Bug 413639

Application: kinfocenter (5.17.2)

Qt Version: 5.13.1
Frameworks Version: 5.64.0
Operating System: Linux 5.0.0-32-generic x86_64
Distribution: KDE neon Testing Edition

-- Information about the crash:
- What I was doing when the application crashed:
I just opened Energy Information on my laptop, crash happens constantly.

The crash can be reproduced every time.

-- Backtrace:
Application: Info Center (kinfocenter), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5f38210d40 (LWP 31174))]

Thread 5 (Thread 0x7f5f0e470700 (LWP 31181)):
#0  0x00007f5f344b4bf9 in __GI___poll (fds=0x7f5f002d6f30, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f5f2dbff5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5f2dbff6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5f34e079db in QEventDispatcherGlib::processEvents (this=0x7f5f00178240, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f5f34da7eaa in QEventLoop::exec (this=this@entry=0x7f5f0e46fd80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f5f34bc33ca in QThread::exec (this=this@entry=0x56375a1544e0) at thread/qthread.cpp:531
#6  0x00007f5f33323cb5 in QQmlThreadPrivate::run (this=0x56375a1544e0) at qml/ftw/qqmlthread.cpp:152
#7  0x00007f5f34bc4b72 in QThreadPrivate::start (arg=0x56375a1544e0) at thread/qthread_unix.cpp:360
#8  0x00007f5f2f9466db in start_thread (arg=0x7f5f0e470700) at pthread_create.c:463
#9  0x00007f5f344c188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f5f0fc82700 (LWP 31178)):
#0  0x00007f5f2f94c9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563759fbb948) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x563759fbb8f8, cond=0x563759fbb920) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x563759fbb920, mutex=0x563759fbb8f8) at pthread_cond_wait.c:655
#3  0x00007f5f110962cb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f5f11095ff7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f5f2f9466db in start_thread (arg=0x7f5f0fc82700) at pthread_create.c:463
#6  0x00007f5f344c188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f5f1cf8a700 (LWP 31177)):
#0  0x00007f5f34e07d13 in idleTimerSourcePrepare (source=<optimized out>, timeout=0x7f5f1cf89ba4) at kernel/qeventdispatcher_glib.cpp:206
#1  0x00007f5f2dbfeb28 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5f2dbff4fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5f2dbff6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5f34e079db in QEventDispatcherGlib::processEvents (this=0x7f5f18000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f5f34da7eaa in QEventLoop::exec (this=this@entry=0x7f5f1cf89d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f5f34bc33ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#7  0x00007f5f324e30e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f5f34bc4b72 in QThreadPrivate::start (arg=0x7f5f3275ad80) at thread/qthread_unix.cpp:360
#9  0x00007f5f2f9466db in start_thread (arg=0x7f5f1cf8a700) at pthread_create.c:463
#10 0x00007f5f344c188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f5f24ec5700 (LWP 31176)):
#0  0x00007f5f344b4bf9 in __GI___poll (fds=0x7f5f24ec4ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f5f2ff75747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f5f2ff7736a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f5f27caaf00 in QXcbEventQueue::run (this=0x563759d86960) at qxcbeventqueue.cpp:228
