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Issue metadata

Status: Duplicate
Merged: issue 849682
Owner: ----
Closed: Jun 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Regression



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[Wayland] A window being moved with the mouse gets temporarily corrupted

Reported by real...@gmail.com, Jun 5 2018

Issue description

UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.62 Safari/537.36

Steps to reproduce the problem:
1. Use GNOME with Wayland
2. Drag a Chromium/Chrome window around the screen
3. 

What is the expected behavior?
The window should move around the screen without its appearance changing.

What went wrong?
While the window is moving its content, including the tab bar, gets offset, with garbage (mostly black, with "snow" etc) appearing at the edges. Its appearance changes about twice a second. I've attached a video of it captured with GNOME screen recorder.

The display goes back to normal when the window is stationary, even if I'm still holding the mouse button. In that case corruption resumes when I start moving it again.

Did this work before? Yes Don't know, I usually use Chromium maximised and can't remember when I last dragged one of its windows

Chrome version: 67.0.3396.62  Channel: stable
OS Version: Arch
Flash Version: 

The same version of Chrome, with a "virgin" config, is also affected. Windows from other programs display correctly while moving. That includes Firefox, which I think also still uses XWayland.

I suspect this may be related to <https://bugs.chromium.org/p/chromium/issues/detail?id=849682>.
 
Screencast from 05-06-18 16:03:00.webm
4.5 MB View Download
Labels: Needs-Bisect Needs-Triage-M67
Cc: sindhu.chelamcherla@chromium.org
Components: UI
Labels: Triaged-ET
Tested the issue on Ubuntu Wayland using reported version 67.0.3396.62 and unable to reproduce this issue. i.e; no corruption is seen on moving chrome window around the screen.

As per comment#0, this might be specific to wayland and arch linux. cc'ing tonikitoo@igalia.com and thomasanderson@ for further inputs on this issue.

Thanks!
WAYLAND.png
30.3 KB View Download

Comment 3 by real...@gmail.com, Jun 6 2018

I've run a git bisect on xwayland and I think I've tracked down the commit that started the problem. I've reported it here:

https://bugzilla.freedesktop.org/show_bug.cgi?id=106841
Cc: thomasanderson@chromium.org toniki...@igalia.com
Labels: -Needs-Bisect TE-NeedsTriageHelp
As per comment#3 bisect is provided, hence removing Needs-Bisect label. cc'ing tonikitoo@igalia.com and thomasanderson@ for further inputs on this issue.

Thanks!
Mergedinto: 849682
Status: Duplicate (was: Unconfirmed)
Hi!

I am duplicated this issue against bug #849682, since the xwayland bisect shows the sale root commit.

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