Bug 373831

Summary: systemsettings crashed during any clicked operation. And also KDE was freezing.
Product: [Applications] systemsettings Reporter: Serkan KURT <sserkk>
Component: kcm_screenlockerAssignee: Plasma Bugs List <plasma-bugs-null>
Status: RESOLVED FIXED    
Severity: crash CC: bshah, kde, lacho8713, nate, rogergm70
Priority: NOR Keywords: drkonqi
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: Debian testing   
OS: Linux   
Latest Commit: https://invent.kde.org/plasma/kscreenlocker/-/commit/65f1447b6a4c24211cb182ca0225ebec8628a9cc Version Fixed/Implemented In: 5.20
Sentry Crash Report:

Description Serkan KURT 2016-12-18 14:30:25 UTC 
Application: systemsettings5 (5.8.2)

Qt Version: 5.7.1
Frameworks Version: 5.27.0
Operating System: Linux 4.8.0-2-amd64 x86_64
Distribution: Debian GNU/Linux testing (stretch)

-- Information about the crash:
- What I was doing when the application crashed: I was changing settings in workspace behevior. Sometimes KDE desktop was freezing if I do anything but linux normally run. Ctrl + F4 after Ctrl + F7 KDE run again.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Sistem Ayarları (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3976b5f5c0 (LWP 3771))]

