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Bug 1583539 - [wayland] visual noise in firefox when window is resized
Summary: [wayland] visual noise in firefox when window is resized
Keywords:
Status: CLOSED NEXTRELEASE
Alias: None
Product: Fedora
Classification: Fedora
Component: firefox
Version: 28
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Martin Stransky
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-05-29 08:21 UTC by Zbigniew Jędrzejewski-Szmek
Modified: 2019-05-05 12:10 UTC (History)
11 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2019-05-04 16:37:43 UTC
Type: Bug
Embargoed:

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Description Zbigniew Jędrzejewski-Szmek 2018-05-29 08:21:22 UTC 
Description of problem:
When resizing the window quickly (by dragging the corner with a mouse), I see "garbage" in the firefox window. Essentially the contents of the whole firefox window is briefly replaced by randomly reordered pixels or some other pattern. This is visible only for a fraction of a second, so it's hard to provide more details. I don't recall seeing this under Xwayland, so I seems to be ff-on-wayland-related.

It looks similar to what would happen under X a few years ago, so in a way this is return to the past ;)

Version-Release number of selected component (if applicable):
firefox-60.0.1-3.fc28.x86_64
kernel-4.16.0-0.rc7.git0.1.fc28.x86_64
00:02.0 VGA compatible controller: Intel Corporation Skylake GT2 [HD Graphics 520] (rev 07)

How reproducible:
~100% if I wiggle the mouse enough
Comment 1 Zbigniew Jędrzejewski-Szmek 2018-05-29 08:32:41 UTC 
Yep, I just restarted the same session with Xwayland, and there, no matter how much I wiggle, I don't see any corruption.

My best reproducer: open maps.google.com, press flag+up, flag+down, repeat, and the window occasionally flashed with some noisy pattern.
Comment 2 rugk 2018-11-20 16:02:53 UTC 
Also had this once, but only when (with Super+Left or Super+Right) I attached the window to the left or the right, suddenly a kind of black grid (line every 10 px or so, but not completly homogonous) appeared.

This could also be related to:
https://bugzilla.redhat.com/show_bug.cgi?id=1651715
Comment 3 Zbigniew Jędrzejewski-Szmek 2018-11-20 16:32:27 UTC 
FWIW, it happens all the time with firefox-wayland-63.0.1-5.fc29.x86_64.
Comment 4 Christian Stadelmann 2019-02-17 11:40:03 UTC 
Same issue here, even with a fresh firefox profile on firefox-wayland-65.0-4.fc29.x86_64.
Comment 5 Ben Cotton 2019-05-02 19:53:30 UTC 
This message is a reminder that Fedora 28 is nearing its end of life.
On 2019-May-28 Fedora will stop maintaining and issuing updates for
Fedora 28. It is Fedora's policy to close all bug reports from releases
that are no longer maintained. At that time this bug will be closed as
EOL if it remains open with a Fedora 'version' of '28'.

Package Maintainer: If you wish for this bug to remain open because you
plan to fix it in a currently maintained version, simply change the 'version' 
to a later Fedora version.

Thank you for reporting this issue and we are sorry that we were not 
able to fix it before Fedora 28 is end of life. If you would still like 
to see this bug fixed and are able to reproduce it against a later version 
of Fedora, you are encouraged  change the 'version' to a later Fedora 
version prior this bug is closed as described in the policy above.

Although we aim to fix as many bugs as possible during every release's 
lifetime, sometimes those efforts are overtaken by events. Often a 
more recent Fedora release includes newer upstream software that fixes 
bugs or makes them obsolete.
Comment 6 Zbigniew Jędrzejewski-Szmek 2019-05-04 16:37:43 UTC 
This particular effect is not reproducible with firefox-wayland-66.0.3-1.fc30.x86_64.
(When I toggle between fullscreen and not, sometimes the fill for the empty area is a black-and-white
checkerboard, and sometimes it's just completely white background, and there are still various jumps in
size, but the noise that was affecting the whole window is gone.)
Comment 7 Christian Stadelmann 2019-05-04 22:59:53 UTC 
(In reply to Zbigniew Jędrzejewski-Szmek from comment #6)
> This particular effect is not reproducible with
> firefox-wayland-66.0.3-1.fc30.x86_64.
> (When I toggle between fullscreen and not, sometimes the fill for the empty
> area is a black-and-white
> checkerboard, and sometimes it's just completely white background, and there
> are still various jumps in
> size, but the noise that was affecting the whole window is gone.)

Are you sure that the issue is gone? I'm still sometimes seeing it with firefox-wayland-66.0.3-1.fc29.x86_64.
Comment 8 Zbigniew Jędrzejewski-Szmek 2019-05-05 12:10:27 UTC 
Yeah, for me it is fixed.
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