[konsole] [Bug 490289] New: KDE apps crash at start with a Dell external display

[Jean Claveau]

https://bugs.kde.org/show_bug.cgi?id=490289

            Bug ID: 490289
           Summary: KDE apps crash at start with a Dell external display
    Classification: Applications
           Product: konsole
           Version: 23.08.5
          Platform: Kubuntu
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: jean.claveau at gmail.com
  Target Milestone: ---

Application: konsole (23.08.5)

Qt Version: 5.15.13
Frameworks Version: 5.115.0
Operating System: Linux 6.8.0-38-generic x86_64
Windowing System: X11
Distribution: Ubuntu 24.04 LTS
DrKonqi: 5.27.11 [KCrashBackend]

-- Information about the crash:
Dell display : DELL U2713HM

- Konsole, Dolphin, Global settings  and VLC (at least crash)
- non Qt apps work
- Discover works (isn't it a Qt app?)
- the bug occures only when the display is configured on the left or on top of
my laptop display

The crash can be reproduced every time.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault

[KCrash Handler]
#4  0x000077d430b98d5d in QWidget::hide() () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#5  0x000077d430d0c7fd in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#6  0x000077d430d114a0 in QMenuBar::changeEvent(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#7  0x000077d430bb0dc7 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x000077d430b6bd45 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x000077d42fed8118 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x000077d430ba18f0 in QWidgetPrivate::updateFont(QFont const&) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x000077d430bb1858 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x000077d430b6bd45 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x000077d42fed8118 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x000077d430bca5fb in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x000077d430bca62a in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x000077d430bca70e in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x000077d42ff12dbf in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x000077d430348f51 in QWindow::screenChanged(QScreen*) () from
/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x000077d4303497c5 in QWindowPrivate::emitScreenChangedRecursion(QScreen*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x000077d430ba2b13 in QWidgetPrivate::create() () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x000077d430ba2e55 in QWidget::create(unsigned long long, bool, bool) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x000077d430d0ee9d in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x000077d430d0f293 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x000077d430ccf129 in QMainWindow::menuBar() const () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x000077d431482c06 in Konsole::MainWindow::setupActions() () from
/lib/x86_64-linux-gnu/libkonsoleapp.so.1
#26 0x000077d431485ad8 in Konsole::MainWindow::MainWindow() () from
/lib/x86_64-linux-gnu/libkonsoleapp.so.1
#27 0x000077d4314863fc in Konsole::Application::newMainWindow() () from
/lib/x86_64-linux-gnu/libkonsoleapp.so.1
#28 0x000077d43148697f in Konsole::Application::processWindowArgs(bool&) ()
from /lib/x86_64-linux-gnu/libkonsoleapp.so.1
#29 0x000077d431486c60 in Konsole::Application::newInstance() () from
/lib/x86_64-linux-gnu/libkonsoleapp.so.1
#30 0x00005c4d99b9ca9c in ?? ()
#31 0x000077d42f42a1ca in __libc_start_call_main
(main=main at entry=0x5c4d99b9ad00, argc=argc at entry=1,
argv=argv at entry=0x7ffe41b98668) at ../sysdeps/nptl/libc_start_call_main.h:58
#32 0x000077d42f42a28b in __libc_start_main_impl (main=0x5c4d99b9ad00, argc=1,
argv=0x7ffe41b98668, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffe41b98658) at ../csu/libc-start.c:360
#33 0x00005c4d99b9d2b5 in ?? ()
[Inferior 1 (process 5032) detached]

The reporter indicates this bug may be a duplicate of or related to bug 469289.

Reported using DrKonqi

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