691729 - Electrolysis is blocking Tab Animation

Status: RESOLVED WORKSFORME

(Core :: Graphics, defect)

Description

[Vlad [QA]]

Mozilla/5.0 (Windows NT 6.1; rv:8.0) Gecko/20100101 Firefox/8.0 beta 1
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:8.0) Gecko/20100101 Firefox/8.0 beta 1

Electrolysis is blocking Tab Animation. All the tabs are having an abnormal behavior, after a while they turn black or disappear all together , eventually Firefox freezes.

STR:
1. Open Firefox 8.0 beta 1
2. Go to about:config
3. Add new Boolean: " browser.tabs.remote=true"
4. Restart Firefox

Actual results:
The tabs are starting to behave abnormally.

Expected results:
The tabs should behave normally.

Comment 1

[u279076]

Thanks Vlad. Adding qa+ since e10s will be getting more and more focus and is on the Q4 Platform goals.

Comment 2

[Vlad [QA]]

Attachment: Clip1

On this video you can notice the behavior on a clean profile after reproducing the steps from the description.

Comment 3

[Vlad [QA]]

Attachment: Clip2

On this clip you can notice the behavior of the tabs after the PC recovers from sleep mode. As you can see, the tabs are behaving much worse than in clip1.

Comment 4

[Silex]

Confirmed here too on Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:48.0) Gecko/20100101 Firefox/48.0
i may had that UI don't go on the good tab when you have a lot of them and using the down arrow to choose one

Comment 5

[Gregory Pappas [:gregp]]

Unable to reproduce in recent versions. If any commenters are still experiencing this, please file new bugs.