shows them. This is a symptom of Firefox showing UI way too late. In this case the page starts loading before anything is shown. A more concrete example is delayedStartup() http://mxr.mozilla.org/mozilla-central/source/browser/base/content/browser.js#1455 code running before UI is painted. In this case code believes that it's delaying execution in order to show UI sooner, but in reality it runs 100-200ms before UI is drawn on my i7 windows laptop.
Comment 1•13 years ago
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(In reply to comment #0) > If one sets about:startup from > https://addons.mozilla.org/en-US/firefox/addon/about-startup/ as homepage and > starts firefox. firstPaint and sessionRestored not showing. Pressing reload > shows them. Note that newest versions of the add-on don't exhibit this behaviour because it waits for firstPaint and sessionRestored to have a value before displaying anything. You need to take earlier versions to see the problem.
Updated•2 years ago
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Severity: normal → S3
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Description
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