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Issue 753320 link

Starred by 3 users
Status: Assigned
Owner:
ccameron@chromium.org
Cc:
nyerramilli@chromium.org
rbasuvula@chromium.org
█ msrchandra@chromium.org
█ ranjitkan@chromium.org
dpa...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 2
Type: Bug-Regression



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Regression: Movement of the page is not smooth on chrome://settings after disabling hardware acceleration.

Reported by aiman.an...@etouch.net, Aug 8 2017 
Chrome Version: 62.0.3179.0(Official Build)b5b73b0139e1b065902ba751610210b6322c827f-refs/heads/master@{#492477} (64-bit).

OS: MAC(10.11.6, 10.12.3, 10.12.5).

Steps to Reproduce:
1. Launch chrome, go to chrome://settings/systems and disable hardware acceleration.
2. Relaunch Chrome, on chrome://settings keep on the resizing window and observe.

Actual Result: Movement of the page is not smooth on chrome://settings after disabling hardware acceleration.
Expected Result: Movement of the page should be smooth on chrome://settings after disabling hardware acceleration.

This is Regression Issue broken in M-61 and will soon update the other bisect info.

Manual Bisect Info:
Good Build: 61.0.3156.0
Bad Build: 61.0.3158.0

Note: Above issue is MAC specific.
Actual Result.mov
6.4 MB Download
Expected Result.mov
4.7 MB Download

Comment 1 by aiman.an...@etouch.net, Aug 8 2017

Components: UI>Settings
Labels: hasbisect
Owner: osh...@chromium.org
Status: Assigned (was: Unconfirmed)
Narrow Bisect:
https://chromium.googlesource.com/chromium/src/+log/0d3fcecd4c8fbdbd883fee42ca5099d8e69af95a..d72f2eac28ff9bd62a312ef7efebb511fab56277?pretty=fuller&n=10000

Suspecting: r486817?

@oshima: Kindly help to re-assign if your change is not the cause for this issue.

Comment 2 by osh...@chromium.org, Aug 16 2017

Labels: Needs-Bisect
Owner: ----
Status: Available (was: Assigned)
My CL is chromeos specific, and not used by mac.
I did take a quick look at the blame range, but couldn't tell which might be a culprit. 

I think someone should just run bisect.

Comment 3 Deleted

Comment 4 by aiman.an...@etouch.net, Aug 17 2017 

Note: Retested the above issue on latest canary 62.0.3188.0 on Mac OS and issue is very inconsistent. 

Change Log URL: https://chromium.googlesource.com/chromium/src/+log/61.0.3156.0..61.0.3158.0?pretty=fuller&n=10000

Providing manual bisect range:
Good Build: 61.0.3156.0(486206)
Bad Build: 61.0.3158.0(486952)
Result.mov
5.3 MB Download

Comment 5 by hdodda@chromium.org, Aug 18 2017

Labels: -Needs-Bisect

Comment 6 by aiman.an...@etouch.net, Aug 18 2017

Owner: chrishtr@chromium.org
Status: Assigned (was: Available)
Note: Unable to provide Narrow Bisect since issue is very inconsistent on chromium builds, hence providing through CL.

Change Log URL: https://chromium.googlesource.com/chromium/src/+log/61.0.3156.0..61.0.3158.0?pretty=fuller&n=10000

Suspecting: r486937 ?

@Chris Harrelson: Could you please look into this issue, if it's related to your change? if not could you please help us to reassign this issue to the right owner.

Comment 7 by chrishtr@chromium.org, Aug 23 2017

Labels: -Pri-1 Pri-2
Owner: ccameron@chromium.org
Hmm. Chris are you able to reproduce this? Is this worth fixing in your view?

Comment 8 by ccameron@chromium.org, Aug 23 2017 

I can reproduce this. The resize is choppy enough to suggest that we're just timing out every time (and perhaps weren't in the past).

Might be worth re-bisecting, cause I don't see anything suspicious in the blame list.
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