[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2020-09-22 Thread Vlad Zahorodnii
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zahorodnii  changed:

   What|Removed |Added

 CC||philipp.kn...@web.de

--- Comment #23 from Vlad Zahorodnii  ---
*** Bug 423964 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-12-30 Thread Nate Graham
https://bugs.kde.org/show_bug.cgi?id=396830

Nate Graham  changed:

   What|Removed |Added

 CC||n...@kde.org

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-12-21 Thread Mahendra Tallur
https://bugs.kde.org/show_bug.cgi?id=396830

--- Comment #22 from Mahendra Tallur  ---
Replying to myself : 
yes, this bug affects the LTS too (several reporters) -- I'll think twice
before posting. Would it be possible to backport the fix to 5.12 and possibly
the current 5.14 too ?

Cheers & thanks again for figuring it out, it's been turning me crazy !

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-12-21 Thread Mahendra Tallur
https://bugs.kde.org/show_bug.cgi?id=396830

--- Comment #21 from Mahendra Tallur  ---
@Vlad : thank you so much for this important fix ! 
As a Neon user edition... user, is the provided workaround a proper way of
confirming the fix works ? I'll try hard to reproduce it ! 

Can anyone confirm this bug also affect the LTS version of Plasma ?

Thanks again,
cheers,
Mahen

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-12-20 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zagorodniy  changed:

   What|Removed |Added

 Resolution|--- |FIXED
  Latest Commit||https://commits.kde.org/kwi
   ||n/9ac2e5d5bb44934b6d30bda93
   ||15210d544f33958
   Version Fixed In||5.15.0
 Status|CONFIRMED   |RESOLVED

--- Comment #20 from Vlad Zagorodniy  ---
Git commit 9ac2e5d5bb44934b6d30bda9315210d544f33958 by Vlad Zagorodniy.
Committed on 21/12/2018 at 00:22.
Pushed by vladz into branch 'master'.

[effects] Make current OpenGL context per each unloaded effect

Summary:
Some effects may release the current context when they tear down, so we
have to make the current context per each unloaded effect.
FIXED-IN: 5.15.0

Test Plan: No longer able to reproduce bug 396830.

Reviewers: #kwin, davidedmundson

Reviewed By: #kwin, davidedmundson

Subscribers: davidedmundson, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D17716

M  +36   -32   effects.cpp
M  +2-0effects.h

https://commits.kde.org/kwin/9ac2e5d5bb44934b6d30bda9315210d544f33958

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-12-19 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zagorodniy  changed:

   What|Removed |Added

   Assignee|kwin-bugs-n...@kde.org  |vladz...@gmail.com

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-12-19 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

--- Comment #19 from Vlad Zagorodniy  ---
Current workaround: Disable close buttons in the Present Windows effect.

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-12-19 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zagorodniy  changed:

   What|Removed |Added

 Ever confirmed|0   |1
 Status|REPORTED|CONFIRMED
Version|5.14.2  |5.14.4

--- Comment #18 from Vlad Zagorodniy  ---
It looks like QQuickView messes with the current context.

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-12-19 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

--- Comment #17 from Vlad Zagorodniy  ---
I added some debug outputs(https://phabricator.kde.org/P282) to see what the
current OpenGL context is when the blur effect is about to be destroyed, and
results are somewhat odd:

  About to unload all effects
  Current context: 0x55940fcbdbe0
  Current context: 0x55940fcbdbe0
  About to destroy the blur effect
  Current context: 0x0
  Current context: 0x55940fcbdbe0

It looks like the context somehow got released.

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-12-19 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zagorodniy  changed:

   What|Removed |Added

 CC||toc...@outlook.com

--- Comment #16 from Vlad Zagorodniy  ---
*** Bug 402317 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-12-12 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

--- Comment #15 from Vlad Zagorodniy  ---
(In reply to Vlad Zagorodniy from comment #4)
> I can always reproduce it by doing the following:
> * Run kwin from terminal, e.g. kwin_x11 --replace
> * Activate the Present Windows effect, hover some window
> * Activate the Desktop Grid effect
> * Replace kwin by running kwin_x11 --replace from krunner

Weird, I'm not able anymore to reproduce the crash by following these steps.

If you're able to reproduce this crash, could you please provide the following
details:
* version of libepoxy;
* version of KWin;
* what GPU and driver you use;
* what were you doing to reproduce the crash;
* is the crash reproducible in the following scenarios:
   - Background Contrast effect disabled / Blur effect disabled;
   - Background Contrast effect disabled / Blur effect enabled;
   - Background Contrast effect enabled  / Blur effect disabled;
   - Background Contrast effect enabled  / Blur effect enabled.

Thanks.

