https://bugs.kde.org/show_bug.cgi?id=407783
--- Comment #2 from Rik Mills ---
Thread 1 (Thread 0x7f35a92b46c0 (LWP 5549)):
[KCrash Handler]
#6 0x7f358807a954 in TouchpadConfigContainer::sizeHint (this=) at ./kcms/touchpad/src/kcm/touchpadconfigcontainer.cpp:70
#7 0x7f35ae8817c2 in QWidgetItemV2::updateCacheIfNecessary
(this=0x55cdb8dcacf0) at kernel/qlayoutitem.cpp:724
#8 QWidgetItemV2::updateCacheIfNecessary (this=0x55cdb8dcacf0) at
kernel/qlayoutitem.cpp:719
#9 0x7f35ae881afd in QWidgetItemV2::maximumSize (this=0x55cdb8dcacf0) at
kernel/qlayoutitem.cpp:812
#10 QWidgetItemV2::maximumSize (this=0x55cdb8dcacf0) at
kernel/qlayoutitem.cpp:806
#11 0x7f35ae8760a2 in QBoxLayoutPrivate::setupGeom
(this=this@entry=0x55cdb9628170) at kernel/qboxlayout.cpp:289
#12 0x7f35ae876d48 in QBoxLayoutPrivate::setupGeom (this=0x55cdb9628170) at
kernel/qboxlayout.cpp:256
#13 QBoxLayout::sizeHint (this=) at kernel/qboxlayout.cpp:616
#14 0x7f35ae87d8d7 in QLayout::totalSizeHint (this=0x55cdb9701120) at
kernel/qlayout.cpp:719
#15 0x7f35ae9eabaa in QScrollArea::sizeHint (this=) at
/usr/include/c++/8/bits/atomic_base.h:390
#16 0x7f35ae8835b2 in QStackedLayout::sizeHint (this=) at
kernel/qstackedlayout.cpp:444
#17 0x7f35ae87d8d7 in QLayout::totalSizeHint (this=0x55cdb7c25a40) at
kernel/qlayout.cpp:719
#18 0x7f35ae8817c2 in QWidgetItemV2::updateCacheIfNecessary
(this=0x55cdb7c286f0) at kernel/qlayoutitem.cpp:724
#19 QWidgetItemV2::updateCacheIfNecessary (this=0x55cdb7c286f0) at
kernel/qlayoutitem.cpp:719
#20 0x7f35ae881aad in QWidgetItemV2::minimumSize (this=0x55cdb7c286f0) at
kernel/qlayoutitem.cpp:799
#21 QWidgetItemV2::minimumSize (this=0x55cdb7c286f0) at
kernel/qlayoutitem.cpp:793
#22 0x7f35ae87a20d in QGridBox::minimumSize (this=0x55cdb7c28490) at
kernel/qgridlayout.cpp:74
#23 QGridLayoutPrivate::setupLayoutData (this=this@entry=0x55cdb7c25500,
hSpacing=hSpacing@entry=6, vSpacing=vSpacing@entry=6) at
kernel/qgridlayout.cpp:810
#24 0x7f35ae87b523 in QGridLayoutPrivate::distribute
(this=this@entry=0x55cdb7c25500, r=..., hSpacing=6, vSpacing=vSpacing@entry=6)
at kernel/qgridlayout.cpp:940
#25 0x7f35ae87c322 in QGridLayout::setGeometry (this=0x55cdb7c254b0,
rect=...) at kernel/qgridlayout.cpp:1385
#26 0x7f35ae87d738 in QLayoutPrivate::doResize
(this=this@entry=0x55cdb7c25500, r=...) at
../../include/QtCore/../../src/corelib/tools/qrect.h:184
#27 0x7f35ae87e7c9 in QLayout::activate (this=) at
../../include/QtCore/../../src/corelib/tools/qsize.h:119
#28 0x7f35ae89f61f in QWidgetPrivate::setVisible (this=0x55cdb8ef55a0,
visible=) at
../../include/QtWidgets/../../src/widgets/kernel/qwidget.h:131
#29 0x7f35ae883bb6 in QStackedLayout::setCurrentIndex (this=0x55cdb7c25a40,
index=1) at kernel/qstackedlayout.cpp:321
#30 0x7f35ae883e58 in QStackedLayout::setCurrentWidget
(this=0x55cdb7c25a40, widget=widget@entry=0x55cdb96c96e0) at
kernel/qstackedlayout.cpp:376
#31 0x7f35aea007c5 in QStackedWidget::setCurrentWidget (this=, widget=0x55cdb96c96e0) at widgets/qstackedwidget.cpp:248
#32 0x7f35af0b9125 in KPageViewPrivate::_k_pageSelected (previous=...,
index=..., this=0x55cdb7c25270) at ./src/kpageview.cpp:247
#33 KPageViewPrivate::_k_pageSelected (this=0x55cdb7c25270, index=...,
previous=...) at ./src/kpageview.cpp:221
#34 0x7f35ade2a426 in QMetaObject::activate (sender=0x55cdb7c36b50,
signalOffset=, local_signal_index=,
argv=) at kernel/qobject.cpp:3793
#35 0x7f35addc0108 in QItemSelectionModel::selectionChanged
(this=this@entry=0x55cdb7c36b50, _t1=..., _t2=...) at
.moc/moc_qitemselectionmodel.cpp:458
#36 0x7f35addc89b4 in QItemSelectionModel::emitSelectionChanged
(this=0x55cdb7c36b50, newSelection=..., oldSelection=...) at
itemmodels/qitemselectionmodel.cpp:1871
#37 0x7f35addc901b in QItemSelectionModel::select (this=0x55cdb7c36b50,
selection=..., command=...) at itemmodels/qitemselectionmodel.cpp:1338
#38 0x7f35addc2eac in QItemSelectionModel::select
(this=this@entry=0x55cdb7c36b50, index=..., command=command@entry=...) at
itemmodels/qitemselectionmodel.cpp:1188
#39 0x7f35addc04dc in QItemSelectionModel::setCurrentIndex
(this=this@entry=0x55cdb7c36b50, index=..., command=command@entry=...) at
itemmodels/qitemselectionmodel.cpp:1413
#40 0x7f35af0b81e7 in KPageViewPrivate::updateSelection (this=) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qabstractitemmodel.h:60
#41 KPageViewPrivate::updateSelection (this=) at
./src/kpageview.cpp:95
#42 0x7f35af0b8f52 in KPageViewPrivate::_k_modelChanged
(this=0x55cdb7c25270) at ./src/kpageview.cpp:218
#43 0x7f35ade2a426 in QMetaObject::activate (sender=0x55cdb7c28f00,
signalOffset=, local_signal_index=,
argv=) at kernel/qobject.cpp:3793
#44 0x7f35addb29e6 in QAbstractItemModel::layoutChanged
(this=this@entry=0x55cdb7c28f00, _t1=..., _t2=,
_t2@entry=QAbstractItemModel::NoLayoutChangeHint) at
.moc/moc_qabstractitemmodel.cpp:570
#45 0x7f35af0bf19b in KPageWidgetModel::addPage
