Konversation suddendly got stuck.
konversation-21.04.3-1.fc35.x86_64
KDE Frameworks Version 5.88.0
Qt Version 5.15.2
Wayland session

$ gdb konversation 41189
[...]                                                                                                                                                  
[Thread debugging using libthread_db enabled]                                                                                                                                                                                                              
Using host libthread_db library "/lib64/libthread_db.so.1".
0x00007feb08c32a3f in FcFontSetMatchInternal (sets=sets@entry=0x7ffc9760f0a0, nsets=<optimized out>, p=p@entry=0x558308df5c70, result=result@entry=0x7ffc9760f12c) at /usr/src/debug/fontconfig-2.13.94-3.fc35.x86_64/src/fcmatch.c:899
899                     if (best && bestscore[i] < score[i])
(gdb) bt
#0  0x00007feb08c32a3f in FcFontSetMatchInternal (sets=sets@entry=0x7ffc9760f0a0, nsets=<optimized out>, p=p@entry=0x558308df5c70, result=result@entry=0x7ffc9760f12c) at /usr/src/debug/fontconfig-2.13.94-3.fc35.x86_64/src/fcmatch.c:899
#1  0x00007feb08c34c2f in IA__FcFontMatch (config=0x5583053dc160, p=0x558308df5c70, result=0x7ffc9760f12c) at /usr/src/debug/fontconfig-2.13.94-3.fc35.x86_64/src/fcmatch.c:1023
#2  0x00007feb0b10d7ca in QFontconfigDatabase::setupFontEngine(QFontEngineFT*, QFontDef const&) const () from /lib64/libQt5WaylandClient.so.5
#3  0x00007feb0b10dfda in QFontconfigDatabase::fontEngine(QFontDef const&, void*) () from /lib64/libQt5WaylandClient.so.5
#4  0x00007feb0df310ef in loadSingleEngine (foundry=<optimized out>, size=<optimized out>, style=<optimized out>, family=<optimized out>, request=..., script=<optimized out>) at text/qfontdatabase.cpp:971
#5  loadEngine (script=script@entry=2, request=..., family=0x5583057424b0, style=0x558305742580, size=0x7ffc9760f2c8, foundry=<optimized out>) at text/qfontdatabase.cpp:1001
#6  0x00007feb0df31ebb in QFontDatabase::findFont (request=..., script=-1755253680, script@entry=2) at text/qfontdatabase.cpp:2744
#7  0x00007feb0df19aea in QFontEngineMulti::loadEngine (this=<optimized out>, at=-1755253295) at text/qfontengine.cpp:1843
#8  0x00007feb0df1a30f in QFontEngineMulti::ensureEngineAt (this=this@entry=0x55830897a0b0, at=at@entry=95) at text/qfontengine.cpp:1822
#9  0x00007feb0df1a8ac in QFontEngineMulti::stringToCMap (this=0x55830897a0b0, str=<optimized out>, len=<optimized out>, glyphs=<optimized out>, nglyphs=0x7ffc9760f790, flags=...) at text/qfontengine.cpp:1935
#10 0x00007feb0df3a498 in QTextEngine::shapeText (this=this@entry=0x558305608330, item=item@entry=0) at text/qtextengine.cpp:1481
#11 0x00007feb0df3abe0 in QTextEngine::shape (this=this@entry=0x558305608330, item=item@entry=0) at text/qtextengine.cpp:2028
#12 0x00007feb0df4b996 in QTextLine::layout_helper (this=this@entry=0x7ffc9760fa20, maxGlyphs=maxGlyphs@entry=2147483647) at text/qtextlayout.cpp:1854
#13 0x00007feb0df4ca21 in QTextLine::setLineWidth (this=this@entry=0x7ffc9760fa20, width=<optimized out>) at text/qtextlayout.cpp:1605
#14 0x00007feb0e8c2809 in QItemDelegatePrivate::doTextLayout (this=this@entry=0x55830562c780, lineWidth=8388607) at itemviews/qitemdelegate.cpp:186
#15 0x00007feb0e8c4f1e in QItemDelegate::textRectangle (this=this@entry=0x558305602ce0, rect=..., font=..., text=...) at itemviews/qitemdelegate.cpp:1122
#16 0x00007feb0e8c5261 in QItemDelegatePrivate::displayRect (this=this@entry=0x55830562c780, index=..., option=..., decorationRect=..., checkRect=...) at itemviews/qitemdelegate.cpp:138
