[kde] [Bug 346656] New: System Settings crash upon adding KMenuEdit hotkeys

Sat Apr 25 18:35:20 BST 2015

https://bugs.kde.org/show_bug.cgi?id=346656

            Bug ID: 346656
           Summary: System Settings crash upon adding KMenuEdit hotkeys
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: dverbeek at xs4all.nl

Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
Opening this section 'Created Shortcuts' is extremely slow.
After setting one up and clicking Apply there is another hughe wait and
regularly a crash. Similar happens when trying to add such a hotkey through the
Kicker menu editor, it is likely to crash. If no crash there is still a good
chance the new keys are not retained. This is a fresh install of the new
release.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Systeeminstellingen (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd04abc5780 (LWP 1968))]

Thread 2 (Thread 0x7fd0383cd700 (LWP 1969)):
#0  0x00007fd04732e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fd045648b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fd04564a64f in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fd03b186099 in QXcbEventReader::run (this=0x1454940) at
qxcbconnection.cpp:1105
#4  0x00007fd0479afb0e in QThreadPrivate::start (arg=0x1454940) at
thread/qthread_unix.cpp:337
#5  0x00007fd0445626aa in start_thread (arg=0x7fd0383cd700) at
pthread_create.c:333
#6  0x00007fd047339eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fd04abc5780 (LWP 1968)):
[KCrash Handler]
#6  KHotKeys::ActionDataBase::parent (this=this at entry=0x18) at
../../libkhotkeysprivate/action_data/action_data_base.cpp:125
#7  0x00007fd029df04cf in KHotkeysModel::parent (this=0x1a2f3b0, index=...) at
../../kcm_hotkeys/hotkeys_model.cpp:576
#8  0x00007fd047b8e8f3 in parent (this=<optimized out>) at
itemmodels/qabstractitemmodel.h:480
#9  QPersistentModelIndex::parent (this=this at entry=0x19e5b48) at
itemmodels/qabstractitemmodel.cpp:365
#10 0x00007fd047ba86ad in QItemSelectionRange::isValid (this=0x19e5b40) at
itemmodels/qitemselectionmodel.h:123
#11 0x00007fd047ba2e76 in QItemSelection::merge
(this=this at entry=0x7ffffef19ec0, other=..., command=...) at
itemmodels/qitemselectionmodel.cpp:505
#12 0x00007fd047ba5afa in QItemSelectionModel::select (this=0x19f0670,
selection=..., command=...) at itemmodels/qitemselectionmodel.cpp:1227
#13 0x00007fd047ba02cc in QItemSelectionModel::select
(this=this at entry=0x19f0670, index=..., command=command at entry=...) at
itemmodels/qitemselectionmodel.cpp:1127
#14 0x00007fd047ba04db in QItemSelectionModel::setCurrentIndex (this=0x19f0670,
index=..., command=...) at itemmodels/qitemselectionmodel.cpp:1323
#15 0x00007fd048c3b023 in QAbstractItemView::setCurrentIndex (this=0x1913af0,
index=...) at itemviews/qabstractitemview.cpp:1060
#16 0x00007fd029de9571 in KCMHotkeys::showGlobalSettings (this=0x19c23e0) at
../../kcm_hotkeys/kcm_hotkeys.cpp:237
#17 0x00007fd047c1e9c9 in QMetaObject::activate (sender=sender at entry=0x1a2f3b0,
signalOffset=<optimized out>, local_signal_index=local_signal_index at entry=17,
argv=argv at entry=0x0) at kernel/qobject.cpp:3716
#18 0x00007fd047c1f057 in QMetaObject::activate (sender=sender at entry=0x1a2f3b0,
m=m at entry=0x7fd047e47a40 <QAbstractItemModel::staticMetaObject>,
local_signal_index=local_signal_index at entry=17, argv=argv at entry=0x0) at
kernel/qobject.cpp:3582
#19 0x00007fd047c9c633 in QAbstractItemModel::modelAboutToBeReset
(this=this at entry=0x1a2f3b0) at .moc/moc_qabstractitemmodel.cpp:476
#20 0x00007fd047b8f67b in QAbstractItemModel::beginResetModel
(this=this at entry=0x1a2f3b0) at itemmodels/qabstractitemmodel.cpp:3125
#21 0x00007fd029defd5e in reset (this=0x1a2f3b0) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qabstractitemmodel.h:368
#22 KHotkeysModel::load (this=0x1a2f3b0) at
../../kcm_hotkeys/hotkeys_model.cpp:476
#23 0x00007fd029deadc2 in KCMHotkeysPrivate::save (this=0x19c2f90) at
../../kcm_hotkeys/kcm_hotkeys.cpp:360
#24 0x00007fd029deb4dd in KCMHotkeys::save (this=0x19c23e0) at
../../kcm_hotkeys/kcm_hotkeys.cpp:257
#25 0x00007fd04a742077 in KCModuleProxy::save (this=<optimized out>) at
../../src/kcmoduleproxy.cpp:272
#26 0x00007fd04a972c13 in ModuleView::moduleSave (this=<optimized out>,
module=<optimized out>) at ../../core/ModuleView.cpp:295
