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Issue 663254 link

Starred by 1 user
Status: WontFix
Owner:
schenney@chromium.org
Closed: Dec 2016
Cc:
nyerramilli@chromium.org
█ tkonch...@chromium.org
█ msrchandra@chromium.org
vmp...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug-Regression



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Regression:Unnecessary black border line is seen after scrolling the horizontal scroll bar.

Reported by vku...@etouch.net, Nov 8 2016 
Chrome Version:56.0.2912.0 Revision 817f8b49ade74a199d0c83d11a7befb89e1a0ba5-refs/heads/master@{#430205}(32/64 bit)
OS:Windows(7,8,10)

What steps will reproduce the problem?
(1)Launch chrome and navigate to https://29a.ch/2010/10/23/html5-water-ripples-demo
(2)Scroll the horizontal scroll bar under 'how it works' section towards extreme right and observe.

Actual: Unnecessary black border line is seen after scrolling the horizontal scroll bar.

Expected: No such black border line should be seen after scrolling the horizontal scroll bar.

This is a regression issue broken in 'M56' and below is the manual regression range.
Good build:  56.0.2891.0
Bad build:   56.0.2894.0

Note: Issue not seen on Mac & Linux OS.
Actual.png
292 KB View Download
Expected.png
293 KB View Download

Comment 1 by msrchandra@chromium.org, Nov 8 2016

Labels: hasbisect-per-revision ReleaseBlock-Stable
Owner: schenney@chromium.org
Status: Assigned (was: Unconfirmed)
Using the per-revision bisect providing the bisect results,
Good build: 56.0.2891.0 (Revision: 425529).
Bad build: 56.0.2894.0 (Revision: 425838).

You are probably looking for a change made after 425726 (known good), but no later than 425727 (first known bad).
CHANGELOG URL:
The script might not always return single CL as suspectas some perf builds might get missing due to failure.
 https://chromium.googlesource.com/chromium/src/+log/cc1a632036d1cdb215e9e55996006a904b1bf6eb..6c715c7a413e006594b26a2b59783d2d9d01f311

Adding RB label as this is a recent Regression. Please remove if not required.

@schenney -- Could you please look into the issue, pardon me if it has nothing to do with your changes and if possible please assign it to concern owner.
Thank You.

Comment 2 by schenney@chromium.org, Nov 8 2016 

I could not repro in 56.0.2913.0 Canary, although I could repro in the previous Canary (i.e. 2912 as reported).

I'm not aware of anything that landed yesterday to change the behavior, but I think we wait for the next Canary and the next to see if the fix persists.

Comment 3 by tkonch...@chromium.org, Nov 9 2016 

Able to reproduce the issue on win10 chrome canary version 56.0.2913.0 and tot 56.0.2914.0 - black border line is seen after scrolling the horizontal scroll bar.

schenney@, Could you please take a look

Comment 4 by ajha@chromium.org, Nov 15 2016 

schenney@: Could you please take a look at this. Issue is still reproducible on the latest canary(56.0.2919.0) on Windows-10.

Comment 5 by schenney@chromium.org, Nov 15 2016

Components: -Internals>GPU>Canvas2D Blink>Paint
It's on my agenda.

Comment 6 by tkonch...@chromium.org, Nov 23 2016

Cc: tkonch...@chromium.org
Issue still seen on win10 chrome version 57.0.2929.0

 schenney@, Can we get an update on this please

Comment 7 by hdodda@chromium.org, Nov 30 2016

Labels: Needs-Feedback
Tested on windows 10 using chrome canary M57 #57.0.2936.1 and issue is not reproduced.

Seems issue got fixed in latest canary .

@vkupte -- Could you please re-check the issue in latest canary and update the thread.

Thanks!

Comment 8 by wkorman@chromium.org, Dec 1 2016 

Broken on Win7 57.0.2928.0 (Official Build) canary (64-bit). Potentially same as/related to  http://crbug.com/664904  which also repros with this build.

Fixed on Win7 57.0.2938.0 canary (64-bit), which also fixes  http://crbug.com/664904 .

Comment 9 by schenney@chromium.org, Dec 8 2016

Labels: -Needs-Feedback -ReleaseBlock-Stable
Status: WontFix (was: Assigned)
Still fixed on all versions we can test, including tip of trunk. So marking WontFix.
►

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