[kwin] [Bug 342326] window contents freeze

[Graham Perrin]

https://bugs.kde.org/show_bug.cgi?id=342326

Graham Perrin  changed:

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 CC||grahamper...@gmail.com

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[kwin] [Bug 342326] window contents freeze

[Rickard Westman]

https://bugs.kde.org/show_bug.cgi?id=342326

Rickard Westman  changed:

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 CC||rwest...@bredband.net

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[kwin] [Bug 342326] window contents freeze

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=342326

Nate Graham  changed:

   What|Removed |Added

 CC||k...@davidedmundson.co.uk,
   ||n...@kde.org,
   ||xaver.h...@gmail.com

--- Comment #51 from Nate Graham  ---
Thanks for those references. These are old bugs, but let's see what we can do
with your report. I'll mark those older ones as duplicates of this one for now
and hand it off the the Real Devs™.

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[kwin] [Bug 342326] window contents freeze

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=342326

Nate Graham  changed:

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 CC||michae...@rocketmail.com

--- Comment #50 from Nate Graham  ---
*** Bug 425557 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 342326] window contents freeze

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=342326

Nate Graham  changed:

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 CC||mcfle...@vrplumber.com

--- Comment #49 from Nate Graham  ---
*** Bug 366651 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 342326] window contents freeze

[Jason Straight]

https://bugs.kde.org/show_bug.cgi?id=342326

Jason Straight  changed:

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 CC||j.straight-...@straights.ne
   ||t

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[kwin] [Bug 342326] window contents freeze

[Michael]

https://bugs.kde.org/show_bug.cgi?id=342326

Michael  changed:

   What|Removed |Added

 CC||kde@callthecomputerdoctor.c
   ||om

--- Comment #48 from Michael  ---
> I resolve this by opening the Compositor settings and then toggling a radio
> button off and then on again, just so that the Apply button becomes enabled
> and allows me to trigger something.  Perhaps this restarts the compositor or
> perhaps it does something less destructive, I don't know, but this has been
> the workaround I have been using several times per week for several years. 
> It takes me only 20 seconds each time, but those 20 seconds add-up and so
> does the frustration.

This might help: pressing Alt-Shift-F12 twice does what you're doing but
faster. It's the KWin shortcut for "Suspend compositing".

> Also I am using an nVidia card, and the issue occurred on two different
> cards, both brand new.  I don't know how the internals work, but I would be
> very surprised if this issue turned-out to be hardware-related.

I have a dual GPU laptop, with a Radeon iGPU and an NVidia dGPU.

I have been experiencing this exact same issue under X11 since I upgraded my
KDE neon laptop to Plasma 5.27. Never happened under 5.26, and now it's
happening almost every day. It seems to trigger after a long period of time on
its own, without any user interaction. I can be away from my computer for
awhile and come back and find that it appears to be unresponsive except for a
movable cursor; the screen is on.

Disabling the compositor with Shift+Alt+F12 is what gets my session usable
again, but the Plasma panels are non-responsive though I see that plasmashell
is still running with htop. I have to kill all the programs and reboot to get a
usable desktop again.

I've been trying to find a pattern for what causes it, and there is always at
least one program that seems to be in an unresponsive state when the compositor
stops working and needs to be forcibly killed. Correlation? I see that there
are other mentions of this issue:

https://bugs.kde.org/show_bug.cgi?id=366651   (ongoing from 2016-2021)
https://bugs.kde.org/show_bug.cgi?id=342326   (ongoing from 
https://bugs.kde.org/show_bug.cgi?id=425557   (ongoing since 2020)
https://www.reddit.com/r/kde/comments/6ggjx8/windows_sometimes_stop_updating_content_kwin/

I was thinking the issue was some byproduct of the OpenGL drivers, so I
installed the Obiaf PPA to get the latest Mesa, but there was no change. 

I saw one post from 2016 (https://bugs.kde.org/show_bug.cgi?id=366651#c6) where
Martin Flöser highlighted that the org.kde.kwin.aurorae was suspect and
suggested to "Please try to use the breeze window decoration." I found that I
had been using Aurorae, so I just now switched to Breeze for window
decorations. We'll see if this makes a difference. 

I have lost so much work due to this bug, so I am fully committed to assisting
to get it fixed in any way I can.

I've created a set of information about KWin, my graphics drivers and my system
here: 

https://invent.kde.org/-/snippets/2620

Please tell me what else you need to help nail this down.

