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Issue 922497 link

Starred by 1 user
Status: Unconfirmed
Owner: ----
Cc:
vamshi.kommuri@chromium.org
sunn...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug



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Browser goes black intermittently on primary monitor

Reported by steve.bu...@whrsd.org, Jan 16 (6 days ago) 
UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36

Steps to reproduce the problem:
Unknown what triggers the problem. End users report the screen goes black intermittently while routinely using the internet. It doesn't occur on specific websites or content and appears to be random. An end user did note when she drags the browser to the secondary monitor the browser displays normally but returns black when dragged back. Sometimes the entire browser is black - sometimes random content on the page is black. Chrome is the only application experiencing these rendering issues.

What is the expected behavior?

What went wrong?
Screen shot attached is most recent example from this morning. I requested additional full sized screenshots to further demonstrate the issue occuring. 

Did this work before? N/A 

Chrome version: 71.0.3578.98  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: 

I understand additional information will be needed to root cause the issue. We will be enabling debug and histogram logging as outlined in https://www.chromium.org/for-testers/enable-logging . If any additional information is needed we can gather just let us know.
screenshot.jpg
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Comment 1 by steve.bu...@whrsd.org, Jan 16 (6 days ago) 

This isn't a regression or specific to newer versions - the end users have been reporting this issue for over a year. Attached are screen shots showing google sheet data not displaying (rendering as blank cells - redactions performed in red to remove personal information) and pages showing black from 2017. I requested the user provide a chrome://gpu as well as enable debug flags and send the log when the issue occurs. I'll update once received.
entirebrowser_black.JPG
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google_sheets_rendering_wrong.JPG
174 KB View Download
9.19.18.jpg
434 KB View Download

Comment 2 by steve.bu...@whrsd.org, Jan 16 (6 days ago) 

I searched and found a 'fixed' case https://bugs.chromium.org/p/chromium/issues/detail?id=836230 that outlines the 'black box' issue. I opened this case because we have and still experience this issue even on latest chrome. Not sure if same root cause or just same symptoms. Since that case is marked as fixed I opened this issue as a new case.

Comment 3 by steve.bu...@whrsd.org, Jan 16 (6 days ago) 

gpuinfo attached
chrome_gpu_info.docx
30.1 KB Download

Comment 4 by viswa.karala@chromium.org, Jan 17 (6 days ago)

Labels: Needs-Triage-M71

Comment 5 by vamshi.kommuri@chromium.org, Jan 17 (5 days ago)

Cc: sunn...@chromium.org vamshi.kommuri@chromium.org
Labels: Triaged-ET
Thanks for filing the issue!

Unable to reproduce the issue on reported chrome version 71.0.3578.98 using Windows 10 when connected to an external monitor.

From comment#2's  Issue 836230 , cc'ing @sunnyps for more inputs.
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