[kde] [Bug 348037] New: window decorations crash

tyler tysmiley at outlook.com
Thu May 21 06:41:06 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=348037

            Bug ID: 348037
           Summary: window decorations crash
           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: tysmiley at outlook.com

Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-18-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:

When changing window decoration themes, System Settings crashes and titlebars
do not display.

The crash can be reproduced sometimes.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdfa3316780 (LWP 5251))]

Thread 4 (Thread 0x7fdf92a8f700 (LWP 5254)):
#0  0x00007fdf9fa7a8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fdf9dd94b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fdf9dd9664f in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fdf94fda099 in QXcbEventReader::run (this=0xe6bb30) at
qxcbconnection.cpp:1105
#4  0x00007fdfa00fbb0e in QThreadPrivate::start (arg=0xe6bb30) at
thread/qthread_unix.cpp:337
#5  0x00007fdf9ccae6aa in start_thread (arg=0x7fdf92a8f700) at
pthread_create.c:333
#6  0x00007fdf9fa85eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fdf837d8700 (LWP 5271)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdf868154fb in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007fdf86814c87 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007fdf9ccae6aa in start_thread (arg=0x7fdf837d8700) at
pthread_create.c:333
#4  0x00007fdf9fa85eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fdf7f94e700 (LWP 5676)):
#0  0x00007fdf9fa7a8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fdf9c78febc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdf9c78ffcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdfa0392c6c in QEventDispatcherGlib::processEvents
(this=0x7fdf780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fdfa03373e2 in QEventLoop::exec (this=this at entry=0x7fdf7f94de20,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fdfa00f6b44 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#6  0x00007fdf9f0c1f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fdfa00fbb0e in QThreadPrivate::start (arg=0x1233980) at
thread/qthread_unix.cpp:337
#8  0x00007fdf9ccae6aa in start_thread (arg=0x7fdf7f94e700) at
pthread_create.c:333
#9  0x00007fdf9fa85eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fdfa3316780 (LWP 5251)):
[KCrash Handler]
#6  0x00007fdf9efe2f97 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fdf9ef8d151 in QV4::ExecutionEngine::~ExecutionEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fdf9f0c50d5 in QV8Engine::~QV8Engine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fdf9f0c52b9 in QV8Engine::~QV8Engine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fdf9ef2a061 in QJSEngine::~QJSEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007fdf9f0273c5 in QQmlEngine::~QQmlEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007fdf9f027499 in QQmlEngine::~QQmlEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fdf7c470be2 in cleanup (pointer=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:54
#14 reset (other=0x0, this=0x7fdf7c6fe6c8
<Aurorae::Helper::instance()::s_helper+8>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:149
#15 Aurorae::Helper::unref (this=0x7fdf7c6fe6c0
<Aurorae::Helper::instance()::s_helper>) at
../../../../clients/aurorae/src/aurorae.cpp:119
#16 0x00007fdf7c474908 in unref (this=<optimized out>) at
../../../../clients/aurorae/src/aurorae.cpp:273
#17 Aurorae::Decoration::~Decoration (this=0x3e8d1b0, __in_chrg=<optimized
out>) at ../../../../clients/aurorae/src/aurorae.cpp:267
#18 0x00007fdf7c474929 in Aurorae::Decoration::~Decoration (this=0x3e8d1b0,
__in_chrg=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:280
#19 0x00007fdfa036b778 in QObject::event (this=0x3e8d1b0, e=<optimized out>) at
kernel/qobject.cpp:1236
#20 0x00007fdfa1125b2c in QApplicationPrivate::notify_helper (this=0xe50b10,
receiver=0x3e8d1b0, e=0x22dd440) at kernel/qapplication.cpp:3720
#21 0x00007fdfa112b000 in QApplication::notify (this=0x7ffd2a2cf130,
receiver=0x3e8d1b0, e=0x22dd440) at kernel/qapplication.cpp:3503
#22 0x00007fdfa0339c2b in QCoreApplication::notifyInternal
(this=0x7ffd2a2cf130, receiver=0x3e8d1b0, event=event at entry=0x22dd440) at
kernel/qcoreapplication.cpp:935
