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Issue 916071 link

Starred by 1 user
Status: Assigned
Owner:
cbiesin...@chromium.org
Cc:
susan.boorgula@chromium.org
bokan@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows
Pri: 2
Type: Bug



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Scrollbar flickering with flex: 1 1 auto

Reported by pierre.f...@gmail.com, Dec 18 
UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36

Steps to reproduce the problem:
1. have a container with display: flex and flex-direction: column
2. have a child with flex: 1 1 auto
3. resize the window to set it the size of the child

What is the expected behavior?
the scrollbar should not flickering

What went wrong?
the vertical scrollbar is flickering. (visible but empty => hidden).
If y add a child with a css animation on hover, the flickering is obvious.

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 71.0.3578.98  Channel: stable
OS Version: 10.0
Flash Version: 

no problem with firefox and edge
bug flex.html
6.0 KB View Download
bug flex.gif
499 KB View Download

Comment 1 by pierre.f...@gmail.com, Dec 18 

I have the same problem with Chrome on OSX

Comment 2 by dtapu...@chromium.org, Dec 18

Components: Blink>Layout Blink>Scroll

Comment 3 by phanindra.mandapaka@chromium.org, Dec 18

Labels: Needs-Triage-M71

Comment 4 by susan.boorgula@chromium.org, Dec 19

Cc: susan.boorgula@chromium.org
Labels: Triaged-ET Needs-Feedback
pierre.fiorelli@ Thanks for the issue.

Tested this issue on Windows 10 on the reported version 71.0.3578.98 and the latest Canary 73.0.3645.0 and unable to reproduce the issue by following the below steps.

1. Launched Chrome and navigated to the given html page.
2. Resized the browser window and hovered over the play button.
3. Couldn't observe any flickering on the scrollbar.
Attached is the screen cast for reference.

Request you to check and confirm if anything is missed from our end in triaging the issue.
Also request you to retry the issue on a new chrome profile without ant flags/extensions and update the thread with the observation.

Thanks..
916071.mp4
925 KB View Download

Comment 5 by pierre.f...@gmail.com, Dec 19 

Hello suzan,

you have to resize the browser just to the limit to have the vertical scrollbar disappearing.
I've made another gif to explain it.

Thanks
bug flex 2.gif
556 KB View Download
Project Member

Comment 6 by sheriffbot@chromium.org, Dec 19

Labels: -Needs-Feedback
Thank you for providing more feedback. Adding the requester to the cc list.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Comment 7 by bokan@chromium.org, Dec 20

Cc: bokan@chromium.org
Components: -Blink>Scroll
Labels: OS-Linux
Status: Untriaged (was: Unconfirmed)
I can repro on Linux 72.0.3626.14

Looks like layout thrashing.

Comment 8 by e...@chromium.org, Dec 21

Owner: cbiesin...@chromium.org
Status: Assigned (was: Untriaged)
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