[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Tony]

https://bugs.kde.org/show_bug.cgi?id=353983

Tony  changed:

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=353983

Nate Graham  changed:

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 CC||mmboss...@gmail.com

--- Comment #183 from Nate Graham  ---
*** Bug 421033 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Jan Wiele]

https://bugs.kde.org/show_bug.cgi?id=353983

Jan Wiele  changed:

   What|Removed |Added

 CC||j...@wiele.org

--- Comment #182 from Jan Wiele  ---
Fixed for me too! (nvidia 450.57-1 on Arch)

When disabling compositing with Alt+Shift+F12 there is a brief moment where the
panel gets a dark color (like before the fix), but that color disappears after
2s and everything works! :)

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=353983

Nate Graham  changed:

   What|Removed |Added

 Status|CONFIRMED   |RESOLVED
 Resolution|--- |DOWNSTREAM

--- Comment #181 from Nate Graham  ---
Hooray!

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

jmullener...@yahoo.com changed:

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 CC||jmullener...@yahoo.com

--- Comment #180 from jmullener...@yahoo.com ---
(In reply to Erik Kurzinger from comment #179)
> (In reply to Sebastian Kuźlak from comment #177)
> > nvidia 450.51 beta claims to fix this issue.
> 
> Yes, 450.51 should contain the fix. I would appreciate it if anyone who has
> been affected by this bug would be able to verify.

I had this issue and 450.51 did indeed fix it for me.  Compositing is off but
the system tray/widgets/etc all function properly.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Erik Kurzinger]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #179 from Erik Kurzinger  ---
(In reply to Sebastian Kuźlak from comment #177)
> nvidia 450.51 beta claims to fix this issue.

Yes, 450.51 should contain the fix. I would appreciate it if anyone who has
been affected by this bug would be able to verify.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Postix]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #178 from Postix  ---
(In reply to Sebastian Kuźlak from comment #177)
> nvidia 450.51 beta claims to fix this issue.

Yes. Here's the changelog: 
https://www.nvidia.com/download/driverResults.aspx/160555/en-us

> Fixed a bug causing the Plasma desktop panel to freeze when compositing is
> disabled (https://bugs.kde.org/show_bug.cgi?id=353983)

> Fixed a bug that could cause a KDE Plasma session to crash
> when running under Wayland.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Sebastian Kuźlak]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #177 from Sebastian Kuźlak  ---
nvidia 450.51 beta claims to fix this issue.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Steven Gilberd]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #176 from Steven Gilberd  ---
(In reply to Antonio Orefice from comment #175)
> Are you still getting this?
> Nvidia devs claim the problem was in their driver, that's a bit odd.

This was fixed on my laptop about a year ago. So perhaps this was two
independent driver bugs, and Intel just happened to fix theirs first?

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Antonio Orefice]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #175 from Antonio Orefice  ---
(In reply to Steven Gilberd from comment #84)
> I don't think this is just an NVIDIA issue. The log messages from their
> driver are useful, but I've been experiencing this exact bug with Intel
> graphics for years.
> 
> The system I've encountered it on is a late 3013 MacBook Pro (the 13" one
> with Intel-only graphics).

Are you still getting this?
Nvidia devs claim the problem was in their driver, that's a bit odd.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Thibault Molleman]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=353983

Nate Graham  changed:

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 CC||damienkalli...@gmail.com

--- Comment #174 from Nate Graham  ---
*** Bug 421071 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Ryein Goddard]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #173 from Ryein Goddard  ---
That is fantastic.  I hope to test the fix soon.

Let me know if I can buy you a beer Eric.  I will send some cash your way..
This has been so annoying for awhile now.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Alex Barrero]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #172 from Alex Barrero  ---
Finally!! Thanks for the fix!

Edit: BTW, can Nvidia guys check on this? Another annoying bug related to
propietary driver.

https://bugs.kde.org/show_bug.cgi?id=364593

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Alex Barrero]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #171 from Alex Barrero  ---
Finally!! Thanks for the fix!

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #170 from Nate Graham  ---
That's great news! Once there's a fix, can you include a link to it in the URL
field of this bug, and put the version of the driver that includes the fix in
the Version fixed in field? Thanks!