#17 0x00007feb0e8c6085 in QItemDelegate::sizeHint (this=0x558305602ce0, option=..., index=...) at itemviews/qitemdelegate.cpp:484
#18 0x00007feafadf5a65 in BreezePrivate::ComboBoxItemDelegate::sizeHint (this=0x5583054ba160, option=..., index=...) at /usr/src/debug/plasma-breeze-5.23.3-1.fc35.x86_64/kstyle/breezestyle.cpp:144
#19 0x00007feb0e8e2083 in QCommonListViewBase::itemSize (idx=..., opt=..., this=0x5583055e6c20) at ../../include/QtWidgets/5.15.2/QtWidgets/private/../../../../../src/widgets/itemviews/qlistview_p.h:492
#20 QListModeViewBase::doStaticLayout (this=this@entry=0x5583055e6c20, info=...) at itemviews/qlistview.cpp:2583
#21 0x00007feb0e8e23a4 in QListModeViewBase::doBatchedItemLayout (this=0x5583055e6c20, info=..., max=1) at itemviews/qlistview.cpp:2450
#22 0x00007feb0e8dc016 in QListViewPrivate::doItemsLayout (this=this@entry=0x5583055e7220, delta=<optimized out>) at itemviews/qlistview.cpp:1831
#23 0x00007feb0e8e89d9 in QListView::doItemsLayout (this=0x5583056225c0) at itemviews/qlistview.cpp:1543
#24 0x00007feb0e73a7b6 in QComboBox::changeEvent (this=0x5583054f4290, e=0x7ffc97610090) at widgets/qcombobox.cpp:3153
#25 0x00007feb0e669e46 in QWidget::event (this=0x5583054f4290, event=0x7ffc97610090) at kernel/qwidget.cpp:8962
#26 0x00007feb0e627443 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5583054f4290, e=0x7ffc97610090) at kernel/qapplication.cpp:3632
#27 0x00007feb0d72d7b8 in QCoreApplication::notifyInternal2 (receiver=0x5583054f4290, event=0x7ffc97610090) at kernel/qcoreapplication.cpp:1064
#28 0x00007feb0e65afe5 in QWidgetPrivate::updateFont (this=this@entry=0x558305234130, font=...) at kernel/qwidget.cpp:4654
#29 0x00007feb0e66a300 in QWidget::event (this=0x5583054f4290, event=0x7ffc97610220) at kernel/qwidget.cpp:9056
#30 0x00007feb0e627443 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5583054f4290, e=0x7ffc97610220) at kernel/qapplication.cpp:3632
#31 0x00007feb0d72d7b8 in QCoreApplication::notifyInternal2 (receiver=0x5583054f4290, event=0x7ffc97610220) at kernel/qcoreapplication.cpp:1064
#32 0x00007feb0e683036 in sendScreenChangeRecursively (widget=0x5583054f4290) at kernel/qwidgetwindow.cpp:752
#33 0x00007feb0e683066 in sendScreenChangeRecursively (widget=<optimized out>) at kernel/qwidgetwindow.cpp:757
--Type <RET> for more, q to quit, c to continue without paging--c
#34 0x00007feb0e683066 in sendScreenChangeRecursively (widget=<optimized out>) at kernel/qwidgetwindow.cpp:757
#35 0x00007feb0e683066 in sendScreenChangeRecursively (widget=<optimized out>) at kernel/qwidgetwindow.cpp:757
#36 0x00007feb0e683066 in sendScreenChangeRecursively (widget=<optimized out>) at kernel/qwidgetwindow.cpp:757
#37 0x00007feb0e683066 in sendScreenChangeRecursively (widget=<optimized out>) at kernel/qwidgetwindow.cpp:757
#38 0x00007feb0e683136 in QWidgetWindow::handleScreenChange (this=0x5583055b8bf0) at kernel/qwidgetwindow.cpp:764
#39 QWidgetWindow::qt_static_metacall (_c=QMetaObject::InvokeMetaMethod, _a=<optimized out>, _id=<optimized out>, _o=0x5583055b8bf0) at .moc/moc_qwidgetwindow_p.cpp:77
#40 QWidgetWindow::qt_static_metacall (_o=0x5583055b8bf0, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qwidgetwindow_p.cpp:70
#41 0x00007feb0d761410 in doActivate<false> (sender=0x5583055b8bf0, signal_index=3, argv=0x7ffc976104a0) at kernel/qobject.cpp:3898
#42 0x00007feb0d75c347 in QMetaObject::activate (sender=sender@entry=0x5583055b8bf0, m=m@entry=0x7feb0e328ea0 <QWindow::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc976104a0) at kernel/qobject.cpp:3946
