https://bugs.kde.org/show_bug.cgi?id=387313
--- Comment #41 from Vlad Zagorodniy ---
Created attachment 117441
--> https://bugs.kde.org/attachment.cgi?id=117441&action=edit
eye-candy flickering
Some further investigation... Apparently, sometimes we don't draw windows atop
subsurfaces.
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--- Comment #40 from Vlad Zagorodniy ---
> not properly rendering subsurfaces.
In question. It's still not clear why the flickering occurs.
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--- Comment #39 from Vlad Zagorodniy ---
I did some investigation... It looks like this bug is caused by us not properly
rendering subsurfaces.
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--- Comment #38 from Vlad Zagorodniy ---
One potential way to work around the bug:
* Disable buffer age: KWIN_USE_BUFFER_AGE=0 startplasmacompositor
* Select "Full screen repaints" in System Settings > Display and Monitor >
Compositor > Tear prevention
https://bugs.kde.org/show_bug.cgi?id=387313
Vlad Zagorodniy changed:
What|Removed |Added
Status|REOPENED|CONFIRMED
Version|5.11.3
https://bugs.kde.org/show_bug.cgi?id=387313
--- Comment #37 from Shmerl ---
Just tested it with Plasma 5.14.3 since it's now available in Debian. The issue
is a bit less severe, but still plagues Kmail.
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Lemmiwinks changed:
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CC||andylem...@googlemail.com
--- Comment #36 from Lem
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--- Comment #35 from tro...@free.fr ---
For the person who asked, it still occurs on Plasma 5.14.3.
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Nate Graham changed:
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CC||n...@kde.org
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--- Comment #34 from Patrick Silva ---
Created attachment 115956
--> https://bugs.kde.org/attachment.cgi?id=115956&action=edit
plasma 5.14.2, Arch Linux
Screencast showing Arch Linux running plasma 5.14.2, frameworks 5.51.
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--- Comment #33 from Shmerl ---
(In reply to Patrick Silva from comment #29)
> in plasma 5.14 beta (Arch) I can reproduce the same flickering in window
> decoration kcm. Click "get new decoration" button, drag the window... enjoy
> flickering.
Did anyo
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Shmerl changed:
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CC||shm...@mykolab.com
--- Comment #32 from Shmerl ---
I'
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--- Comment #31 from tro...@free.fr ---
The bug started again on my side, too. When I open a window inside Kmail
(mostly "Compose new message"), I get insane flickering and graphics
corruption. Setting the windows fullscreen seem to fix it though.
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--- Comment #30 from k...@palkeo.com ---
I also have the same problem with kmail, random flickering and it's nearly
always the case when I open a new window inside kmail (file selector, email
compositor...).
I'm using an intel integrated gpu. Happy to he
https://bugs.kde.org/show_bug.cgi?id=387313
--- Comment #29 from Dr. Chapatin ---
in plasma 5.14 beta (Arch) I can reproduce the same flickering in window
decoration kcm. Click "get new decoration" button, drag the window... enjoy
flickering.
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k...@palkeo.com changed:
What|Removed |Added
CC||k...@palkeo.com
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--- Comment #28 from Rainer Finke ---
The only change that happened with KDE Applications 18.04 was that Kmail
enforces the xcb backend. And by this it tricked me still believing it would
run on Wayland as it did before. Sorry to bother you, but I didn'
https://bugs.kde.org/show_bug.cgi?id=387313
--- Comment #27 from Rainer Finke ---
The Mesa downgrade didn't change anything. So yes, somehow the symptoms are
gone in the case of Kmail. Don't know if it is related, but in another scenario
I can still reproduce a flickering in systemsettings
https:
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--- Comment #26 from Rainer Finke ---
I did my test on 3 systems now, 1 Intel and 2 AMD GPU's. I run Linux 4.16.3,
Mesa 18.0.1, Qt 5.10.1, Plasma 5.12.4, KDE Frameworks 5.45 and KDE Applications
18.04. Looking at the update log, Mesa was updated from 1
https://bugs.kde.org/show_bug.cgi?id=387313
Martin Flöser changed:
What|Removed |Added
Ever confirmed|0 |1
Status|RESOLVED
https://bugs.kde.org/show_bug.cgi?id=387313
Rainer Finke changed:
What|Removed |Added
Resolution|--- |FIXED
Status|UNCONFIRMED
https://bugs.kde.org/show_bug.cgi?id=387313
--- Comment #23 from tro...@free.fr ---
I'm on Applications 18.04 and I don't seem to be affected by this bug anymore,
either.
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--- Comment #22 from Rainer Finke ---
With KDE Applications 18.04 I don't see the flickering in Kmail anymore, at
least on my Intel notebook. Will test on my AMD machine and report if it works
well.
Linux 4.16, Plasma 5.12.4, KDE Frameworks 5.45
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adikur...@gmail.com changed:
What|Removed |Added
CC||adikur...@gmail.com
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--- Comment #21 from Martin Flöser ---
Adding some investigation results:
* the observed flickering is "just" buffer age
* on a multi-screen setup the issue can only be reproduced on the first screen
(which has buffer age enabled)
* the flickering fr
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Martin Flöser changed:
What|Removed |Added
CC||mar...@harrisonland.co.uk
--- Comment #20 from
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--- Comment #19 from Rainer Finke ---
@tro...@free.fr: Both bug reports are not related to this one from my point of
view. I'm a normal Arch Linux user as well and minimizing Kmail works for me
with Plasma 5.11 and 5.12 beta. I either close Kmail or I
https://bugs.kde.org/show_bug.cgi?id=387313
--- Comment #18 from tro...@free.fr ---
About minimizing Kmail : https://bugs.kde.org/show_bug.cgi?id=389143
And : https://bugs.kde.org/show_bug.cgi?id=387405
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--- Comment #17 from Rainer Finke ---
As this is just a flickering, for me it is not critical and can wait after the
Plasma 5.12 release. And I can work around the flickering by minimizing Kmail
when not required or changing the size of the systemsettin
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Dr. Chapatin changed:
What|Removed |Added
CC||bugsefor...@gmx.com
--- Comment #16 from Dr. Cha
https://bugs.kde.org/show_bug.cgi?id=387313
--- Comment #15 from Martin Flöser ---
I'm pretty sure I see the same. And I fear I won't have the time to fix it
before 5.12 final release. But at least I have a very good idea of what goes
wrong.
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--- Comment #14 from Rainer Finke ---
The update to Plasma 5.12 beta didn't help either, flickering is still there on
a Intel and AMD GPU. Do you see the same graphical glitches or do you need any
futher information?
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--- Comment #13 from Rainer Finke ---
I did some fast testing with kwin-git on Arch Linux and KDE Frameworks 5.42.
First, I didn't compile any other packages, so I might have missed another
required change, if yes please let me know.
I still get the fli
https://bugs.kde.org/show_bug.cgi?id=387313
--- Comment #12 from Martin Flöser ---
I got some findings based on comment #9. Instead of using konsole I tried with
kwrite and observed the same flickering if kwrite is started with platform
wayland, but no flickering if started with platform xcb.
Th
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Jan Grulich changed:
What|Removed |Added
CC||jgrul...@redhat.com
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Martin Flöser changed:
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CC||northivanas...@gmail.com
--- Comment #11 from M
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Michael D changed:
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CC||nortex...@gmail.com
--- Comment #10 from Michael D
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Christoph Feck changed:
What|Removed |Added
CC||cf...@kde.org
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Rainer Finke changed:
What|Removed |Added
Summary|Flickering on Wayland with |Flickering on Wayland with
|Km
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