Thread 8 (Thread 0x7f3950256700 (LWP 4254)):
#0  0x00007ffd99df1b0b in clock_gettime ()
#1  0x00007f3981ff6886 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7f3950255a40) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f3982774001 in qt_clock_gettime (ts=0x7f3950255a40, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:109
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:164
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:173
#5  0x00007f39828fc379 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f3904001470) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007f39828fc925 in QTimerInfoList::timerWait (this=0x7f3904001470, tm=...) at kernel/qtimerinfo_unix.cpp:388
#7  0x00007f39828fdcce in timerSourcePrepareHelper (timeout=0x7f3950255b14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:132
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f3950255b14) at kernel/qeventdispatcher_glib.cpp:165
#9  0x00007f397d2deedd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f397d2df91b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f397d2dfb0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f39828fe6fb in QEventDispatcherGlib::processEvents (this=0x7f39040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#13 0x00007f39828a807a in QEventLoop::exec (this=this@entry=0x7f3950255ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#14 0x00007f39826ca0d3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:507
#15 0x00007f39810505d5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f39826ced88 in QThreadPrivate::start (arg=0x1bc15d0) at thread/qthread_unix.cpp:368
#17 0x00007f397f1ef464 in start_thread (arg=0x7f3950256700) at pthread_create.c:333
#18 0x00007f3981fe99df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 0x7f395bdfc700 (LWP 4253)):
#0  0x00007f397d324fe9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f397d2deee9 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f397d2df91b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f397d2dfb0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f39828fe6fb in QEventDispatcherGlib::processEvents (this=0x7f39540448a0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f39828a807a in QEventLoop::exec (this=this@entry=0x7f395bdfbce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f39826ca0d3 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:507
#7  0x00007f39810505d5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f39826ced88 in QThreadPrivate::start (arg=0x1a3d2c0) at thread/qthread_unix.cpp:368
#9  0x00007f397f1ef464 in start_thread (arg=0x7f395bdfc700) at pthread_create.c:333
#10 0x00007f3981fe99df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 0x7f393e7fb700 (LWP 3897)):
#0  0x00007f397d2defe0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f397d2df91b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f397d2dfb0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f394c1d746d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007f397d307345 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f397f1ef464 in start_thread (arg=0x7f393e7fb700) at pthread_create.c:333
#6  0x00007f3981fe99df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 0x7f393effc700 (LWP 3896)):
#0  0x00007f397d2dc9c7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f397d2df334 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f397d2df994 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f397d2dfd82 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f394f28b4f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f397d307345 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f397f1ef464 in start_thread (arg=0x7f393effc700) at pthread_create.c:333
#7  0x00007f3981fe99df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7f393f7fd700 (LWP 3895)):
#0  0x00007f397d324fe9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f397d2de8c0 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f397d2df8a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f397d2dfb0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f397d2dfb51 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f397d307345 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f397f1ef464 in start_thread (arg=0x7f393f7fd700) at pthread_create.c:333
#7  0x00007f3981fe99df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7f396b955700 (LWP 3774)):
#0  0x00007ffd99df1b0b in clock_gettime ()
#1  0x00007f3981ff6886 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7f396b954a30) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f3982774001 in qt_clock_gettime (ts=0x7f396b954a30, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:109
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:164
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:173
#5  0x00007f39828fc379 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f3964002ed0) at kernel/qtimerinfo_unix.cpp:91
#6  0x00007f39828fc925 in QTimerInfoList::timerWait (this=0x7f3964002ed0, tm=...) at kernel/qtimerinfo_unix.cpp:388
#7  0x00007f39828fdcce in timerSourcePrepareHelper (timeout=0x7f396b954b04, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:132
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f396b954b04) at kernel/qeventdispatcher_glib.cpp:165
#9  0x00007f397d2deedd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f397d2df91b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f397d2dfb0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f39828fe6fb in QEventDispatcherGlib::processEvents (this=0x7f39640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#13 0x00007f39828a807a in QEventLoop::exec (this=this@entry=0x7f396b954cd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#14 0x00007f39826ca0d3 in QThread::exec (this=this@entry=0x7f3985a79d60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:507
#15 0x00007f3985a046d5 in QDBusConnectionManager::run (this=0x7f3985a79d60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#16 0x00007f39826ced88 in QThreadPrivate::start (arg=0x7f3985a79d60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368
#17 0x00007f397f1ef464 in start_thread (arg=0x7f396b955700) at pthread_create.c:333
#18 0x00007f3981fe99df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7f3974371700 (LWP 3773)):
#0  0x00007f3981fe056d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f397fa69150 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f397fa6aee9 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f39768d0b69 in QXcbEventReader::run (this=0x14a1410) at qxcbconnection.cpp:1343
#4  0x00007f39826ced88 in QThreadPrivate::start (arg=0x14a1410) at thread/qthread_unix.cpp:368
#5  0x00007f397f1ef464 in start_thread (arg=0x7f3974371700) at pthread_create.c:333
#6  0x00007f3981fe99df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7f3976b5f5c0 (LWP 3771)):
[KCrash Handler]
#6  0x00007f39828d44ae in QObjectPrivate::deleteChildren (this=this@entry=0x1a85fd0) at kernel/qobject.cpp:1970
#7  0x00007f3983dd6b2b in QWidget::~QWidget (this=0x2e19b20, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#8  0x00007f3983dd6e19 in QWidget::~QWidget (this=0x2e19b20, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1714
#9  0x00007f39828d44b1 in QObjectPrivate::deleteChildren (this=this@entry=0x2d8f360) at kernel/qobject.cpp:1970
#10 0x00007f3983dd6b2b in QWidget::~QWidget (this=0x1d49d00, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#11 0x00007f3983f24609 in QStackedWidget::~QStackedWidget (this=0x1d49d00, __in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:149