#4  0x00007f5f34bc4b72 in QThreadPrivate::start (arg=0x563759d86960) at thread/qthread_unix.cpp:360
#5  0x00007f5f2f9466db in start_thread (arg=0x7f5f24ec5700) at pthread_create.c:463
#6  0x00007f5f344c188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f5f38210d40 (LWP 31174)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f5f34dd87a3 in QObject::property (this=0x563759ec3b70, name=name@entry=0x7f5f0c979d94 "gridUnit") at kernel/qobject.cpp:3974
#8  0x00007f5f0c95a7ee in ColumnView::<lambda()>::operator() (__closure=<synthetic pointer>) at ./src/columnview.cpp:1422
#9  ColumnView::classBegin (this=0x56375a61c400) at ./src/columnview.cpp:1427
#10 0x00007f5f3330d727 in QQmlObjectCreator::createInstance (this=this@entry=0x7fff498cfbc0, index=38, parent=<optimized out>, isContextObject=isContextObject@entry=false) at qml/qqmlobjectcreator.cpp:1280
#11 0x00007f5f3330be00 in QQmlObjectCreator::setPropertyBinding (this=this@entry=0x7fff498cfbc0, bindingProperty=0x7f5f001059f8, binding=binding@entry=0x7f5f0d40ee3c) at qml/qqmlobjectcreator.cpp:856
#12 0x00007f5f3330c54b in QQmlObjectCreator::setupBindings (this=this@entry=0x7fff498cfbc0, applyDeferredBindings=applyDeferredBindings@entry=false) at qml/qqmlobjectcreator.cpp:808
#13 0x00007f5f3330d11b in QQmlObjectCreator::populateInstance (this=this@entry=0x7fff498cfbc0, index=-1, index@entry=0, instance=0x0, bindingTarget=0x0, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1500
#14 0x00007f5f3330dc10 in QQmlObjectCreator::createInstance (this=this@entry=0x7fff498cfbc0, index=index@entry=0, parent=parent@entry=0x0, isContextObject=isContextObject@entry=true) at qml/qqmlobjectcreator.cpp:1337
#15 0x00007f5f3330e940 in QQmlObjectCreator::create (this=0x7fff498cfbc0, subComponentIndex=<optimized out>, parent=0x0, interrupt=<optimized out>) at qml/qqmlobjectcreator.cpp:203
#16 0x00007f5f3330e01d in QQmlObjectCreator::createInstance (this=this@entry=0x7fff498d0310, index=1, parent=0x56375a1c0050, isContextObject=isContextObject@entry=false) at qml/qqmlobjectcreator.cpp:1233
#17 0x00007f5f3330be00 in QQmlObjectCreator::setPropertyBinding (this=this@entry=0x7fff498d0310, bindingProperty=0x7f5f001ba808, binding=binding@entry=0x7f5f0d3f99fc) at qml/qqmlobjectcreator.cpp:856
#18 0x00007f5f3330c54b in QQmlObjectCreator::setupBindings (this=this@entry=0x7fff498d0310, applyDeferredBindings=applyDeferredBindings@entry=false) at qml/qqmlobjectcreator.cpp:808
#19 0x00007f5f3330d11b in QQmlObjectCreator::populateInstance (this=this@entry=0x7fff498d0310, index=-1, index@entry=0, instance=0x0, bindingTarget=0x0, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1500
#20 0x00007f5f3330dc10 in QQmlObjectCreator::createInstance (this=this@entry=0x7fff498d0310, index=index@entry=0, parent=parent@entry=0x0, isContextObject=isContextObject@entry=true) at qml/qqmlobjectcreator.cpp:1337
#21 0x00007f5f3330e940 in QQmlObjectCreator::create (this=0x7fff498d0310, subComponentIndex=<optimized out>, parent=0x0, interrupt=<optimized out>) at qml/qqmlobjectcreator.cpp:203
#22 0x00007f5f3330e01d in QQmlObjectCreator::createInstance (this=this@entry=0x563759eb4e90, index=index@entry=0, parent=parent@entry=0x0, isContextObject=isContextObject@entry=true) at qml/qqmlobjectcreator.cpp:1233
#23 0x00007f5f3330e940 in QQmlObjectCreator::create (this=this@entry=0x563759eb4e90, subComponentIndex=<optimized out>, parent=parent@entry=0x0, interrupt=interrupt@entry=0x0) at qml/qqmlobjectcreator.cpp:203