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[kwin] [Bug 342326] window contents freeze

[Jonathan Neufeld]

https://bugs.kde.org/show_bug.cgi?id=342326

Jonathan Neufeld  changed:

   What|Removed |Added

 CC||supp...@extollit.com

--- Comment #47 from Jonathan Neufeld  ---
This has been happening to me for several years, ever since I switched from
Windows to Linux.  It happened to me on Kubuntu 15.10, 16.04 and now 20.04.  I
think it can affect any application, it doesn't discriminate.  A few years ago
researching this issue I remember stumbling upon a suggestion that it was due
to a conflict between the Qt framework and running Java applications, something
about Java applications not invalidating some video-related caches and thus
causes problems to prop-up elsewhere.

I resolve this by opening the Compositor settings and then toggling a radio
button off and then on again, just so that the Apply button becomes enabled and
allows me to trigger something.  Perhaps this restarts the compositor or
perhaps it does something less destructive, I don't know, but this has been the
workaround I have been using several times per week for several years.  It
takes me only 20 seconds each time, but those 20 seconds add-up and so does the
frustration.

Also I am using an nVidia card, and the issue occurred on two different cards,
both brand new.  I don't know how the internals work, but I would be very
surprised if this issue turned-out to be hardware-related.

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[kwin] [Bug 342326] window contents freeze

[John Paul R]

https://bugs.kde.org/show_bug.cgi?id=342326

John Paul R  changed:

   What|Removed |Added

 CC||jp+...@jpcode.dev

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[kwin] [Bug 342326] window contents freeze

[Captain Crutches]

https://bugs.kde.org/show_bug.cgi?id=342326

Captain Crutches  changed:

   What|Removed |Added

 Status|NEEDSINFO   |REPORTED
 Resolution|WAITINGFORINFO  |---

--- Comment #46 from Captain Crutches  ---
Seems like the question that put this bug into NEEDSINFO was "is this still
happening on a more recent version of Plasma?" and I can say that the answer is
yes (see my last post), so I'm gonna remove the NEEDSINFO as described by the
bot.

Unfortunately, while it does happen, pretty much daily (sometimes several times
a day)... I haven't yet pinned down an actual reproducible case besides "just
use the computer and wait for it".

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[kwin] [Bug 342326] window contents freeze

[Bug Janitor Service]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #45 from Bug Janitor Service  ---
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!

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[kwin] [Bug 342326] window contents freeze

[Captain Crutches]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #44 from Captain Crutches  ---
Created attachment 151483
  --> https://bugs.kde.org/attachment.cgi?id=151483=edit
qdbus org.kde.KWin /KWin supportInformation > kwinsupportinfo.txt

Throwing my hat in before this gets auto-closed to say I've also been
experiencing this issue.
Mostly with Chromium and Firefox, but I've seen it in other apps like System
Monitor and even the taskbar once or twice.
The window will stop repainting, and while it will respond to input it will
only actually repaint if moved or resized.
My current workaround is to simply close and reopen the window (minimizing and
restoring doesn't work).

Distro: Gentoo
Kernel: 5.19.1-gentoo-x86_64
Graphics: GTX 1080Ti, nvidia-drivers 515.65.01
KDE: Plasma 5.25.4, Frameworks 5.97.0, Breeze Dark theme (if that matters)

Often, the affected window is a browser window that contains media (i.e. a
YouTube tab).

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[kwin] [Bug 342326] window contents freeze

[Captain Crutches]

https://bugs.kde.org/show_bug.cgi?id=342326

Captain Crutches  changed:

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 CC||captaincrutc...@gmail.com

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[kwin] [Bug 342326] window contents freeze

[Bug Janitor Service]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #43 from Bug Janitor Service  ---
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!

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[kwin] [Bug 342326] window contents freeze

[cor]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #42 from cor  ---
Does KDE share with Ubuntu? Seems you should have directed this to the Kubuntu
team. I am only reporting what I have encountered. And to tell you the truth,
this is not working for me. I regret ever contacting bugs.

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[kwin] [Bug 342326] window contents freeze

[postix]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #41 from postix  ---
(In reply to cor from comment #40)
> That's not a part of Kubuntu 20.04. I am an end user, not a developer or 
> tester.
I see,
> Kubuntu 20.04 LTS will be supported for 3 years until April 2023.
but I don't know how your distribution handles backporting of fixes in this
case. 
Maybe someone else  who had experienced this issue, can confirm that this bug
persists on some recent release, so that it maybe can get fixed and backported?

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[kwin] [Bug 342326] window contents freeze

[cor]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #40 from cor  ---
That's not a part of Kubuntu 20.04. I am an end user, not a developer or
tester.