I'll keep this open since some people are saying that they experience this with
Intel drivers too; perhaps they will require a driver fix as well.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Erik Kurzinger]

https://bugs.kde.org/show_bug.cgi?id=353983

Erik Kurzinger  changed:

   What|Removed |Added

 CC||ekurzin...@nvidia.com

--- Comment #169 from Erik Kurzinger  ---
Took a look at this from the NVIDIA side and determined that it is a bug in our
X driver. KWin / plasmashell aren't doing anything wrong. Should be able to get
a fix out in an upcoming driver release. I'll include an entry in the change
log mentioning the issue.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Andrey Rahmatullin]

https://bugs.kde.org/show_bug.cgi?id=353983

Andrey Rahmatullin  changed:

   What|Removed |Added

Summary|OpenGL Compostior and   |Turning off compositing
   |Nvidia Closed Drivers   |breaks Plasma panel
   |sometimes causes blurry |rendering
   |fonts   |

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Andy]

https://bugs.kde.org/show_bug.cgi?id=353983

Andy  changed:

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 CC|s...@gmx.de |

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Antonio Orefice]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #168 from Antonio Orefice  ---
What can we say... let's hope plasma 6 will be free or maybe a vulkan back end
will magically fix it?

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

jf.mun...@gmail.com changed:

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 CC||jf.mun...@gmail.com

--- Comment #167 from jf.mun...@gmail.com ---
Can confirm on Arch Linux with OpenGL 2.0 backend and proprietary Nvidia
graphics driver. KDE plasma version: 5.18.3

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Ilya]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Harald Hvaal]

https://bugs.kde.org/show_bug.cgi?id=353983

Harald Hvaal  changed:

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 CC|metell...@gmail.com |

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Ryein Goddard]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #166 from Ryein Goddard  ---
If you are like me then I simply switched to xrender as my compositor.  
This solved the issues.

On 3/23/20 6:02 PM, Nick wrote:
> https://bugs.kde.org/show_bug.cgi?id=353983
>
> --- Comment #165 from Nick  ---
> I would kindly suggest you read this first and resubmit your question under 
> the
> right thread, else you probably won't get much of a response.
>
> http://www.catb.org/esr/faqs/smart-questions.html
>

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Nick]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #165 from Nick  ---
I would kindly suggest you read this first and resubmit your question under the
right thread, else you probably won't get much of a response.

http://www.catb.org/esr/faqs/smart-questions.html

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

aquosda...@gmail.com changed:

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--- Comment #164 from aquosda...@gmail.com ---
My krita program keeps crashing. Can someone help me?
Thanks
>From David

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=353983

Nate Graham  changed:

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[francisco_t]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Andrey Rahmatullin]

https://bugs.kde.org/show_bug.cgi?id=353983

Andrey Rahmatullin  changed:

   What|Removed |Added

Version|5.17.5  |5.12.5
   Target Milestone|--- |1.0
  Component|general |Panel
Product|policykit-kde-agent-1   |plasmashell
   Assignee|d...@kde.org |plasma-b...@kde.org

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Nick W]

https://bugs.kde.org/show_bug.cgi?id=353983

Nick W  changed:

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 CC|n...@customdesigns.ca   |

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[francisco_t]

https://bugs.kde.org/show_bug.cgi?id=353983

francisco_t  changed:

   What|Removed |Added

 CC||sunshinehunte...@gmail.com

--- Comment #162 from francisco_t  ---
*** Bug 373797 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Vitaliy]

https://bugs.kde.org/show_bug.cgi?id=353983

Vitaliy  changed:

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 CC||kooche...@ukr.net

--- Comment #161 from Vitaliy  ---
I have the same problem

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Brian]

https://bugs.kde.org/show_bug.cgi?id=353983

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[michele mazza]

https://bugs.kde.org/show_bug.cgi?id=353983

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 CC||michele.ma...@gmail.com

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[sir phobos]

https://bugs.kde.org/show_bug.cgi?id=353983

sir phobos  changed:

   What|Removed |Added

 CC||xapkoh...@gmail.com

--- Comment #160 from sir phobos  ---
Operating System: Kubuntu 19.10
KDE Plasma Version: 5.16.5
KDE Frameworks Version: 5.62.0
Qt Version: 5.12.4
Kernel Version: 5.3.0-19-generic
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-6700HQ CPU @ 2.60GHz
Memory: 31.2 GiB of RAM

same panel freezes.
even if
1. you disable compositor manually - panel is working
2. start any(?) opengl application, even not a game, krita did the trick for me
3. panel freezes!