#23 0x00007fdfa033bc9b in sendEvent (event=0x22dd440, receiver=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52,
data=0xe4fd60) at kernel/qcoreapplication.cpp:1552
#25 0x00007fdf9eb6ab6e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007fdf9eb9c463 in QQuickWindow::~QQuickWindow() () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#27 0x00007fdf9ec4ba49 in QQuickView::~QQuickView() () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#28 0x00007fdfa1184dd5 in QWindowContainer::~QWindowContainer (this=0x13de850,
__in_chrg=<optimized out>) at kernel/qwindowcontainer.cpp:219
#29 0x00007fdfa1184df9 in QWindowContainer::~QWindowContainer (this=0x13de850,
__in_chrg=<optimized out>) at kernel/qwindowcontainer.cpp:220
#30 0x00007fdfa036918c in QObjectPrivate::deleteChildren
(this=this at entry=0x1205080) at kernel/qobject.cpp:1950
#31 0x00007fdfa116557a in QWidget::~QWidget (this=0x1205040,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1642
#32 0x00007fdfa11657e9 in QWidget::~QWidget (this=0x1205040,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1662
#33 0x00007fdfa036918c in QObjectPrivate::deleteChildren
(this=this at entry=0x12342e0) at kernel/qobject.cpp:1950
#34 0x00007fdfa116557a in QWidget::~QWidget (this=0x11b16a0,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1642
#35 0x00007fdf8000c4fe in ~ConfigurationForm (this=0x11b16a0,
__in_chrg=<optimized out>) at ../../../kcmkwin/kwindecoration/kcm.h:41
#36 KDecoration2::Configuration::ConfigurationForm::~ConfigurationForm
(this=0x11b16a0, __in_chrg=<optimized out>) at
../../../kcmkwin/kwindecoration/kcm.h:41
#37 0x00007fdfa036918c in QObjectPrivate::deleteChildren
(this=this at entry=0x1004ee0) at kernel/qobject.cpp:1950
#38 0x00007fdfa116557a in QWidget::~QWidget (this=0x1231bb0,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1642
#39 0x00007fdfa1c091c7 in KCModule::~KCModule (this=0x1231bb0,
__in_chrg=<optimized out>) at ../../src/kcmodule.cpp:177
#40 0x00007fdf800071a1 in ~ConfigurationModule (this=0x1231bb0,
__in_chrg=<optimized out>) at ../../../kcmkwin/kwindecoration/kcm.h:47
#41 KDecoration2::Configuration::ConfigurationModule::~ConfigurationModule
(this=0x1231bb0, __in_chrg=<optimized out>) at
../../../kcmkwin/kwindecoration/kcm.h:47
#42 0x00007fdfa2e8ce34 in KCModuleProxy::deleteClient
(this=this at entry=0x1272850) at ../../src/kcmoduleproxy.cpp:217
#43 0x00007fdfa2e8cf36 in KCModuleProxy::~KCModuleProxy (this=0x1272850,
__in_chrg=<optimized out>) at ../../src/kcmoduleproxy.cpp:208
#44 0x00007fdfa2e8d049 in KCModuleProxy::~KCModuleProxy (this=0x1272850,
__in_chrg=<optimized out>) at ../../src/kcmoduleproxy.cpp:212
#45 0x00007fdfa036918c in QObjectPrivate::deleteChildren
(this=this at entry=0x127ae50) at kernel/qobject.cpp:1950
#46 0x00007fdfa116557a in QWidget::~QWidget (this=0x126fd00,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1642
#47 0x00007fdfa11657e9 in QWidget::~QWidget (this=0x126fd00,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1662
#48 0x00007fdfa036918c in QObjectPrivate::deleteChildren
(this=this at entry=0x127abb0) at kernel/qobject.cpp:1950
#49 0x00007fdfa116557a in QWidget::~QWidget (this=0x12692e0,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1642
#50 0x00007fdfa12f4059 in QScrollArea::~QScrollArea (this=0x12692e0,
__in_chrg=<optimized out>) at widgets/qscrollarea.cpp:168
#51 0x00007fdfa174f213 in ~Private (this=0x1272300, __in_chrg=<optimized out>)
at ../../src/kpagewidgetmodel.cpp:40
#52 KPageWidgetItem::~KPageWidgetItem (this=0x1272100, __in_chrg=<optimized
out>) at ../../src/kpagewidgetmodel.cpp:86
#53 0x00007fdfa174fbf4 in ~KPageWidgetItem (this=0x1272100,
__in_chrg=<optimized out>) at ../../src/kpagewidgetmodel.cpp:87
#54 PageItem::~PageItem (this=0x126fc20, __in_chrg=<optimized out>) at
../../src/kpagewidgetmodel.cpp:176
#55 0x00007fdfa1750e08 in KPageWidgetModel::removePage (this=0x1128540,
item=<optimized out>) at ../../src/kpagewidgetmodel.cpp:537
#56 0x00007fdfa174ed67 in KPageWidget::removePage (this=<optimized out>,
item=<optimized out>) at ../../src/kpagewidget.cpp:120
#57 0x00007fdfa30c0875 in ModuleView::closeModules (this=0x11045c0) at
../../core/ModuleView.cpp:275
#58 0x00007fdf82a195ce in IconMode::backToOverview (this=0x113c9f0) at
../../icons/IconMode.cpp:156
#59 0x00007fdfa036a9c9 in QMetaObject::activate (sender=sender at entry=0x1103c70,