#24 0x00007f5f3328fd7c in QQmlComponentPrivate::beginCreate (this=0x56375a68af80, context=<optimized out>) at qml/qqmlcomponent.cpp:883
#25 0x00007f5f3328e28b in QQmlComponent::create (this=0x56375a23aaf0, context=0x56375a3f4a70) at qml/qqmlcomponent.cpp:795
#26 0x00007f5f37dfd7a1 in KCModuleQml::KCModuleQml (this=0x56375a271150, configModule=..., parent=<optimized out>, args=...) at ./src/kcmoduleqml.cpp:154
#27 0x00007f5f37dfb24e in KCModuleLoader::loadModule (mod=..., report=report@entry=KCModuleLoader::Inline, parent=0x56375a695bf0, args=...) at ./src/kcmoduleloader.cpp:108
#28 0x00007f5f37e026bf in KCModuleProxyPrivate::loadModule (this=this@entry=0x56375a310080) at ./src/kcmoduleproxy.cpp:94
#29 0x00007f5f37e03218 in KCModuleProxy::realModule (this=<optimized out>) at ./src/kcmoduleproxy.cpp:67
#30 0x00005637592d88b0 in KcmContainer::setKcm (this=0x563759e99900, info=...) at ./kcmcontainer.cpp:87
#31 0x00005637592d5486 in KInfoCenter::setKcm (this=this@entry=0x563759e14d00, kcmItem=kcmItem@entry=0x563759ece7c0) at ./infocenter.cpp:217
#32 0x00005637592d5520 in KInfoCenter::itemClickedSlot (this=0x563759e14d00, item=0x563759ece7c0) at ./infocenter.cpp:209
#33 0x00005637592dc230 in KInfoCenter::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./obj-x86_64-linux-gnu/kinfocenter_autogen/EWIEGA46WW/moc_infocenter.cpp:89
#34 0x00007f5f34dda715 in QMetaObject::activate (sender=0x563759dd16b0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=<optimized out>, argv@entry=0x7fff498d0c40) at kernel/qobject.cpp:3809
#35 0x00007f5f34ddadd7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x5637594e1300 <SidePanel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff498d0c40) at kernel/qobject.cpp:3660
#36 0x00005637592dbfaf in SidePanel::clicked (this=<optimized out>, _t1=<optimized out>) at ./obj-x86_64-linux-gnu/kinfocenter_autogen/EWIEGA46WW/moc_sidepanel.cpp:172
#37 0x00007f5f34dda82f in QtPrivate::QSlotObjectBase::call (a=0x7fff498d0d70, r=0x563759dd16b0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#38 QMetaObject::activate (sender=sender@entry=0x563759dd16b0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=<optimized out>, argv@entry=0x7fff498d0d70) at kernel/qobject.cpp:3789
#39 0x00007f5f34ddadd7 in QMetaObject::activate (sender=sender@entry=0x563759dd16b0, m=m@entry=0x7f5f362a6ca0 <QAbstractItemView::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff498d0d70) at kernel/qobject.cpp:3660
#40 0x00007f5f35e01055 in QAbstractItemView::clicked (this=this@entry=0x563759dd16b0, _t1=...) at .moc/moc_qabstractitemview.cpp:654
#41 0x00007f5f35e04123 in QAbstractItemView::mouseReleaseEvent (this=this@entry=0x563759dd16b0, event=event@entry=0x7fff498d1640) at itemviews/qabstractitemview.cpp:1931
#42 0x00007f5f35e77c43 in QTreeView::mouseReleaseEvent (this=0x563759dd16b0, event=0x7fff498d1640) at itemviews/qtreeview.cpp:1901
#43 0x00007f5f35befbf8 in QWidget::event (this=this@entry=0x563759dd16b0, event=event@entry=0x7fff498d1640) at kernel/qwidget.cpp:9339
#44 0x00007f5f35c946be in QFrame::event (this=0x563759dd16b0, e=0x7fff498d1640) at widgets/qframe.cpp:550
#45 0x00007f5f35e0d013 in QAbstractItemView::viewportEvent (this=this@entry=0x563759dd16b0, event=event@entry=0x7fff498d1640) at itemviews/qabstractitemview.cpp:1753