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Postix]

https://bugs.kde.org/show_bug.cgi?id=353983

Postix  changed:

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=353983

Nate Graham  changed:

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 CC||paul.devri...@gmail.com

--- Comment #159 from Nate Graham  ---
*** Bug 381197 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Kai Uwe Broulik]

https://bugs.kde.org/show_bug.cgi?id=353983

Kai Uwe Broulik  changed:

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 CC||bar...@protonmail.com

--- Comment #158 from Kai Uwe Broulik  ---
*** Bug 410216 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=353983

Christoph Feck  changed:

   What|Removed |Added

 CC||syfe...@gmail.com

--- Comment #157 from Christoph Feck  ---
*** Bug 409172 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[David]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #156 from David  ---
Created attachment 120476
  --> https://bugs.kde.org/attachment.cgi?id=120476=edit
kwin info

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[David]

https://bugs.kde.org/show_bug.cgi?id=353983

David  changed:

   What|Removed |Added

 CC||ic3m...@gmail.com

--- Comment #155 from David  ---
Came here to say this happens to me also. This is 100% reproducible on my
system every time I launch Counter-Strike: Global Offensive through steam.
Entire desktop freezes when compositing is off (Background, widgets, task
manager, system tray area, etc).

KWin version: 5.15.5
Qt Version: 5.12.1
Qt compile version: 5.12.1
XCB compile version: 1.13.1

Compositing is active
Compositing Type: OpenGL
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GTX 1070/PCIe/SSE2
OpenGL version string: 3.1.0 NVIDIA 418.74
OpenGL platform interface: GLX
OpenGL shading language version string: 1.40 NVIDIA via Cg compiler
Driver: NVIDIA
Driver version: 418.74
GPU class: Unknown
OpenGL version: 3.1
GLSL version: 1.40
Linux kernel version: 5.0.17
Direct rendering: Requires strict binding: no
GLSL shaders:  yes
Texture NPOT support:  yes
Virtual Machine:  no
OpenGL 2 Shaders are used
Painting blocks for vertical retrace:  yes

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Nicola]

https://bugs.kde.org/show_bug.cgi?id=353983

Nicola  changed:

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 CC||d...@dominiofelice.com

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Luca Mastromatteo]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #154 from Luca Mastromatteo  ---
Is that an NVIDIA driver issue? In that case has someone got in contact with
them? Because I recently found they have a mailing list for linux bugs and it
looks like they answer unlike their forum, just to let you know

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Andrew]

https://bugs.kde.org/show_bug.cgi?id=353983

Andrew  changed:

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 CC||andrewco...@gmail.com

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

kaito.li...@gmail.com changed:

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Wyatt Childers]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #153 from Wyatt Childers  ---
(In reply to Ryein Goddard from comment #66)
> This problem isn't solved by using the "Allow applications to block
> compositing" for me.
> 
> For me the panel will freeze when launching Unity 3D "games", or other
> games.  Also after closing the game the font turns blurry.  For my work this
> is debilitating.  I cannot restart every single time I want to run this
> software which I need for work.
> 
> The only thing that works for me is using XRender instead of OpenGL.
> 
> I am using the Nvidia driver 390.
> 
> This really sucks because it also disables all the nice visual effects.

Setting the compositor to XRender instead of OpenGL does seem to fix this issue
for me, I've been well over a week without seeing this issue.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Wyatt Childers]

https://bugs.kde.org/show_bug.cgi?id=353983

Wyatt Childers  changed:

   What|Removed |Added

 CC||dark...@nearce.com

--- Comment #152 from Wyatt Childers  ---
I recently switched from an AMD GPU to an nvidia GPU. I think I might have a
useful observation.

When my panel freezes, it turns more of a dark black, as apposed to the default
breeze look. This same thing -- at least cosmetically -- happened on my AMD
card before I switched. However, with the AMD card it would within a few
seconds correct itself.

I suspect if the cause of this graphical glitch can be found and fixed for
mesa, it would also take care of the issue for nvidia cards which recover less
gracefully.

I think it's also worth noting, you can kill plasmashell and restart it to fix
this issue. The issue only occurs during the transition from composited to
non-composited.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Boudewijn Rempt]

https://bugs.kde.org/show_bug.cgi?id=353983

Boudewijn Rempt  changed:

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 CC|b...@valdyas.org|

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Guilherme Silva]

https://bugs.kde.org/show_bug.cgi?id=353983

Guilherme Silva  changed:

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 CC||guih@gmail.com

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #151 from David Edmundson  ---
I spent some time today on this, I wrote an app to block compositing every few
seconds. I also tried to reproduce the panel in a separate app of rendering
multiple QQuickViews and adding the same shadows/blur that panel does.