#27 0x00007fd04a97392e in ModuleView::moduleSave (this=<optimized out>) at
../../core/ModuleView.cpp:286
#28 0x00007fd04a976585 in ModuleView::qt_static_metacall (_o=<optimized out>,
_c=<optimized out>, _id=<optimized out>, _a=0x7ffffef1a430) at
moc_ModuleView.cpp:120
#29 0x00007fd047c1e9c9 in QMetaObject::activate (sender=sender at entry=0x17d9f20,
signalOffset=<optimized out>, local_signal_index=local_signal_index at entry=2,
argv=argv at entry=0x7ffffef1a430) at kernel/qobject.cpp:3716
#30 0x00007fd047c1f057 in QMetaObject::activate (sender=sender at entry=0x17d9f20,
m=m at entry=0x7fd048f13a60 <QAbstractButton::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7ffffef1a430)
at kernel/qobject.cpp:3582
#31 0x00007fd048d88012 in QAbstractButton::clicked (this=this at entry=0x17d9f20,
_t1=false) at .moc/moc_qabstractbutton.cpp:298
#32 0x00007fd048ad5675 in QAbstractButtonPrivate::emitClicked (this=0x17d9f60)
at widgets/qabstractbutton.cpp:534
#33 0x00007fd048ad6299 in QAbstractButtonPrivate::click (this=0x17d9f60) at
widgets/qabstractbutton.cpp:527
#34 0x00007fd048ad6454 in QAbstractButton::mouseReleaseEvent (this=0x17d9f20,
e=0x7ffffef1a8f0) at widgets/qabstractbutton.cpp:1132
#35 0x00007fd048a1d1e8 in QWidget::event (this=0x17d9f20, event=0x7ffffef1a8f0)
at kernel/qwidget.cpp:9022
#36 0x00007fd0489d9b2c in QApplicationPrivate::notify_helper (this=0x1426550,
receiver=0x17d9f20, e=0x7ffffef1a8f0) at kernel/qapplication.cpp:3720
#37 0x00007fd0489df8eb in QApplication::notify (this=0x7ffffef1a630,
receiver=0x7ffffef1a650, e=0x7ffffef1a8f0) at kernel/qapplication.cpp:3280
#38 0x00007fd047bedc2b in QCoreApplication::notifyInternal
(this=0x7ffffef1b1c0, receiver=receiver at entry=0x17d9f20,
event=event at entry=0x7ffffef1a8f0) at kernel/qcoreapplication.cpp:935
#39 0x00007fd0489de3da in sendSpontaneousEvent (event=0x7ffffef1a8f0,
receiver=0x17d9f20) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#40 QApplicationPrivate::sendMouseEvent (receiver=0x17d9f20,
event=0x7ffffef1a8f0, alienWidget=0x17d9f20, nativeWidget=0x14bb460,
buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true) at
kernel/qapplication.cpp:2751
#41 0x00007fd048a35cc0 in QWidgetWindow::handleMouseEvent (this=0x167dd60,
event=0x7ffffef1ad00) at kernel/qwidgetwindow.cpp:543
#42 0x00007fd048a37e33 in QWidgetWindow::event (this=0x167dd60,
event=0x7ffffef1ad00) at kernel/qwidgetwindow.cpp:210
#43 0x00007fd0489d9b2c in QApplicationPrivate::notify_helper (this=0x1426550,
receiver=0x167dd60, e=0x7ffffef1ad00) at kernel/qapplication.cpp:3720
#44 0x00007fd0489df000 in QApplication::notify (this=0x7ffffef1b1c0,
receiver=0x167dd60, e=0x7ffffef1ad00) at kernel/qapplication.cpp:3503
#45 0x00007fd047bedc2b in QCoreApplication::notifyInternal
(this=0x7ffffef1b1c0, receiver=0x167dd60, event=0x7ffffef1ad00) at
kernel/qcoreapplication.cpp:935
#46 0x00007fd04841cf82 in sendSpontaneousEvent (event=<optimized out>,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#47 QGuiApplicationPrivate::processMouseEvent (e=0x1a4f3c0) at
kernel/qguiapplication.cpp:1774
#48 0x00007fd04841eb45 in QGuiApplicationPrivate::processWindowSystemEvent
(e=e at entry=0x1a4f3c0) at kernel/qguiapplication.cpp:1576
#49 0x00007fd04840334f in QWindowSystemInterface::sendWindowSystemEvents
(flags=...) at kernel/qwindowsysteminterface.cpp:572
#50 0x00007fd03b1b0590 in userEventSourceDispatch (source=<optimized out>) at
eventdispatchers/qeventdispatcher_glib.cpp:70
#51 0x00007fd044043c3d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007fd044043f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007fd044043fcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007fd047c46c57 in QEventDispatcherGlib::processEvents (this=0x14aad30,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#55 0x00007fd047beb3e2 in QEventLoop::exec (this=this at entry=0x7ffffef1b0a0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#56 0x00007fd047bf302c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1188
#57 0x00007fd04841431c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1510
#58 0x00007fd0489d57a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#59 0x000000000040eebc in main (argc=1, argv=<optimized out>) at
../../app/main.cpp:54

Reported using DrKonqi

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