Bug 435913

Summary: System apps (eg. KCalc / System Settings) crash after latest SUSE Tumbleweed upgrade 18/04
Product: [Applications] kcalc Reporter: Alexandros Gkesos <agesos>
Component: generalAssignee: Evan Teran <evan.teran>
Status: RESOLVED WORKSFORME    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 20.12.3   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Alexandros Gkesos 2021-04-19 12:00:39 UTC 
Application: kcalc (20.12.3)

Qt Version: 5.15.2
Frameworks Version: 5.81.0
Operating System: Linux 5.11.11-1-default x86_64
Windowing System: X11
Drkonqi Version: 5.21.4
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
Crash everytime i open them (not kernel related. Booted with the previous one as well)

The crash can be reproduced every time.

-- Backtrace:
Application: KCalc (kcalc), signal: Segmentation fault
Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7fd962cdec00 (LWP 4194))]
[KCrash Handler]
#6  QWidget::hide (this=0x0) at kernel/qwidget.cpp:7916
#7  0x00007fd965e3535d in QMenuBarPrivate::updateGeometries (this=0x55d3ace24840) at widgets/qmenubar.cpp:256
#8  0x00007fd965e39c00 in QMenuBar::changeEvent (this=0x55d3acee93d0, e=0x7ffd5eda5ba0) at widgets/qmenubar.cpp:1446
#9  0x00007fd965ce4b16 in QWidget::event (this=0x55d3acee93d0, event=0x7ffd5eda5ba0) at kernel/qwidget.cpp:8961
#10 0x00007fd965ca2aff in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55d3acee93d0, e=0x7ffd5eda5ba0) at kernel/qapplication.cpp:3632
#11 0x00007fd964fa713a in QCoreApplication::notifyInternal2 (receiver=0x55d3acee93d0, event=0x7ffd5eda5ba0) at kernel/qcoreapplication.cpp:1063
#12 0x00007fd965cd5e25 in QWidgetPrivate::updateFont (this=this@entry=0x55d3ace24840, font=...) at kernel/qwidget.cpp:4654
#13 0x00007fd965ce4fd2 in QWidget::event (this=0x55d3acee93d0, event=0x7ffd5eda5d40) at kernel/qwidget.cpp:9055
#14 0x00007fd965ca2aff in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55d3acee93d0, e=0x7ffd5eda5d40) at kernel/qapplication.cpp:3632
#15 0x00007fd964fa713a in QCoreApplication::notifyInternal2 (receiver=0x55d3acee93d0, event=0x7ffd5eda5d40) at kernel/qcoreapplication.cpp:1063
#16 0x00007fd965cfdcd6 in sendScreenChangeRecursively (widget=0x55d3acee93d0) at kernel/qwidgetwindow.cpp:752
#17 0x00007fd965cfdd0a in sendScreenChangeRecursively (widget=<optimized out>) at kernel/qwidgetwindow.cpp:757
#18 0x00007fd965cfddce in QWidgetWindow::handleScreenChange (this=0x55d3acdd67e0) at kernel/qwidgetwindow.cpp:764
#19 QWidgetWindow::qt_static_metacall (_c=QMetaObject::InvokeMetaMethod, _a=<optimized out>, _id=<optimized out>, _o=0x55d3acdd67e0) at .moc/moc_qwidgetwindow_p.cpp:77
#20 QWidgetWindow::qt_static_metacall (_o=0x55d3acdd67e0, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qwidgetwindow_p.cpp:70
#21 0x00007fd964fddc50 in doActivate<false> (sender=0x55d3acdd67e0, signal_index=3, argv=argv@entry=0x7ffd5eda5ec0) at kernel/qobject.cpp:3898
#22 0x00007fd964fd6f60 in QMetaObject::activate (sender=sender@entry=0x55d3acdd67e0, m=m@entry=0x7fd965ada600 <QWindow::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd5eda5ec0) at kernel/qobject.cpp:3946
#23 0x00007fd9655514cf in QWindow::screenChanged (this=this@entry=0x55d3acdd67e0, _t1=<optimized out>, _t1@entry=0x55d3accf59b0) at .moc/moc_qwindow.cpp:729
#24 0x00007fd965551d2d in QWindowPrivate::emitScreenChangedRecursion (this=<optimized out>, newScreen=0x55d3accf59b0) at kernel/qwindow.cpp:484
#25 0x00007fd965cd6fc5 in QWidgetPrivate::create (this=this@entry=0x55d3acd37a00) at kernel/qwidget.cpp:1288
#26 0x00007fd965cd72e6 in QWidget::create (this=0x55d3acdcd0a0, window=<optimized out>, initializeWindow=<optimized out>, destroyOldWindow=<optimized out>) at kernel/qwidget.cpp:1179
#27 0x00007fd965e37822 in QMenuBarPrivate::handleReparent (this=this@entry=0x55d3ace24840) at widgets/qmenubar.cpp:1421
#28 0x00007fd965e37c85 in QMenuBarPrivate::init (this=0x55d3ace24840) at widgets/qmenubar.cpp:705
#29 0x00007fd965df9e1a in QMainWindow::menuBar (this=this@entry=0x55d3acdcd0a0) at widgets/qmainwindow.cpp:508
#30 0x00007fd966630434 in KXmlGuiWindow::createGUI (this=this@entry=0x55d3acdcd0a0, xmlfile=...) at /usr/src/debug/kxmlgui-5.81.0-1.1.x86_64/src/kxmlguiwindow.cpp:225
#31 0x00007fd9668cffd3 in KCalculator::KCalculator (parent=0x0, this=<optimized out>, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/kcalc-20.12.3-1.2.x86_64/kcalc.cpp:89
#32 kdemain (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kcalc-20.12.3-1.2.x86_64/kcalc.cpp:2434
#33 0x00007fd9666d8b25 in __libc_start_main (main=0x55d3ac02a050 <main(int, char**)>, argc=1, argv=0x7ffd5eda6968, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd5eda6958) at ../csu/libc-start.c:332
#34 0x000055d3ac02a08e in _start () at ../sysdeps/x86_64/start.S:120
[Inferior 1 (process 4194) detached]

Possible duplicates by query: bug 242368, bug 241056, bug 221431.

Reported using DrKonqi
Comment 1 Alexandros Gkesos 2021-04-20 13:21:50 UTC 
In the end that happened because i had set the "Global scale" to 125% in Display configuration.

I unplugged the laptop from the monitor, and then i could open system settings/apps and revert it. After that everything went back to normal.

<3 Linux