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List:       kdelibs-bugs
Subject:    [frameworks-kwindowsystem] [Bug 380392] KWindowSystem::setMainWindow kills new parent on deletion wi
From:       Fabian Vogt <bugzilla_noreply () kde ! org>
Date:       2017-05-31 15:21:00
Message-ID: bug-380392-90985-KwTtIUQcDk () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=380392

Fabian Vogt <fabian@ritter-vogt.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
         Resolution|WAITINGFORINFO              |---
             Status|NEEDSINFO                   |CONFIRMED

--- Comment #2 from Fabian Vogt <fabian@ritter-vogt.de> ---
(In reply to David Edmundson from comment #1)
> If you're reporting a crash, upload a backtrace.
> 
> >X11 BadWindow errors.
> 
> That warning wouldn't (or shouldn't) cause a crash. I doubt it's related.

The firefox crash is a result of GDK giving up and trying to make a coredump.
Sometimes it shows a helpful message though:

Gdk-WARNING **: GdkWindow 0x3400010 unexpectedly destroyed

eang hit a very likely related issue: The akonadi agent configuration dialogs
in kmail cause the parent window to get hidden when closing. It's impossible to
show the configuration window again after that. XCB BadWindow messages appear
on stderr when it happens. I can reliably reproduce this issue as well.

Setting as confirmed due to this.

Curiously, kdialog --attach is not affected, at least not reliably. lucab
reported some crashes, but can't reproduce them. I guess that the destruction
of windows in kdialog happens in a different order.

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