Comment # 7 on bug 1093047 from Fabian Vogt

(In reply to Maximilian Trummer from comment #6)
> Here's the backtrace with debuginfo packages installed
> 
> 
> #####
> 
> Application: kinfocenter (kinfocenter), signal: Segmentation fault

[snip]
> #13 0x00007f12c415a76b in QtCurve::StylePlugin::create (this=0x561df9442c30,
> key=...) at /usr/src/debug/qtcurve-1.9.0/qt5/style/qtcurve_plugin.cpp:130
> #14 0x00007f12de476823 in qLoadPlugin<QStyle, QStylePlugin> (key=...,
> loader=<optimized out>) at
> ../../include/QtCore/5.10.0/QtCore/private/../../../../../src/corelib/plugin/
> qfactoryloader_p.h:114
> #15 QStyleFactory::create (key=...) at styles/qstylefactory.cpp:105
> #16 0x00007f12de49a135 in QProxyStylePrivate::ensureBaseStyle
> (this=this@entry=0x561df9445650) at styles/qproxystyle.cpp:99
> #17 0x00007f12de49ad75 in QProxyStyle::event (this=<optimized out>,
> e=0x7fff7d818200) at styles/qproxystyle.cpp:379
> #18 0x00007f12de40b01c in QApplicationPrivate::notify_helper
> (this=<optimized out>, receiver=0x561df953c820, e=0x7fff7d818200) at
> kernel/qapplication.cpp:3733
> #19 0x00007f12de412314 in QApplication::notify (this=0x7fff7d818720,
> receiver=0x561df953c820, e=0x7fff7d818200) at kernel/qapplication.cpp:3492
> #20 0x00007f12dd682148 in QCoreApplication::notifyInternal2
> (receiver=0x561df953c820, event=event@entry=0x7fff7d818200) at
> kernel/qcoreapplication.cpp:1044
> #21 0x00007f12dd6b6d58 in QCoreApplication::sendEvent (event=0x7fff7d818200,
> receiver=<optimized out>) at kernel/qcoreapplication.h:234
> #22 QObjectPrivate::setParent_helper (this=this@entry=0x561df9542680,
> o=o@entry=0x0) at kernel/qobject.cpp:2018
> #23 0x00007f12dd6b73bf in QObject::~QObject (this=<optimized out>,
> __in_chrg=<optimized out>) at kernel/qobject.cpp:1031
> #24 0x00007f12c4128f57 in QtCurve::Style::~Style (this=0x561df974f420,
> __in_chrg=<optimized out>) at
> /usr/src/debug/qtcurve-1.9.0/qt5/style/qtcurve.cpp:733
> #25 0x00007f12c41291d9 in QtCurve::Style::~Style (this=0x561df974f420,
> __in_chrg=<optimized out>) at
> /usr/src/debug/qtcurve-1.9.0/qt5/style/qtcurve.cpp:744
> #26 0x00007f12c415a8fc in QtCurve::StylePlugin::~StylePlugin
> (this=0x561df9442c30, __in_chrg=<optimized out>) at
> /usr/src/debug/qtcurve-1.9.0/qt5/style/qtcurve_plugin.cpp:158
> #27 0x00007f12c415a9b9 in QtCurve::StylePlugin::~StylePlugin
> (this=0x561df9442c30, __in_chrg=<optimized out>) at
> /usr/src/debug/qtcurve-1.9.0/qt5/style/qtcurve_plugin.cpp:165
> #28 0x00007f12dd677716 in QLibraryPrivate::unload
> (this=this@entry=0x561df9438490, flag=flag@entry=QLibraryPrivate::UnloadSys)
> at plugin/qlibrary.cpp:562
[snip]
> #35 0x00007f12dcce5431 in __run_exit_handlers () from /lib64/libc.so.6
> #36 0x00007f12dcce552a in exit () from /lib64/libc.so.6
[snip]

Bug in QtCurve. It reloads itself on exit, which is obviously doomed to fail.
Please report upstream to Qt Curve.

> #####
> 
> Is the gdb output the same as the KDE backtrace tool?

Yes, drkonqi uses gdb.