#43 0x00007feb0de79c63 in QWindow::screenChanged (this=this@entry=0x5583055b8bf0, _t1=<optimized out>, _t1@entry=0x558307a441b0) at .moc/moc_qwindow.cpp:729
#44 0x00007feb0de7a647 in QWindowPrivate::emitScreenChangedRecursion (this=<optimized out>, newScreen=0x558307a441b0) at kernel/qwindow.cpp:484
#45 0x00007feb0de80d18 in QWindowPrivate::setTopLevelScreen (this=<optimized out>, newScreen=<optimized out>, recreate=<optimized out>) at kernel/qwindow.cpp:508
#46 0x00007feb0de9d0c8 in QScreen::~QScreen (this=0x558305287580, __in_chrg=<optimized out>) at kernel/qscreen.cpp:165
#47 0x00007feb0de9d1ad in QScreen::~QScreen (this=0x558305287580, __in_chrg=<optimized out>) at kernel/qscreen.cpp:172
#48 0x00007feb0de5535b in QWindowSystemInterface::handleScreenRemoved (platformScreen=0x55830527dc70) at kernel/qwindowsysteminterface.cpp:844
#49 0x00007feb0b0da846 in QtWaylandClient::QWaylandDisplay::registry_global_remove (this=0x558305276780, id=49) at /usr/src/debug/qt5-qtwayland-5.15.2-14.fc35.x86_64/src/client/qwaylanddisplay.cpp:419
#50 0x00007feb08bbac04 in ffi_call_unix64 () at ../src/x86/unix64.S:76
#51 0x00007feb08bba108 in ffi_call (cif=cif@entry=0x7ffc97610710, fn=<optimized out>, rvalue=<optimized out>, rvalue@entry=0x0, avalue=avalue@entry=0x7ffc976107e0) at ../src/x86/ffi64.c:525
#52 0x00007feb0b04ad10 in wl_closure_invoke (closure=closure@entry=0x558305bbbf60, target=<optimized out>, target@entry=0x55830527a2f0, opcode=opcode@entry=1, data=<optimized out>, flags=<optimized out>) at ../src/connection.c:1018
#53 0x00007feb0b04b41b in dispatch_event (display=display@entry=0x55830527a1a0, queue=<optimized out>, queue=<optimized out>) at ../src/wayland-client.c:1452
#54 0x00007feb0b04b60c in dispatch_queue (queue=0x55830527a270, display=0x55830527a1a0) at ../src/wayland-client.c:1598
#55 wl_display_dispatch_queue_pending (display=0x55830527a1a0, queue=0x55830527a270) at ../src/wayland-client.c:1840
#56 0x00007feb0b0d76a3 in QtWaylandClient::QWaylandDisplay::flushRequests (this=0x558305276780) at /usr/src/debug/qt5-qtwayland-5.15.2-14.fc35.x86_64/src/client/qwaylanddisplay.cpp:222
#57 0x00007feb0d761410 in doActivate<false> (sender=0x5583052bb220, signal_index=3, argv=0x7ffc97610ab0) at kernel/qobject.cpp:3898
#58 0x00007feb0d75c347 in QMetaObject::activate (sender=sender@entry=0x5583052bb220, m=m@entry=0x7feb0da06460 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc97610ab0) at kernel/qobject.cpp:3946
#59 0x00007feb0d763b6a in QSocketNotifier::activated (this=this@entry=0x5583052bb220, _t1=..., _t2=<optimized out>, _t3=...) at .moc/moc_qsocketnotifier.cpp:178
#60 0x00007feb0d764383 in QSocketNotifier::event (this=0x5583052bb220, e=0x7ffc97610bb0) at kernel/qsocketnotifier.cpp:302
#61 0x00007feb0e627443 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5583052bb220, e=0x7ffc97610bb0) at kernel/qapplication.cpp:3632
#62 0x00007feb0d72d7b8 in QCoreApplication::notifyInternal2 (receiver=0x5583052bb220, event=0x7ffc97610bb0) at kernel/qcoreapplication.cpp:1064
#63 0x00007feb0d77f61f in socketNotifierSourceDispatch (source=0x5583052bbe80) at kernel/qeventdispatcher_glib.cpp:107
#64 0x00007feb0b2c633f in g_main_dispatch (context=0x5583052bb700) at ../glib/gmain.c:3381
#65 g_main_context_dispatch (context=0x5583052bb700) at ../glib/gmain.c:4099
#66 0x00007feb0b31b2b8 in g_main_context_iterate.constprop.0 (context=context@entry=0x5583052bb700, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4175
#67 0x00007feb0b2c39e3 in g_main_context_iteration (context=0x5583052bb700, may_block=1) at ../glib/gmain.c:4240