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-12-05 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zagorodniy  changed:

   What|Removed |Added

 CC||n...@horsefucker.org

--- Comment #14 from Vlad Zagorodniy  ---
*** Bug 401770 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-30 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zagorodniy  changed:

   What|Removed |Added

 CC||andreas_norda...@hotmail.co
   ||m

--- Comment #13 from Vlad Zagorodniy  ---
*** Bug 401559 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-27 Thread Martin Flöser
https://bugs.kde.org/show_bug.cgi?id=396830

Martin Flöser  changed:

   What|Removed |Added

 CC||jumpyfatt...@gmail.com

--- Comment #12 from Martin Flöser  ---
*** Bug 401491 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-22 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=396830

taocris...@hotmail.com changed:

   What|Removed |Added

 CC||taocris...@hotmail.com

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-12 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zagorodniy  changed:

   What|Removed |Added

 CC||megatoaste...@gmail.com

--- Comment #11 from Vlad Zagorodniy  ---
*** Bug 400954 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-09 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zagorodniy  changed:

   What|Removed |Added

 CC||letzdropthe...@gmail.com

--- Comment #10 from Vlad Zagorodniy  ---
*** Bug 400886 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-09 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zagorodniy  changed:

   What|Removed |Added

 CC||dan93b...@gmail.com

--- Comment #9 from Vlad Zagorodniy  ---
*** Bug 400881 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-09 Thread Mahendra Tallur
https://bugs.kde.org/show_bug.cgi?id=396830

--- Comment #8 from Mahendra Tallur  ---
(In reply to Vlad Zagorodniy from comment #7)
> (In reply to Mahendra Tallur from comment #6)
> > However when I try to attach gdb from the pre-existing kwin process, the
> > system hangs. Any idea ?
> Did you resume kwin? e.g.
> (gdb) continue
> 
> Also, I think this bug report already has good backtrace.

Nope, I cannot resume, I cannot activate the terminal. OK, I have to do it from
the full screen console, gonna check the right syntax...

I think the problem is that kwin devs are not gamers and thus cannot experience
it themselves ;) -- it's true it's difficult to be productive & gamer :)

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-09 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

--- Comment #7 from Vlad Zagorodniy  ---
(In reply to Mahendra Tallur from comment #6)
> However when I try to attach gdb from the pre-existing kwin process, the
> system hangs. Any idea ?
Did you resume kwin? e.g.
(gdb) continue

Also, I think this bug report already has good backtrace.

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-09 Thread Mahendra Tallur
https://bugs.kde.org/show_bug.cgi?id=396830

--- Comment #6 from Mahendra Tallur  ---
Hi ! I have a problem getting a proper debug trace...
I frequently get the crash when gdb is not attached to kwin (I usually kill &
start kwin from gdb).
However when I try to attach gdb from the pre-existing kwin process, the system
hangs. Any idea ?

Also, for some reason, I never get DrKonqi when my decorations disappear.
As a dirty and not that satisfying workaround, could kwin auto-restart when it
crashes ?

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-03 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zagorodniy  changed:

   What|Removed |Added

 CC||andre.vma...@gmail.com

--- Comment #5 from Vlad Zagorodniy  ---
*** Bug 398018 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-03 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

Vlad Zagorodniy  changed:

   What|Removed |Added

Version|5.12.6  |5.14.2

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-11-03 Thread Vlad Zagorodniy
https://bugs.kde.org/show_bug.cgi?id=396830

--- Comment #4 from Vlad Zagorodniy  ---
I can always reproduce it by doing the following:
* Run kwin from terminal, e.g. kwin_x11 --replace
* Activate the Present Windows effect, hover some window
* Activate the Desktop Grid effect
* Replace kwin by running kwin_x11 --replace from krunner

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-10-27 Thread Martin Flöser
https://bugs.kde.org/show_bug.cgi?id=396830

Martin Flöser  changed:

   What|Removed |Added

 CC||diehar...@hotmail.com

--- Comment #3 from Martin Flöser  ---
*** Bug 400358 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-10-21 Thread Mahendra Tallur
https://bugs.kde.org/show_bug.cgi?id=396830

Mahendra Tallur  changed:

   What|Removed |Added

 CC||ma...@free.fr

--- Comment #2 from Mahendra Tallur  ---
Hi ! I regularly (maybe once every 1-2 days ?) encounter a kwin crash
(decorations disappear, I have to restart kwin manually) when starting a game
that disables compositing (or switching mpv to fullscreen).

I yet have to figure out a way to reproduce it... But it's been happening for
at least 6 months - 1 year and is still the case when using the whole up to
date KDE stack and Neon 18.04. (whether I use a PPA or not)

It occurs with both Intel HD Graphics and AMD Radeon RX550/560 (but not with
Nvidia, but those are not that pleasant to use under KDE :). It happens in both
Neon 16.04 and 18.04. And also with a recent kernel in Manjaro. It occurs on
several different PCs. 

How can I help pinpoint this ? Are there other related bug reports ? 
Cheers :-)

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[kwin] [Bug 396830] kwin_x11 crash when suspending compositing

2018-09-19 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=396830

henk...@msn.com changed:

   What|Removed |Added

 CC||henk...@msn.com

--- Comment #1 from henk...@msn.com ---
I am experiencing the same issue on Kubuntu 18.04 , KDE Plasma 5.12.6.
When starting a game trough steam that disables compositing there is a chance
that kwin_x11 stops working. I am unable to locate a crash dump or log entry of
this event. When using Alt + F2 to manually start kwin_x11 the system resumes
functioning normally and then i am unable to reproduce the bug. I have not been
able to find out why the crash only occurs some of the times a game is ran but
rarely happens after a reboot or restart of kwin_x11.

Kwin support information: https://paste.kde.org/pxajs4zhr

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