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Issue 616084 link

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Issue metadata

Status: WontFix
Owner:
Closed: Jul 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug-Regression



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Regression: Weird traces is observed on scrolling the page in "play.google.com"

Reported by adha...@etouch.net, May 31 2016

Issue description

Chrome Version:52.0.2743.19 Revision b25ac237c4e0eee088839ade87facf7b04ee3a16-refs/branch-heads/2743@{#129}
OS:Windows(7,8,10)

URL: https://play.google.com/store/books

What steps will reproduce the problem?

(1)Launch chrome,Navigate to above URl.
(2)Scroll the page up/down and observe.

Actual: Weird traces is observed on scrolling the page.
Expected:Weird traces should not be observed on scrolling the page.

This is a regression issue broken in M-52.

Manual Regression range:
Good Build:52.0.2730.0
Bad Build:52.0.2733.0

Narrow Bisect:  
https://chromium.googlesource.com/chromium/src/+log/344cbb8e333de10772422db6d0e60b14ea34ae98..1e7d66ca32345881ae135af6ed712d3571f9b9e9?pretty=fuller&n=1000

Suspecting: r392850?

Note:Issue is not seen on Mac and Linux OS.
      
Please help me to reassign this issue,if your change is not cause for it.
 
Actual_Result.mp4
2.3 MB Download
Expected_Result.mp4
1.8 MB Download
Components: -Blink>Layout Blink>Paint>Invalidation
Owner: chrishtr@chromium.org
The bisect appears incorrect. I think the real cause is partial raster.
It's an incomplete invalidation when the fixed-position header loses its backing.

Either we are failing to invalidate, or the invalidation doesn't include the
shadow. I would guess the latter.

Next step is to reduce.

Comment 4 by shey...@google.com, Jun 1 2016

api test
Project Member

Comment 5 by sheriffbot@chromium.org, Jun 1 2016

Labels: -M-52 M-53 MovedFrom-52
Moving this nonessential bug to the next milestone.

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

Comment 6 by sheriffbot@chromium.org, Jul 7 2016

Labels: -M-53 -Pri-1 M-54 MovedFrom-53 Pri-2
This issue is Pri-1 but has already been moved once. Lowering the priority and moving to the next milestone.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Status: WontFix (was: Assigned)
I can no longer reproduce this bug. Closing.

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