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Issue 817289 link

Starred by 1 user
Status: WontFix
Owner:
jiameng@chromium.org
Closed: Mar 2018
Cc:
█ manoranj...@chromium.org
nyerramilli@chromium.org
rbasuvula@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 1
Type: Bug-Regression



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Regression : 'Element' section in devtools appears blank after closing audit overlay

Reported by rp...@etouch.net, Feb 28 2018 
Version: 66.0.3357.0 (Official Build) Revision837639b937d3d1a084c246258ad1f460e4f0f68e-refs/heads/master@{#539659}(32/64-bit)
OS: Windows (7,8,8.1,10),Linux (14.04 LTS),Mac OS X(10.12.6,10.13.1,10.13.4)

What steps will reproduce the problem?
1. Launch chrome,navigate to NTP and open devtools
2. Now go to 'Audit' section and click on run audit button and then click on close 'X' button to close audit overlay
3. Now go to 'Element' section and observe
 
Actual: 'Element' section in devtools appears blank after closing audit overlay
Expected: 'Element' section in devtools shouldn't appear blank after closing audit overlay

This is regression issue, broken in ‘M 66’ and will soon update other info :
Good build: 66.0.3356.0 (Revision: 539381).
Bad build: 66.0.3357.0 (Revision: 539659).
Actual_video.mov
1.4 MB View Download
Expected_video.mov
1.8 MB View Download

Comment 1 by rp...@etouch.net, Feb 28 2018

Labels: hasbisect-per-revision RegressedIn-66 FoundIn-66 Target-66
Owner: jiameng@chromium.org
Status: Assigned (was: Unconfirmed)
You are probably looking for a change made after 539556 (known good), but no later than 539557 (first known bad).

CHANGELOG URL:

The script might not always return single CL as suspect as some perf builds might get missing due to failure.

https://chromium.googlesource.com/chromium/src/+log/5f13a500585f66b2f54d2928771810ac172a4e61..602ee1a64fbad92a407b3b9cc648b22f2dd6665a

Suspect : https://chromium.googlesource.com/chromium/src/+/602ee1a64fbad92a407b3b9cc648b22f2dd6665a

From the CL above, assigning the issue to the concern owner 

@jiameng- Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.


Thanks!

Comment 2 by jiameng@chromium.org, Feb 28 2018 

Hi, I don't think my cl caused the regression because it doesn't touch on the UI front and have no user-visible effect. 

Also, the code in my cl is only meant to work on a chromebook and does nothing on other os or devices. But I see you saw the regression on windows and mac?  

I'm afraid I'm not familiar with the dev tool.

Thanks

Comment 3 by rbasuvula@chromium.org, Feb 28 2018

Cc: manoranj...@chromium.org
Labels: ReleaseBlock-Stable Needs-Bisect
Adding release blocker label for this issue.Please reduce priority or remove if not the case.

Thank You!

Comment 4 by jiameng@chromium.org, Feb 28 2018 

Can you please remove me as the owner?
Thanks

Comment 5 by rp...@etouch.net, Mar 1 2018 

Update :
Rechecked this issue on Windows (7,8,8.1,10),Linux (14.04 LTS) and Mac OS X(10.12.6,10.13.1,10.13.4) machines using latest Canary Chrome version 66.0.3357.0 (Official Build) after fresh installation of Chrome with the steps mentioned in description and the issue is no longer reproduced. 

Kindly refer the attached screen cast for same.

Thank you.
Actual_video.mov
2.3 MB View Download

Comment 6 by rbasuvula@chromium.org, Mar 1 2018

Status: WontFix (was: Assigned)
Thanks for the update! Marking it as Wont Fix since issue not reproduce on reported version as per comment#5 provided by reporter.Feel free to raise a new issue if still facing.

Thanks you!
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