https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #27 from Martin Gräßlin ---
Created attachment 100108
--> https://bugs.kde.org/attachment.cgi?id=100108&action=edit
Patch variant with QPointer
@Luca: the patch is against 5.6 branch, but applies also to other branches.
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--- Comment #26 from Roman Bysh ---
No problem. I'll test it when it's ready.
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Luca Beltrame changed:
What|Removed |Added
CC||lbeltr...@kde.org
--- Comment #25 from Luca Bel
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #24 from Thomas Lübking ---
It's likely troublesome as script API (thus "lambda wrapper")
The queued connection problem is systematic (and easy to understand) but
requiriung an exposure check everwhere frankly looks wonky and seems to beg fo
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #23 from Martin Gräßlin ---
> Could one simply pass a QPointer(c->effectWIndow()) in the
> queuedconnection invokeMethod call?
That might work as well and I thought about it in the past. Don't remember why
I discarded the idea.
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--- Comment #22 from Roman Bysh ---
(In reply to Martin Gräßlin from comment #20)
> Created attachment 100057 [details]
> Possible patch
>
> Please compile KWin (5.7) with this patch and check whether it resolves the
> problem. If you don't know how to
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #21 from Thomas Lübking ---
Could one simply pass a QPointer(c->effectWIndow()) in the
queuedconnection invokeMethod call?
In doubt using a lambda wrapper?
(Something that virtually has to happen on all queued invocation parameters
since th
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #20 from Martin Gräßlin ---
Created attachment 100057
--> https://bugs.kde.org/attachment.cgi?id=100057&action=edit
Possible patch
Please compile KWin (5.7) with this patch and check whether it resolves the
problem. If you don't know how
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #19 from Roman Bysh ---
Created attachment 100039
--> https://bugs.kde.org/attachment.cgi?id=100039&action=edit
Here's the little bitmap file that I was trying to edit
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--- Comment #18 from Roman Bysh ---
(In reply to Martin Gräßlin from comment #15)
> Would you be able to test a patch? As I'm not able to reproduce I don't know
> whether my patch works. The idea of the patch is to not forward any signals
> while the wi
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #17 from Roman Bysh ---
(In reply to Martin Gräßlin from comment #14)
> Another investigation result: MTPaint opens a window which I never see when
> closing the scale canvas window. It has a caption of "Please Wait ...". I
> think that this
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #16 from Roman Bysh ---
(In reply to Martin Gräßlin from comment #13)
> What's your animation speed in the Compositor Settings?
I'm using the default setting for animation speed.
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--- Comment #15 from Martin Gräßlin ---
Would you be able to test a patch? As I'm not able to reproduce I don't know
whether my patch works. The idea of the patch is to not forward any signals
while the window is not yet shown to the effects. This assum
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #14 from Martin Gräßlin ---
Another investigation result: MTPaint opens a window which I never see when
closing the scale canvas window. It has a caption of "Please Wait ...". I think
that this is related - a window which is very short livin
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #13 from Martin Gräßlin ---
What's your animation speed in the Compositor Settings?
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--- Comment #12 from Martin Gräßlin ---
relevant code section:
QMetaObject::Connection QObject::connect(const QObject *sender, const char
*signal,
const QObject *receiver, const char
*method,
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #11 from Martin Gräßlin ---
Though interesting finding: the dialog_parent effect is still on after closing
the window. As that effect is connecting to the desktopPresenceChanged signal I
think we are closer to the riddle.
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--- Comment #10 from Martin Gräßlin ---
and of course following the steps does not result in a crash on my system
*sigh*
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--- Comment #9 from Martin Gräßlin ---
> We can see this resolved for Plasma 5.6.4? The crashes happen quite often in
> Tumbleweed.
You are the first one to ever report the crash with a full backtrace. So I hope
that finally we will be able to understa
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #8 from Roman Bysh ---
Follow Up
We can see this resolved for Plasma 5.6.4? The crashes happen quite often in
Tumbleweed.
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--- Comment #7 from Roman Bysh ---
I see it's optimized out.
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--- Comment #6 from Thomas Lübking ---
thread #1 - the relevant one. watch for desktopPresenceChanged and failed
object creation in qtscript.
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--- Comment #5 from Roman Bysh ---
(In reply to Thomas Lübking from comment #3)
>
>
> *** This bug has been marked as a duplicate of bug 363224 ***
Where in this backtrace is it a duplicate?
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--- Comment #4 from Roman Bysh ---
qdbus org.kde.KWin /KWin supportInformation
KWin Support Information:
The following information should be used when requesting support on e.g.
http://forum.kde.org.
It provides information about the currently running i
https://bugs.kde.org/show_bug.cgi?id=365367
Roman Bysh changed:
What|Removed |Added
Summary|Kwin always crashes when I |Kwin always crashes when I
|try
https://bugs.kde.org/show_bug.cgi?id=365367
Thomas Lübking changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://bugs.kde.org/show_bug.cgi?id=365367
--- Comment #2 from Roman Bysh ---
Created attachment 100012
--> https://bugs.kde.org/attachment.cgi?id=100012&action=edit
Screenshot showing where the crash originated from in MTPaint
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--- Comment #1 from Roman Bysh ---
The crash begins immediately after clicking on the OK button to confirm me
resizing the bitmap.
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Roman Bysh changed:
What|Removed |Added
CC||rb03...@gmail.com
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