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Issue metadata

Status: Duplicate
Merged: issue 772574
Owner: ----
Closed: Dec 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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[Rendering] repeating tile from another part of the screen

Project Member Reported by dschuyler@chromium.org, Sep 28 2017

Issue description

Chrome Version: 61.0.3163.100 (Official Build) (64-bit)
OS: Linux

What steps will reproduce the problem?
(1) Open a Google doc
(2) Leave it open for a long time (days?)

What is the expected result? The web content area becomes a repeating tile from another part of the screen. See screen shot.

What happens instead? Doc should be seen

Please use labels and text to provide additional information.


For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.

 
Screenshot from 2017-09-28 11:37:01.png
108 KB View Download
Components: Internals>GPU
Components: -Internals>GPU Internals>GPU>Internals
Labels: -Pri-2 Pri-3
Status: Unconfirmed (was: Untriaged)
This sounds really hard to reproduce. Can you provide the contents of chrome://gpu?

Guessing it's Linux/NVIDIA.

Reducing to P3 since this probably doesn't happen that often and may be extremely hard to pin down.
Components: Internals>Compositing
+Compositing although I have no idea whether this could be a compositing issue. Please feel free to remove if it doesn't look like one.
Labels: Needs-Feedback
@2 

> ...probably doesn't happen...

I've had it happen enough that I think it's an issue, but yeah, it's not that often compared to how much I use Chrome (which is a lot).

> Can you provide the contents of chrome://gpu?

Sure, in the file attached.


gpu.html
1.8 MB View Download
Project Member

Comment 6 by sheriffbot@chromium.org, Dec 8 2017

Cc: kainino@chromium.org
Labels: -Needs-Feedback
Thank you for providing more feedback. Adding requester "kainino@chromium.org" to the cc list and removing "Needs-Feedback" label.

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

Comment 7 by danakj@chromium.org, Dec 15 2017

Cc: danakj@chromium.org piman@chromium.org
Mergedinto: 772574
Status: Duplicate (was: Unconfirmed)
From the errors in gpu.html it looks like we are failing to make a context a lot, and then failing to bind textures.

Our guess is that the renderer fails to make a context and falls back to software compositing, but the display is trying to use GL. So the mailboxes it gets are not valid, and we end up drawing a bad texture a lot.

This should be resolved in M64, and if that's not the case please reopen and ping this bug, thanks!

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