#46 0x00007f5f35e7745c in QTreeView::viewportEvent (this=0x563759dd16b0, event=0x7fff498d1640) at itemviews/qtreeview.cpp:1311
#47 0x00007f5f34da9acd in QCoreApplicationPrivate::sendThroughObjectEventFilters (receiver=receiver@entry=0x563759e85b30, event=event@entry=0x7fff498d1640) at kernel/qcoreapplication.cpp:1221
#48 0x00007f5f35baee85 in QApplicationPrivate::notify_helper (this=this@entry=0x563759d662b0, receiver=receiver@entry=0x563759e85b30, e=e@entry=0x7fff498d1640) at kernel/qapplication.cpp:3697
#49 0x00007f5f35bb7388 in QApplication::notify (this=<optimized out>, receiver=0x563759e85b30, e=0x7fff498d1640) at kernel/qapplication.cpp:3163
#50 0x00007f5f34da9d48 in QCoreApplication::notifyInternal2 (receiver=0x563759e85b30, event=0x7fff498d1640) at kernel/qcoreapplication.cpp:1095
#51 0x00007f5f34da9f2e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x563759e85b30, event=event@entry=0x7fff498d1640) at kernel/qcoreapplication.cpp:1502
#52 0x00007f5f35bb597f in QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x563759e85b30, event=event@entry=0x7fff498d1640, alienWidget=0x563759e85b30, nativeWidget=0x563759e14d00, buttonDown=buttonDown@entry=0x7f5f362b78b0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2649
#53 0x00007f5f35c0a591 in QWidgetWindow::handleMouseEvent (this=this@entry=0x563759fbc310, event=event@entry=0x7fff498d1ad0) at kernel/qwidgetwindow.cpp:662
#54 0x00007f5f35c0d3ea in QWidgetWindow::event (this=0x563759fbc310, event=0x7fff498d1ad0) at kernel/qwidgetwindow.cpp:281
#55 0x00007f5f35baeeac in QApplicationPrivate::notify_helper (this=this@entry=0x563759d662b0, receiver=receiver@entry=0x563759fbc310, e=e@entry=0x7fff498d1ad0) at kernel/qapplication.cpp:3703
#56 0x00007f5f35bb64b0 in QApplication::notify (this=0x7fff498d1ee0, receiver=0x563759fbc310, e=0x7fff498d1ad0) at kernel/qapplication.cpp:3449
#57 0x00007f5f34da9d48 in QCoreApplication::notifyInternal2 (receiver=0x563759fbc310, event=0x7fff498d1ad0) at kernel/qcoreapplication.cpp:1095
#58 0x00007f5f34da9f2e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x563759fbc310, event=event@entry=0x7fff498d1ad0) at kernel/qcoreapplication.cpp:1502
#59 0x00007f5f3537d285 in QGuiApplicationPrivate::processMouseEvent (e=0x56375a645020) at kernel/qguiapplication.cpp:2111
#60 0x00007f5f3537e3d5 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x56375a645020) at kernel/qguiapplication.cpp:1846
#61 0x00007f5f3535871b in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1148
#62 0x00007f5f27cabeca in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#63 0x00007f5f2dbff417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#64 0x00007f5f2dbff650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007f5f2dbff6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#66 0x00007f5f34e079bf in QEventDispatcherGlib::processEvents (this=0x563759dcc400, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#67 0x00007f5f34da7eaa in QEventLoop::exec (this=this@entry=0x7fff498d1e70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#68 0x00007f5f34db1220 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1403
#69 0x00005637592d42e9 in main (argc=<optimized out>, argv=<optimized out>) at ./main.cpp:79

The reporter indicates this bug may be a duplicate of or related to bug 413614.

Possible duplicates by query: bug 413614, bug 375527, bug 372913, bug 351275, bug 349162.

Reported using DrKonqi