#68 0x00007feb0d77eb98 in QEventDispatcherGlib::processEvents (this=0x5583052b7b00, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#69 0x00007feb0d72c1c2 in QEventLoop::exec (this=this@entry=0x7ffc97610e20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#70 0x00007feb0e837a72 in QDialog::exec (this=0x558308946c40) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#71 0x00007feb0e86d404 in QInputDialog::getText (parent=<optimized out>, title=..., label=..., mode=mode@entry=QLineEdit::Normal, text=..., ok=0x0, flags=..., inputMethodHints=...) at dialogs/qinputdialog.cpp:1219
#72 0x0000558304b18326 in Server::getNextNickname (this=0x55830542a410) at /usr/src/debug/konversation-21.04.3-1.fc35.x86_64/src/irc/server.cpp:1352
#73 0x0000558304b6057e in InputFilter::parseNumeric (this=0x55830542a530, prefix=..., command=433, parameterList=..., messageTags=...) at /usr/src/debug/konversation-21.04.3-1.fc35.x86_64/src/irc/inputfilter.cpp:1583
#74 0x0000558304b148f1 in InputFilter::parseServerCommand (messageTags=..., parameterList=..., command=..., prefix=..., this=0x55830542a530) at /usr/src/debug/konversation-21.04.3-1.fc35.x86_64/src/irc/inputfilter.cpp:890
#75 InputFilter::parseLine (line=..., this=0x55830542a530) at /usr/src/debug/konversation-21.04.3-1.fc35.x86_64/src/irc/inputfilter.cpp:119
#76 Server::processIncomingData (this=0x55830542a410) at /usr/src/debug/konversation-21.04.3-1.fc35.x86_64/src/irc/server.cpp:1366
#77 0x00007feb0d7613c9 in QtPrivate::QSlotObjectBase::call (a=0x7ffc97611310, r=<optimized out>, this=0x55830592cf50) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#78 doActivate<false> (sender=0x55830542a480, signal_index=3, argv=0x7ffc97611310) at kernel/qobject.cpp:3886
#79 0x00007feb0d75c347 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7feb0da065a0 <QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc97611310) at kernel/qobject.cpp:3946
#80 0x00007feb0d76466e in QTimer::timeout (this=<optimized out>, _t1=...) at .moc/moc_qtimer.cpp:205
#81 0x00007feb0d757ebf in QObject::event (this=0x55830542a480, e=0x7ffc97611470) at kernel/qobject.cpp:1336
#82 0x00007feb0e627443 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55830542a480, e=0x7ffc97611470) at kernel/qapplication.cpp:3632
#83 0x00007feb0d72d7b8 in QCoreApplication::notifyInternal2 (receiver=0x55830542a480, event=0x7ffc97611470) at kernel/qcoreapplication.cpp:1064
#84 0x00007feb0d77de83 in QTimerInfoList::activateTimers (this=0x558305276270) at kernel/qtimerinfo_unix.cpp:643
#85 0x00007feb0d77e7d4 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:183
#86 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:230
#87 0x00007feb0b2c633f in g_main_dispatch (context=0x5583052bb700) at ../glib/gmain.c:3381
#88 g_main_context_dispatch (context=0x5583052bb700) at ../glib/gmain.c:4099
#89 0x00007feb0b31b2b8 in g_main_context_iterate.constprop.0 (context=context@entry=0x5583052bb700, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4175
#90 0x00007feb0b2c39e3 in g_main_context_iteration (context=0x5583052bb700, may_block=1) at ../glib/gmain.c:4240
#91 0x00007feb0d77eb98 in QEventDispatcherGlib::processEvents (this=0x5583052b7b00, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#92 0x00007feb0d72c1c2 in QEventLoop::exec (this=this@entry=0x7ffc97611710, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#93 0x00007feb0d734704 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#94 0x0000558304a93992 in main (argc=<optimized out>, argv=0x7ffc97611830) at /usr/src/debug/konversation-21.04.3-1.fc35.x86_64/src/main.cpp:149