I have some relevant notes:

 - It doesn't break consistently

 - When it does break, toggling compositing back on and then off again will
always give you the first broken frame

(i.e if I toggle every 10 seconds, if I have a stuck frame with the clock
saying 12:00:00 when it breaks and I toggle compositing back on  it'll resume
12:00:10, 12:00:11, blah blah, when it toggles off again it goes back to
showing 12:00:00)

 - Even if the app is frozen you still get that broken frame when you toggle
compositing, so it's a breakage once, not a breakage each toggle event.


I also built libxcb with this.

https://cgit.freedesktop.org/xcb/libxcb/commit/?id=bbda345a718ff73086437e51f03fcbb73e4365b9

The description vaguely matches a setup behaviour that we see in Plasma. We
have nvidia-glx rendering one thread, whilst our panel is making a tonne of X
calls directly to adjust the panel shadow. The commit is trying to fix a crash,
but a missed reply could have other consequences. print statements showed we
end up in the "fix" code a lot. So far I haven't reproduced afterwards.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Yann Salmon]

https://bugs.kde.org/show_bug.cgi?id=353983

Yann Salmon  changed:

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 CC||cont...@yannsalmon.fr

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Jim Scarborough]

https://bugs.kde.org/show_bug.cgi?id=353983

Jim Scarborough  changed:

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 CC||jscar...@redhat.com

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #150 from rafonix_twi...@o2.pl ---
Created attachment 116933
  --> https://bugs.kde.org/attachment.cgi?id=116933=edit
przejebane

https://www.youtube.com/watch?v=2AJm4mlylzw=youtu.be
Pure installation new kubuntu 18.10 sleep mode using nouveau driver gives
normal behaviour. Change to nvidia 390, or go back to nouveau keeps bug alive


but has been a litle fixed since >2 last years since drawing is more close than
before

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

rafonix_twi...@o2.pl changed:

   What|Removed |Added

 CC||rafonix_twi...@o2.pl

--- Comment #149 from rafonix_twi...@o2.pl ---
KUBUNTU 18.10 - nouveau driver OK, nvidia - dead
stick @https://bugs.kde.org/show_bug.cgi?id=395781
as guru said NVIDIA _I_ U
DISPERSE ALL
bug isnt related to KDE or even kernel

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Patrick Silva]

https://bugs.kde.org/show_bug.cgi?id=353983

Patrick Silva  changed:

   What|Removed |Added

 CC||uhh...@gmail.com

--- Comment #148 from Patrick Silva  ---
*** Bug 400176 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=353983

Christoph Feck  changed:

   What|Removed |Added

 CC||pepaltavi...@yahoo.co.uk

--- Comment #147 from Christoph Feck  ---
*** Bug 397552 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Joe]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #146 from Joe  ---
@Mahendra Tallur 

Exactly. Although I would also say that I have triggered this just in Chrome
and not full screen (on roll20), so it still can be a bit more annoying that
just alt-tabbing from full screen games.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Mahendra Tallur]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #145 from Mahendra Tallur  ---
@Alex : actually, in the past, the panel would sometimes remain stuck even
after resuming compositing on my machine, so that's a significant yet partial
improvement (as one doesn't have to kill plasmashell anymore).

The current situation is "only" annoying if you alt-tab away from games...

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Alex Barrero]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #144 from Alex Barrero  ---
For me the panel always has worked well after the openGL app exited.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Joe]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #143 from Joe  ---
Actually, yes, the panel appears to be only broken now when the vulkan/opengl
app is running, the panel seems to go back to normal when things are exited. I
guess thats... something.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Mahendra Tallur]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #142 from Mahendra Tallur  ---
(In reply to Joe from comment #139)
> Latest 390.xx drivers don't fix this for me - was able to just easily
> reproduce it by alt-tabbing out of thrones of Britannia (Vulkan). Panel was
> frozen as always.

Hmm, I encounter the same phenomenon, but is the panel restored when the game
is exited and compositing resumed ?

Here the panel is often frozen when compo is disabled but it used to ALSO
remain frozen when compo is re-enabled ; didn't witness it so far.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Joe]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #139 from Joe  ---
Latest 390.xx drivers don't fix this for me - was able to just easily reproduce
it by alt-tabbing out of thrones of Britannia (Vulkan). Panel was frozen as
always.