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[kwin] [Bug 342326] window contents freeze

[postix]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #39 from postix  ---
(In reply to cor from comment #38)
> Version 5.18.7 still has an issue. 

Plasma 5.18 had it's latest and last point release with 5.18.8 on Tue
2021-10-19. [1] 
You should try to upgrade to something more recent, which is not EOL. The
current version is 5.25.

[1] https://community.kde.org/Schedules/Plasma_5

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[kwin] [Bug 342326] window contents freeze

[cor]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #38 from cor  ---
Version 5.18.7 still has an issue. After about 1-2 days following a reboot,
portions of the screen stop being repainted. I can correct this by changing any
of the Compositor settings.  Lately, I have been checking and unchecking the
"Allow applications to block compositing". This will fix only for an
indeterminate time.

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[kwin] [Bug 342326] window contents freeze

[postix]

https://bugs.kde.org/show_bug.cgi?id=342326

postix  changed:

   What|Removed |Added

 Status|REPORTED|NEEDSINFO
 CC||pos...@posteo.eu
 Resolution|--- |WAITINGFORINFO

--- Comment #37 from postix  ---
Can you still reproduce the issue with some more recent version of Plasma?

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[kwin] [Bug 342326] window contents freeze

[cor]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #36 from cor  ---
And it's impossible to report something that happens at random!

On 6/1/20 3:18 AM, Vlad Zahorodnii wrote:
> https://bugs.kde.org/show_bug.cgi?id=342326
>
> --- Comment #35 from Vlad Zahorodnii  ---
>> Please fix this MAJOR FLAW!
> It's pretty difficult to fix a bug if one can't reproduce it.
>

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[kwin] [Bug 342326] window contents freeze

[Vlad Zahorodnii]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #35 from Vlad Zahorodnii  ---
> Please fix this MAJOR FLAW!
It's pretty difficult to fix a bug if one can't reproduce it.

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[kwin] [Bug 342326] window contents freeze

[cor]

https://bugs.kde.org/show_bug.cgi?id=342326

cor  changed:

   What|Removed |Added

   Platform|Other   |Ubuntu Packages
Version|5.1.2   |5.12.8
 CC||corcaig...@linuxmail.org

--- Comment #34 from cor  ---
This issue with the compositor has been going on for YEARS! Is this beyond
everyone's grasp? It would be most helpful and logical to get to the root of
this problem. It can cause unrecoverable disk errors. I have had to re-install
my OS several times directly as a result of this bug. I see people reporting
this and being told to try changing the rendering backend, but that is not a
solution. And then the issue is closed as if it is resolved. It has not been
resolved. Please fix this MAJOR FLAW! A lot of blame is being laid on the intel
driver...guess what? I don't have an intel anything in my desktop pc. It is all
AMD.

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[kwin] [Bug 342326] window contents freeze

[hector acosta]

https://bugs.kde.org/show_bug.cgi?id=342326

hector acosta  changed:

   What|Removed |Added

 CC||hector.aco...@gmail.com

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[kwin] [Bug 342326] window contents freeze

[Francisco Navarrete]

https://bugs.kde.org/show_bug.cgi?id=342326

Francisco Navarrete  changed:

   What|Removed |Added

 CC||paco.j.navarr...@gmail.com

--- Comment #32 from Francisco Navarrete  ---
I tried with latest neon, and again appears this issue. Tried everything. It is
the compositor, because I removed it from the startup and used compton
flawless. This is a major bug because a lot of tools become unusable. My latest
discovery: the Android emulator. 

I tried:

- All kwin enviroment variables suggested here.
- Changin nvidia full composite and vsync
- Disable all desktop effects
- Tried opengl2, 3 and xrender
- all options from the menu about screen painting
- and a large etc 

I suggest to focus on this bug because turns KDE unusable for productivity in
most cases. 

The only workaround worked is to use another compositor that actually works
like compton. Kwin compositor is non usable. At least at my 4 computers, same
problem on different configurations, different cards, different distros.  

Thank you in advance,

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[kwin] [Bug 342326] window contents freeze

[Francisco Navarrete]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #33 from Francisco Navarrete  ---
I tried with latest neon, and again appears this issue. Tried everything. It is
the compositor, because I removed it from the startup and used compton
flawless. This is a major bug because a lot of tools become unusable. My latest
discovery: the Android emulator. 

