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Issue metadata

Status: WontFix
Owner: ----
Closed: Nov 2017
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 1
Type: Compat



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Screen flickering after resume from sleep

Reported by kenny.st...@gmail.com, Jul 16 2017

Issue description

UserAgent: Mozilla/5.0 (X11; CrOS x86_64 9745.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3157.3 Safari/537.36
Platform: 9745.0.0 (Official Build) canary-channel kip

Example URL:
https://www.facebook.com/events/856665204481379/

Steps to reproduce the problem:
1. Load up the event page in question
2. Flip to the Facebook news feed
3. Go back to the event again

What is the expected behavior?
Facebook should still look good without any ugly flickering or random color changes

What went wrong?
See attached screenshots ― don't know if it's GPU or what, but it causes everything from a whitening of the top bar to flickering of the page and everything in between.

Does it occur on multiple sites: N/A

Is it a problem with a plugin? No 

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 61.0.3157.3  Channel: canary
OS Version: 9745.0.0
Flash Version: Shockwave Flash 26.0 r0

Thank God for the canary builds ― better that I experience this nuisance than someone else who may not know what to do should it happen.
 
Screenshot 2017-07-15 at 21.03.25.png
444 KB View Download
Screenshot 2017-07-15 at 21.07.22.png
493 KB View Download
Update: Twitter is also affected.
Update 2: Seems to only be a problem after resume from sleep. Today's update [Chrome 61.0.3160.0; Platform 9759.0.0 (Official Build) canary-channel kip] did not fix this problem.
Components: OS>Kernel>Display
Summary: Screen flickering after resume from sleep (was: Facebook: numerous ugly rendering problems)
Workaround: enable chrome://flags/#enable-fullscreen-app-list

In the latest few updates, that launcher has assumed a strange tendency to sporadically override the old one on resume from sleep, which still wants to show itself ― the conflict between those two launchers trying to run at the same time could be the culprit.

Comment 5 Deleted

This bug's progression follows this pattern:

Initial startup: old, mid-screen launcher
First resume from sleep: full-screen launcher
Second resume from sleep: flickering mess

As stated above, enabling chrome://flags/#enable-fullscreen-app-list is a workaround, which means that a fix would entail enabling it by default.
Components: -OS>Kernel>Display
Components: UI>Shell
Components: -UI>Shell Platform>Apps>AppLauncher
Labels: -Pri-2 Pri-1
Status: WontFix (was: Unconfirmed)
The bug is pretty old, and we couldn't repro it.
I'm closing it; if this still happens with newer CrOS versions, please reopen.

Thanks for reporting!

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