--- Comment #140 from Joe  ---
Latest 390.xx drivers don't fix this for me - was able to just easily reproduce
it by alt-tabbing out of thrones of Britannia (Vulkan). Panel was frozen as
always.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Joe]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #139 from Joe  ---
Latest 390.xx drivers don't fix this for me - was able to just easily reproduce
it by alt-tabbing out of thrones of Britannia (Vulkan). Panel was frozen as
always.

--- Comment #140 from Joe  ---
Latest 390.xx drivers don't fix this for me - was able to just easily reproduce
it by alt-tabbing out of thrones of Britannia (Vulkan). Panel was frozen as
always.

--- Comment #141 from Joe  ---
Latest 390.xx drivers don't fix this for me - was able to just easily reproduce
it by alt-tabbing out of thrones of Britannia (Vulkan). Panel was frozen as
always.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Joe]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #139 from Joe  ---
Latest 390.xx drivers don't fix this for me - was able to just easily reproduce
it by alt-tabbing out of thrones of Britannia (Vulkan). Panel was frozen as
always.

--- Comment #140 from Joe  ---
Latest 390.xx drivers don't fix this for me - was able to just easily reproduce
it by alt-tabbing out of thrones of Britannia (Vulkan). Panel was frozen as
always.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Antonio Orefice]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #138 from Antonio Orefice  ---
I don't understand; the case specific to the issue this bug is reporting
(Turning off compositing breaks Plasma panel rendering) is fixed?

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Allan]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #137 from Allan  ---
(In reply to Mahendra Tallur from comment #136)
> Hi ! I don't want to get you people excited over nothing but here's an 

It's a partial excitement. It doesn't solve the other cases that break plasma
rendering, like Lockscreen and many OpenGL apps (including browsers
occasionally).

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Mahendra Tallur]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #136 from Mahendra Tallur  ---
Hi ! I don't want to get you people excited over nothing but here's an excerpt
of the new Nvidia drivers update :

"Fixed a bug that caused kwin OpenGL compositing to crash when launching
certain OpenGL applications."

(fixed in the 390.77 and 396.45 Nvidia drivers)

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Ian Page Hands]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #135 from Ian Page Hands  ---
Coming here from (it was duped by someone)
https://bugs.kde.org/show_bug.cgi?id=394583

For me at least, the task bar freezing is gone when I disable the compositor.
I've been running with the compositor disabled for weeks now and I don't
experience the issue.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=353983

David Edmundson  changed:

   What|Removed |Added

 CC||ipha...@gmail.com

--- Comment #134 from David Edmundson  ---
*** Bug 394583 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

2012g...@web.de changed:

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 CC||2012g...@web.de

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=353983

David Edmundson  changed:

   What|Removed |Added

 CC||har...@harolddost.com

--- Comment #133 from David Edmundson  ---
*** Bug 395971 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Alexander]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #132 from Alexander  ---
The plasma freezing on compositing enable/disable is definitely NOT fixed with
the (currently latest) 390.67 nvidia drivers (GeForce 1050).

It might have fixed a frequent kwin freeze though.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Lukas Schneiderbauer]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #131 from Lukas Schneiderbauer  ---
(In reply to Ryein Goddard from comment #130)
> I believe the new Nvidia drivers fixed the issue.

I cannot confirm this observation. Still an issue with the newest driver.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Ryein Goddard]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #130 from Ryein Goddard  ---
I believe the new Nvidia drivers fixed the issue. Please confirm you have the
newest drivers, or if you get this bug and end up here try them and report
back.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Boudewijn Rempt]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #129 from Boudewijn Rempt  ---
Same here, with the compositor disabled the task manager never updates
correctly. I'm using an nvidia quadro card.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Boudewijn Rempt]

https://bugs.kde.org/show_bug.cgi?id=353983

Boudewijn Rempt  changed:

   What|Removed |Added

 CC||b...@valdyas.org

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[James Hemsing]

https://bugs.kde.org/show_bug.cgi?id=353983

James Hemsing  changed:

   What|Removed |Added

Version|5.8.0   |5.12.5

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[James Hemsing]

https://bugs.kde.org/show_bug.cgi?id=353983

James Hemsing  changed:

   What|Removed |Added

 CC||jhems...@gmail.com

--- Comment #128 from James Hemsing  ---
Still affects me, and always has. Maybe I'll give this a try on my machine with
amdgpu to see if it happens just to see if it is an nvidia only thing and
report back.