I tried:

- All kwin enviroment variables suggested here.
- Changin nvidia full composite and vsync
- Disable all desktop effects
- Tried opengl2, 3 and xrender
- all options from the menu about screen painting
- and a large etc 

I suggest to focus on this bug because turns KDE unusable for productivity in
most cases. 

The only workaround worked is to use another compositor that actually works
like compton. Kwin compositor is non usable. At least at my 4 computers, same
problem on different configurations, different cards, different distros.  

Thank you in advance,

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[kwin] [Bug 342326] window contents freeze

[JKAbrams]

https://bugs.kde.org/show_bug.cgi?id=342326

JKAbrams  changed:

   What|Removed |Added

 CC||j...@jkabrams.se

--- Comment #31 from JKAbrams  ---
I've had this issue a few years and it is still there. This is the only major
annoyance I run into repeatedly with KDE, it happens on average ~2-3 times a
week (while working full time).

Mostly it happens to Firefox and VirtualBox. I've also seen it happen on
Libreoffice, Audacious and Eclipse, but it can seemingly happen on any
application in heavy use. It also happens to Plasma itself where the taskbar
stops updating (opening/switching windows lags one window behind), hover will
not redraw it but clicking on the taskbar will.

I've had the problem happen on two different machines (both with nVidia
graphics but it happens with both the proprietary driver and nouveau) from
early versions of KF5 up until present Plasma 5.8.7, Frameworks 5.36.0, QT
5.6.1, Kernel 4.11.0-14. Arch Linux and Linux Mint 18.2.

I currently runt compositing on OpenGL 3.1, but OpenGL 2.0 also had the
problem. Others (#330424) report that Xrender is also affected.

>From my user perspective these are possible duplicates as they describe the
same symptoms:
https://bugs.kde.org/show_bug.cgi?id=330424
https://bugs.kde.org/show_bug.cgi?id=366651
https://bugs.kde.org/show_bug.cgi?id=353983
https://bugs.kde.org/show_bug.cgi?id=342500
https://bugs.kde.org/show_bug.cgi?id=343661

https://www.reddit.com/r/kde/comments/6ggjx8/windows_sometimes_stop_updating_content_kwin/
https://forum.kde.org/viewtopic.php?t=101313

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[kwin] [Bug 342326] window contents freeze

[Thomas Lübking via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=342326

Thomas Lübking  changed:

   What|Removed |Added

   See Also||https://bugs.kde.org/show_b
   ||ug.cgi?id=366651

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[kwin] [Bug 342326] window contents freeze

[Bernd Steinhauser via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #28 from Bernd Steinhauser  ---
(In reply to Thomas Lübking from comment #26)
> vdpau specific: does it 
> a) start to update when you suspend the compositor
> b) still update when you resume the compositor afterwards?

Not sure if that matters, but for xv video output, both a) and b) can be
answered with yes. Trying with vdpau again, now.

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[kwin] [Bug 342326] window contents freeze

[Bernd Steinhauser via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #27 from Bernd Steinhauser  ---
(In reply to Thomas Lübking from comment #26)
> vdpau specific: does it 
> a) start to update when you suspend the compositor
> b) still update when you resume the compositor afterwards?

I've tried to reproduce this with vdpau for approx. a week now and doesn't seem
to happen, so I'm not sure anymore it is triggered with that.

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[kwin] [Bug 342326] window contents freeze

[Mikołaj Kowalski via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=342326

Mikołaj Kowalski  changed:

   What|Removed |Added

 CC||cmo...@gmail.com

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[kwin] [Bug 342326] window contents freeze

[Bernd Steinhauser via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=342326

Bernd Steinhauser  changed:

   What|Removed |Added

 CC||li...@bernd-steinhauser.de

--- Comment #24 from Bernd Steinhauser  ---
I'm seeing this quite often with mpv (when a video is drawn). It definitely
happens when using xv, but I think also when using vdpau (but will try
explicitely).
I've also seen this happening when watching a video inside Firefox.

IIRC, I've seen this with both EGL and GLX.

Restarting kwin will fix it. Restarting the application will fix it as well.

Will try the sync option.

The video driver is radeonsi on a Kaveri. I'll attach the kwin support info
file.

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[kwin] [Bug 342326] window contents freeze

[Thomas Lübking via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=342326

--- Comment #26 from Thomas Lübking  ---
vdpau specific: does it 
a) start to update when you suspend the compositor
b) still update when you resume the compositor afterwards?

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[kwin] [Bug 342326] window contents freeze

[Vadym Krevs via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=342326

Vadym Krevs  changed:

   What|Removed |Added

 CC||vkr...@yahoo.com

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