[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Bug Janitor Service]

https://bugs.kde.org/show_bug.cgi?id=383179

Bug Janitor Service  changed:

   What|Removed |Added

 Status|NEEDSINFO   |RESOLVED
 Resolution|WAITINGFORINFO  |WORKSFORME

--- Comment #14 from Bug Janitor Service  ---
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now 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

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Bug Janitor Service]

https://bugs.kde.org/show_bug.cgi?id=383179

--- Comment #13 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 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[postix]

https://bugs.kde.org/show_bug.cgi?id=383179

postix  changed:

   What|Removed |Added

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

--- Comment #12 from postix  ---
Do you still flickering and frozen windows still under X11 with latest KWin
5.24.2?

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[postix]

https://bugs.kde.org/show_bug.cgi?id=383179

postix  changed:

   What|Removed |Added

   See Also||https://bugs.kde.org/show_b
   ||ug.cgi?id=415419

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[postix]

https://bugs.kde.org/show_bug.cgi?id=383179

postix  changed:

   What|Removed |Added

  Flags||Wayland-, X11+
 CC||pos...@posteo.eu

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Mircea Kitsune]

https://bugs.kde.org/show_bug.cgi?id=383179

--- Comment #11 from Mircea Kitsune  ---
This issue somehow still exists and occurs to this day. It's X11 specific,
never seen it on Wayland... with WL Plasma still being unstable I have to stick
to X for now. It's one of the biggest annoyances I have to deal with: It often
feels like a process has frozen as its window contents no longer update, then
it starts flickering wildly and I realize it's this thing again... I need to
hit Alt + Shift + F12 twice to restart desktop compositing.

I recently tried changing all possible options under Configure Desktop -
Display and Monitor - Compositor: None of them will resolve this, any setting
in there will still cause this to occur. As a reminder I use amdgpu / Mesa.

Only way to reduce occurrences is to reboot daily: It typically appears to
start happening after 1 to 3 days of continuous uptime.

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=383179

blaueshawaiih...@gmx.de changed:

   What|Removed |Added

 CC||blaueshawaiih...@gmx.de

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Hector Martin]

https://bugs.kde.org/show_bug.cgi?id=383179

--- Comment #10 from Hector Martin  ---
Yeah, this hasn't gone away for me. These days I just toggle compositing on and
off to fix it, but it still happens every now and then.

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Mircea Kitsune]

https://bugs.kde.org/show_bug.cgi?id=383179

--- Comment #9 from Mircea Kitsune  ---
I'm still seeing this every now and then... very rarely, but apparently it will
occur at certain times. I'm curious if anyone else is getting those issues and
can confirm them. Is this even a KDE problem or a video driver bug?

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Mircea Kitsune]

https://bugs.kde.org/show_bug.cgi?id=383179

--- Comment #8 from Mircea Kitsune  ---
(In reply to Hector Martin from comment #7)

Yes, sounds like the same thing. I missed out the rectangle detail; I noticed
that sometimes only certain rectangular areas will update when an event happens
near them, while the rest of the application remains drawn the same way.

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Hector Martin]

https://bugs.kde.org/show_bug.cgi?id=383179

Hector Martin  changed:

   What|Removed |Added

 CC||hec...@marcansoft.com

--- Comment #7 from Hector Martin  ---
I've been experiencing a seemingly identical issue for months too. I'm on an
Intel GPU, which suggests the problem is in kwin or a shared part of Mesa.

When window contents freeze, sometimes they are partially updated, triggering
an effect where only some segments/rectangles of the screen see into the
updated window. Also, I have the scroll wheel on the window title bar mapped to
change window opacity, and doing so always causes the full window to refresh
properly. Restarting kwin fixes the problem, temporarily. It would be
interesting if the original reporter sees this behavior too to further confirm
we're talking about the same problem.

I'm on Gentoo Linux amd64, kernel 4.11.8-gentoo (but this has been going on for
multiple kernel releases now), Core i7-3820QM.

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Martin Flöser]

https://bugs.kde.org/show_bug.cgi?id=383179

Martin Flöser  changed:

   What|Removed |Added

 Attachment #107124|text/x-log  |text/plain
  mime type||

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Martin Flöser]

https://bugs.kde.org/show_bug.cgi?id=383179

Martin Flöser  changed:

   What|Removed |Added

 Attachment #107123|text/x-log  |text/plain
  mime type||

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Mircea Kitsune]

https://bugs.kde.org/show_bug.cgi?id=383179

--- Comment #6 from Mircea Kitsune  ---
Created attachment 107124
  --> https://bugs.kde.org/attachment.cgi?id=107124=edit
Xorg.1.log

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Mircea Kitsune]

https://bugs.kde.org/show_bug.cgi?id=383179

--- Comment #5 from Mircea Kitsune  ---
Created attachment 107123
  --> https://bugs.kde.org/attachment.cgi?id=107123=edit
Xorg.0.log

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Martin Flöser]

https://bugs.kde.org/show_bug.cgi?id=383179

--- Comment #4 from Martin Flöser  ---
please try using OpenGL 2 instead of 3.

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Mircea Kitsune]

https://bugs.kde.org/show_bug.cgi?id=383179

--- Comment #3 from Mircea Kitsune  ---
Created attachment 107114
  --> https://bugs.kde.org/attachment.cgi?id=107114=edit
Output of "qdbus org.kde.KWin /KWin supportInformation"

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Martin Flöser]

https://bugs.kde.org/show_bug.cgi?id=383179

--- Comment #2 from Martin Flöser  ---
please provide output of:
qdbus org.kde.KWin /KWin supportInformation

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[kwin] [Bug 383179] KDE desktop compositing occasionally causes flickering and frozen window contents

[Mircea Kitsune]

https://bugs.kde.org/show_bug.cgi?id=383179

Mircea Kitsune  changed:

   What|Removed |Added

 CC||sonichedgehog_hyperblast00@
   ||yahoo.com

--- Comment #1 from Mircea Kitsune  ---
Created attachment 107095
  --> https://bugs.kde.org/attachment.cgi?id=107095=edit
Screenshot of Skype notification flickering

Screenshot of a Skype notification glitching against the Plasma panel. This
shows one frame of the interference, the pattern changes constantly causing
flickering. Only edit includes removing the message contents from the white
area.

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