1631352 - Firefox main window became all transparent after opening youtube and lost all tabs after closing Firefox, all sync tab data disappeared

Status: RESOLVED WORKSFORME

(Core :: Graphics: WebRender, defect, P3)

Description

[monteiro]

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0

Steps to reproduce:

Enabled webrender, opened YouTube, played videos.

Actual results:

Firefox window became transparent, second time it happened, but first time I lost all tabs after closing Firefox and opening to fix the render and sync data somehow didn't have a backup of the tabs from this PC (I checked on phone and could see the the backup of the tabs but them it all disappeared).

Expected results:

Correct rendering and tabs should have not been deleted.

Comment 1

[monteiro]

Attachment: firefox1.jpg

First stage of the bad rendering.

Comment 2

[monteiro]

Attachment: firefox2.jpg

Second stage of the bad rendering.

Comment 3

[monteiro]

Attachment: about:support

Comment 4

[Darkspirit]

Thanks for filing this bug!
Comment 1 can also be caused by suspend and resume, so it might be related. My old picture caching bug (bug 1565809) was fixed in Firefox 74.

Comment 5

[monteiro]

I do use suspend and resume but this didn't happened right after resume. When I suspend and resume and am on a different working space, if I open activities on gnome shell I can see on the right the Firefox workspace with a white render of the content but when I switch to it it fixes the problem.

Comment 6

[Firefox Bug Husbandry Bot]

Because this bug's Severity has not been changed from the default since it was filed, and it's Priority is P3 (Backlog,) indicating it has been triaged, the bug's Severity is being updated to S3 (normal.)