#12 0x00007f39828d44b1 in QObjectPrivate::deleteChildren (this=this@entry=0x240fa60) at kernel/qobject.cpp:1970
#13 0x00007f3983dd6b2b in QWidget::~QWidget (this=0x1d49cc0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#14 0x00007f3983f313d9 in QTabWidget::~QTabWidget (this=0x1d49cc0, __in_chrg=<optimized out>) at widgets/qtabwidget.cpp:363
#15 0x00007f39828d44b1 in QObjectPrivate::deleteChildren (this=this@entry=0x1d49af0) at kernel/qobject.cpp:1970
#16 0x00007f3983dd6b2b in QWidget::~QWidget (this=0x35f6c70, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#17 0x00007f3940a6d71e in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/screenlocker_kcm.so
#18 0x00007f39828d44b1 in QObjectPrivate::deleteChildren (this=this@entry=0x2dcfff0) at kernel/qobject.cpp:1970
#19 0x00007f3983dd6b2b in QWidget::~QWidget (this=0x24a8c40, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#20 0x00007f3984a7c2dd in KCModule::~KCModule() () from /usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5
#21 0x00007f3940a71d7b in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/screenlocker_kcm.so
#22 0x00007f3985462074 in KCModuleProxy::deleteClient() () from /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#23 0x00007f398546211c in KCModuleProxy::~KCModuleProxy() () from /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#24 0x00007f39854622d9 in KCModuleProxy::~KCModuleProxy() () from /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#25 0x00007f39828d44b1 in QObjectPrivate::deleteChildren (this=this@entry=0x1bc8740) at kernel/qobject.cpp:1970
#26 0x00007f3983dd6b2b in QWidget::~QWidget (this=0x1dc36a0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#27 0x00007f3983dd6e19 in QWidget::~QWidget (this=0x1dc36a0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1714
#28 0x00007f39828d44b1 in QObjectPrivate::deleteChildren (this=this@entry=0x24403e0) at kernel/qobject.cpp:1970
#29 0x00007f3983dd6b2b in QWidget::~QWidget (this=0x1dc35d0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1694
#30 0x00007f3983f4f679 in QScrollArea::~QScrollArea (this=0x1dc35d0, __in_chrg=<optimized out>) at widgets/qscrollarea.cpp:174
#31 0x00007f398439366f in KPageWidgetItem::~KPageWidgetItem() () from /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#32 0x00007f3984393719 in KPageWidgetItem::~KPageWidgetItem() () from /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#33 0x00007f39843941bb in ?? () from /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#34 0x00007f3984394dde in KPageWidgetModel::removePage(KPageWidgetItem*) () from /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#35 0x00007f398569dac5 in ModuleView::closeModules() () from /usr/lib/x86_64-linux-gnu/libsystemsettingsview.so.3
#36 0x00007f395e53b2ce in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/icon_mode.so
#37 0x00007f39828d5c89 in QMetaObject::activate (sender=sender@entry=0x17a3600, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffd99ddf2d0) at kernel/qobject.cpp:3740
#38 0x00007f39828d65a7 in QMetaObject::activate (sender=sender@entry=0x17a3600, m=m@entry=0x7f398426cf60 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffd99ddf2d0) at kernel/qobject.cpp:3602
#39 0x00007f3983d8d162 in QAction::triggered (this=this@entry=0x17a3600, _t1=<optimized out>) at .moc/moc_qaction.cpp:369
#40 0x00007f3983d8fb50 in QAction::activate (this=0x17a3600, event=<optimized out>) at kernel/qaction.cpp:1170
#41 0x00007f3983e7d73d in QAbstractButtonPrivate::click (this=0x181ff80) at widgets/qabstractbutton.cpp:393
#42 0x00007f3983e7d974 in QAbstractButton::mouseReleaseEvent (this=0x181fb70, e=0x7ffd99ddf7f0) at widgets/qabstractbutton.cpp:1009
#43 0x00007f3983f49a1a in QToolButton::mouseReleaseEvent (this=<optimized out>, e=<optimized out>) at widgets/qtoolbutton.cpp:616
#44 0x00007f3983ddb1d8 in QWidget::event (this=0x181fb70, event=0x7ffd99ddf7f0) at kernel/qwidget.cpp:9161
#45 0x00007f3983e7eb81 in QAbstractButton::event (this=this@entry=0x181fb70, e=e@entry=0x7ffd99ddf7f0) at widgets/qabstractbutton.cpp:966
#46 0x00007f3983f49af9 in QToolButton::event (this=0x181fb70, event=0x7ffd99ddf7f0) at widgets/qtoolbutton.cpp:982
#47 0x00007f3983d93b2c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x181fb70, e=0x7ffd99ddf7f0) at kernel/qapplication.cpp:3799
#48 0x00007f3983d9c19d in QApplication::notify (this=<optimized out>, receiver=0x181fb70, e=0x7ffd99ddf7f0) at kernel/qapplication.cpp:3273
#49 0x00007f39828aa090 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x181fb70, event=event@entry=0x7ffd99ddf7f0) at kernel/qcoreapplication.cpp:988
#50 0x00007f3983d9a84d in QCoreApplication::sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#51 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x181fb70, event=event@entry=0x7ffd99ddf7f0, alienWidget=alienWidget@entry=0x181fb70, nativeWidget=0x1605aa0, buttonDown=buttonDown@entry=0x7f398429bcb0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2771
#52 0x00007f3983df5866 in QWidgetWindow::handleMouseEvent (this=this@entry=0x1bb2370, event=event@entry=0x7ffd99ddfc10) at kernel/qwidgetwindow.cpp:617
#53 0x00007f3983df8273 in QWidgetWindow::event (this=0x1bb2370, event=0x7ffd99ddfc10) at kernel/qwidgetwindow.cpp:239
#54 0x00007f3983d93b2c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x1bb2370, e=0x7ffd99ddfc10) at kernel/qapplication.cpp:3799
#55 0x00007f3983d9b2e1 in QApplication::notify (this=0x7ffd99de00d0, receiver=0x1bb2370, e=0x7ffd99ddfc10) at kernel/qapplication.cpp:3556
#56 0x00007f39828aa090 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x1bb2370, event=event@entry=0x7ffd99ddfc10) at kernel/qcoreapplication.cpp:988
#57 0x00007f39837f8b03 in QCoreApplication::sendSpontaneousEvent (event=0x7ffd99ddfc10, receiver=0x1bb2370) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#58 QGuiApplicationPrivate::processMouseEvent (e=0x4748260) at kernel/qguiapplication.cpp:1903
#59 0x00007f39837fa685 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x4748260) at kernel/qguiapplication.cpp:1687
#60 0x00007f39837d861b in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:659
#61 0x00007f39769074e0 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:76
#62 0x00007f397d2df7f7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#63 0x00007f397d2dfa60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#64 0x00007f397d2dfb0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#65 0x00007f39828fe6df in QEventDispatcherGlib::processEvents (this=0x14dcd80, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#66 0x00007f39828a807a in QEventLoop::exec (this=this@entry=0x7ffd99ddffb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#67 0x00007f39828b07ec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1261
#68 0x000000000040c0d3 in ?? ()
#69 0x00007f3981f212b1 in __libc_start_main (main=0x40bcd0, argc=1, argv=0x7ffd99de0208, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd99de01f8) at ../csu/libc-start.c:291
#70 0x000000000040c14a in _start ()

Possible duplicates by query: bug 373811, bug 373793, bug 373735, bug 373731, bug 373330.

Reported using DrKonqi
Comment 1 Christoph Feck 2016-12-31 05:50:47 UTC 
*** Bug 374232 has been marked as a duplicate of this bug. ***
Comment 2 Christoph Feck 2017-01-10 18:48:00 UTC 
*** Bug 374495 has been marked as a duplicate of this bug. ***
Comment 3 Kai Uwe Broulik 2018-07-20 13:11:09 UTC 
Crashes on teardown of the screen locker KCM
Comment 4 Nate Graham 2020-07-01 15:20:31 UTC 
Fixed in the QML rewrite.