signalOffset=<optimized out>, local_signal_index=local_signal_index at entry=1,
argv=argv at entry=0x7ffd2a2ce360) at kernel/qobject.cpp:3716
#60 0x00007fdfa036b057 in QMetaObject::activate (sender=sender at entry=0x1103c70,
m=m at entry=0x7fdfa163cb40 <QAction::staticMetaObject>,
local_signal_index=local_signal_index at entry=1, argv=argv at entry=0x7ffd2a2ce360)
at kernel/qobject.cpp:3582
#61 0x00007fdfa111b722 in QAction::triggered (this=this at entry=0x1103c70,
_t1=false) at .moc/moc_qaction.cpp:360
#62 0x00007fdfa111de28 in QAction::activate (this=0x1103c70, event=<optimized
out>) at kernel/qaction.cpp:1167
#63 0x00007fdfa122223d in QAbstractButtonPrivate::click (this=0x11bf620) at
widgets/qabstractbutton.cpp:516
#64 0x00007fdfa1222454 in QAbstractButton::mouseReleaseEvent (this=0x11bf130,
e=0x7ffd2a2ce860) at widgets/qabstractbutton.cpp:1132
#65 0x00007fdfa12ee23a in QToolButton::mouseReleaseEvent (this=<optimized out>,
e=<optimized out>) at widgets/qtoolbutton.cpp:609
#66 0x00007fdfa11691e8 in QWidget::event (this=0x11bf130, event=0x7ffd2a2ce860)
at kernel/qwidget.cpp:9022
#67 0x00007fdfa1223773 in QAbstractButton::event (this=this at entry=0x11bf130,
e=e at entry=0x7ffd2a2ce860) at widgets/qabstractbutton.cpp:1089
#68 0x00007fdfa12ee319 in QToolButton::event (this=0x11bf130,
event=0x7ffd2a2ce860) at widgets/qtoolbutton.cpp:965
#69 0x00007fdfa1125b2c in QApplicationPrivate::notify_helper (this=0xe50b10,
receiver=0x11bf130, e=0x7ffd2a2ce860) at kernel/qapplication.cpp:3720
#70 0x00007fdfa112b8eb in QApplication::notify (this=0x7ffd2a2ce5a0,
receiver=0x7ffd2a2ce5c0, e=0x7ffd2a2ce860) at kernel/qapplication.cpp:3280
#71 0x00007fdfa0339c2b in QCoreApplication::notifyInternal
(this=0x7ffd2a2cf130, receiver=receiver at entry=0x11bf130,
event=event at entry=0x7ffd2a2ce860) at kernel/qcoreapplication.cpp:935
#72 0x00007fdfa112a3da in sendSpontaneousEvent (event=0x7ffd2a2ce860,
receiver=0x11bf130) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#73 QApplicationPrivate::sendMouseEvent (receiver=0x11bf130,
event=0x7ffd2a2ce860, alienWidget=0x11bf130, nativeWidget=0x1005fc0,
buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true) at
kernel/qapplication.cpp:2751
#74 0x00007fdfa1181cc0 in QWidgetWindow::handleMouseEvent (this=0x153dba0,
event=0x7ffd2a2cec70) at kernel/qwidgetwindow.cpp:543
#75 0x00007fdfa1183e33 in QWidgetWindow::event (this=0x153dba0,
event=0x7ffd2a2cec70) at kernel/qwidgetwindow.cpp:210
#76 0x00007fdfa1125b2c in QApplicationPrivate::notify_helper (this=0xe50b10,
receiver=0x153dba0, e=0x7ffd2a2cec70) at kernel/qapplication.cpp:3720
#77 0x00007fdfa112b000 in QApplication::notify (this=0x7ffd2a2cf130,
receiver=0x153dba0, e=0x7ffd2a2cec70) at kernel/qapplication.cpp:3503
#78 0x00007fdfa0339c2b in QCoreApplication::notifyInternal
(this=0x7ffd2a2cf130, receiver=0x153dba0, event=0x7ffd2a2cec70) at
kernel/qcoreapplication.cpp:935
#79 0x00007fdfa0b68f82 in sendSpontaneousEvent (event=<optimized out>,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#80 QGuiApplicationPrivate::processMouseEvent (e=0x22a7840) at
kernel/qguiapplication.cpp:1774
#81 0x00007fdfa0b6ab45 in QGuiApplicationPrivate::processWindowSystemEvent
(e=e at entry=0x22a7840) at kernel/qguiapplication.cpp:1576
#82 0x00007fdfa0b4f34f in QWindowSystemInterface::sendWindowSystemEvents
(flags=...) at kernel/qwindowsysteminterface.cpp:572
#83 0x00007fdf95004590 in userEventSourceDispatch (source=<optimized out>) at
eventdispatchers/qeventdispatcher_glib.cpp:70
#84 0x00007fdf9c78fc3d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#85 0x00007fdf9c78ff20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#86 0x00007fdf9c78ffcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#87 0x00007fdfa0392c57 in QEventDispatcherGlib::processEvents (this=0xea2180,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#88 0x00007fdfa03373e2 in QEventLoop::exec (this=this at entry=0x7ffd2a2cf010,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#89 0x00007fdfa033f02c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1188
#90 0x00007fdfa0b6031c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1510
#91 0x00007fdfa11217a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#92 0x000000000040eebc in main (argc=1, argv=<optimized out>) at
../../app/main.cpp:54

Reported using DrKonqi

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