1313646 - Flickering when clicking on header menu buttons on http://theswishlife.com

Status: NEW

(Core :: Layout, defect, P3)

Description

[Paul Silaghi, QA [:pauly]]

[Note]:
The issue reproduces only if the following conditions are fulfilled:
- e10s = OFF
- layout.show_previous_page = FALSE
- nglayout.initialpaint.delay = 0

[Affected versions]:
- 50b11, 51.0a2 (2016-10-27), 52.0a1 (2016-10-26)

[Affected platforms]:
- all

[Steps to reproduce]:
1. Open http://theswishlife.com/
2. Click on the header menu buttons

[Expected result]:
- Pages displayed properly

[Actual result]:
- Flickering when clicking on header menu buttons - www.screencast.com/t/wGVij7AKssNj

[Regression range]:
- since the layout.show_previous_page and nglayout.initialpaint.delay prefs were implemented

Comment 1

[Timothy Nikkel (:tnikkel)]

If you remove the content on the page and only leave the body element then the page was a black background color. We usually create the presshell (and hence the new page is available for painting) when we get the body element. That's likely explains what we are seeing here.

Comment 2

[Julien Cristau [:jcristau] (back April 22)]

Mass wontfix for bugs affecting firefox 52.