Arch Linux
nvidia 396.24-1
kernel 4.16.9-1-ARCH
1080ti

For me, the taskbar does not update at all when in non-composited mode. When I
switch back to composited with Alt+shift+F12, it works. I like to use
non-composited when gaming because I am sure the compositing is not
interfering, and I get less stuttering and weird behavior when I alt-tab during
a game. The ability to do this is why I like Plasma.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #126 from mdjones...@gmail.com ---
Thanks Nick. Switching between the full screen terminal and the DE fixes the
problem.

--- Comment #127 from mdjones...@gmail.com ---
Thanks Nick. Switching between the full screen terminal and the DE fixes the
problem.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #126 from mdjones...@gmail.com ---
Thanks Nick. Switching between the full screen terminal and the DE fixes the
problem.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Nick]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #125 from Nick  ---
Personally I prefer compositing to be enabled.

So to recover from a plasma freeze which may happen once or twice a day
depending on what I'm doing, I just CNTRL-ALT-F1 to bring up the full screen
terminal and then CNTRL-ALT-F7 to return to the GUI. I then find the
plasmashell is now working again.

Alternatively enable auto-hide on the task bar. (Click the three bar menu on
the extreme right of the task bar, click on 'more settings' then click auto
hide in the visibility section'. If there is not a three bar menu on the
extreme right of the task bar, click right on background of the desktop and
make sure there is a menu entry that says 'lock widgets', if it says 'unlock
widgets' then click it. The three bar menu will appear. Autohide seems to have
the same affect as CNTRL-ALT-F1 & CNTRL-ALT-F7.

The taskbar also seems to freeze for me when I'm using Dolphin more than any
other program.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #124 from mdjones...@gmail.com ---
(In reply to Andrey Rahmatullin from comment #123)
> (In reply to mdjones325 from comment #122)
> > Still a bug after many years.
> > 
> > Anyone have advice for a rookie to fix this problem?
> 
> Disable compositing.

would appreciate rookie-level advice

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Andrey Rahmatullin]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #123 from Andrey Rahmatullin  ---
(In reply to mdjones325 from comment #122)
> Still a bug after many years.
> 
> Anyone have advice for a rookie to fix this problem?

Disable compositing.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #122 from mdjones...@gmail.com ---
Still a bug after many years.

Anyone have advice for a rookie to fix this problem?

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Kai Uwe Broulik]

https://bugs.kde.org/show_bug.cgi?id=353983

Kai Uwe Broulik  changed:

   What|Removed |Added

 CC||mdjones...@gmail.com

--- Comment #121 from Kai Uwe Broulik  ---
*** Bug 395076 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Mahendra Tallur]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #120 from Mahendra Tallur  ---
(In reply to Antonio Orefice from comment #119)
> see comment 84, it is present even with intel drivers.

Well, that's interesting. In my experience (many different machines over the
years), it never occurred on Intel or AMD hardware but did occur several times
a day with Nvidia GPUs. I'm sorry that's not very helpful, but there is
definitely something making the issue more prominent with Nvidia drivers.

(I do get other unrelated trouble with all those, like kwin crashing on in a
while and not restarting or getting a black desktop)

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Antonio Orefice]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #119 from Antonio Orefice  ---
see comment 84, it is present even with intel drivers.

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Yan]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #118 from Yan  ---
May be fixed my new nvidia driver
(https://www.phoronix.com/scan.php?page=news_item=NVIDIA-390.67-Linux-Released)

> Fixed a bug that caused kwin OpenGL compositing to crash when launching 
> certain OpenGL applications

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=353983

nathanmonf...@gmail.com changed:

   What|Removed |Added

 CC||nathanmonf...@gmail.com

--- Comment #117 from nathanmonf...@gmail.com ---
*** Bug 394950 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=353983

Christoph Feck  changed:

   What|Removed |Added

 CC||emp...@adslgr.com

--- Comment #116 from Christoph Feck  ---
*** Bug 356035 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=353983

Christoph Feck  changed:

   What|Removed |Added

 CC||bugs...@paulinternet.nl

--- Comment #115 from Christoph Feck  ---
*** Bug 394445 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 353983] Turning off compositing breaks Plasma panel rendering

[Joe]

https://bugs.kde.org/show_bug.cgi?id=353983

--- Comment #114 from Joe  ---
So it happened to me last night again with only Chrome open. Seemed to kick in
when I opened up roll20, so I would guess whatever graphics api they are using
(maybe webGl or something?) can trigger the bug without fullscreen.

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