Bug 275864

Application: systemsettings (1.0)
KDE Platform Version: 4.6.2 (4.6.2) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
Checking in on my customisable options (system settings > application appearance > colours) and clicked on get more schemes. Leading to crash.
Thanks,

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f5edc5cd780 (LWP 3796))]

Thread 2 (Thread 0x7f5ed2e9a700 (LWP 3797)):
#0  0x00007f5ed9afbf03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5ed7878104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5ed78789f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5ed37f9c44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f5ed789f3e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5ed7d43d8c in start_thread (arg=0x7f5ed2e9a700) at pthread_create.c:304
#6  0x00007f5ed9b0904d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5edc5cd780 (LWP 3796)):
[KCrash Handler]
#6  QString::operator= (this=0x2bd8760, other=...) at tools/qstring.cpp:1357
#7  0x00007f5eda1af63c in QFile::QFile (this=0x7fffd8bfd270, name=...) at io/qfile.cpp:387
#8  0x00007f5eb131d228 in KNS3::Cache::writeRegistry (this=0x0) at ../../../knewstuff/knewstuff3/core/cache.cpp:203
#9  0x00007f5eb1321bea in KNS3::Engine::~Engine (this=0x2c37260, __in_chrg=<value optimized out>) at ../../../knewstuff/knewstuff3/core/engine.cpp:87
#10 0x00007f5eb1321cf9 in KNS3::Engine::~Engine (this=0x2c37260, __in_chrg=<value optimized out>) at ../../../knewstuff/knewstuff3/core/engine.cpp:91
#11 0x00007f5eb1315649 in KNS3::DownloadWidgetPrivate::~DownloadWidgetPrivate (this=0x2b5a900, __in_chrg=<value optimized out>) at ../../../knewstuff/knewstuff3/downloadwidget.cpp:103
#12 0x00007f5eb131574a in KNS3::DownloadWidget::~DownloadWidget (this=0x2c3f0f0, __in_chrg=<value optimized out>) at ../../../knewstuff/knewstuff3/downloadwidget.cpp:65
#13 0x00007f5eb1315779 in KNS3::DownloadWidget::~DownloadWidget (this=0x2c3f0f0, __in_chrg=<value optimized out>) at ../../../knewstuff/knewstuff3/downloadwidget.cpp:66
#14 0x00007f5eb1314e69 in ~DownloadDialogPrivate (this=0x7fffd8bfd470, __in_chrg=<value optimized out>) at ../../../knewstuff/knewstuff3/downloaddialog.cpp:46
#15 KNS3::DownloadDialog::~DownloadDialog (this=0x7fffd8bfd470, __in_chrg=<value optimized out>) at ../../../knewstuff/knewstuff3/downloaddialog.cpp:102
#16 0x00007f5eb1586926 in KColorCm::on_schemeKnsButton_clicked (this=0x2bb83e0) at ../../../kcontrol/colors/colorscm.cpp:396
#17 0x00007f5eb158e8fe in KColorCm::qt_metacall (this=0x2bb83e0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd8bfd5e0) at ./colorscm.moc:145
#18 0x00007f5eda22d5f8 in QMetaObject::activate (sender=0x2872820, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffd8bfd5e0) at kernel/qobject.cpp:3287
#19 0x00007f5edb4c4252 in QAbstractButton::clicked (this=<value optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#20 0x00007f5edb20d83e in QAbstractButtonPrivate::emitClicked (this=0x2bbc1d0) at widgets/qabstractbutton.cpp:546
#21 0x00007f5edb20edbb in QAbstractButtonPrivate::click (this=0x2bbc1d0) at widgets/qabstractbutton.cpp:539
#22 0x00007f5edb20f02c in QAbstractButton::mouseReleaseEvent (this=0x2872820, e=0x7fffd8bfdf20) at widgets/qabstractbutton.cpp:1121
#23 0x00007f5edae9fcb8 in QWidget::event (this=0x2872820, event=0x7fffd8bfdf20) at kernel/qwidget.cpp:8259
#24 0x00007f5edae4e9e4 in QApplicationPrivate::notify_helper (this=0x243abd0, receiver=0x2872820, e=0x7fffd8bfdf20) at kernel/qapplication.cpp:4462
#25 0x00007f5edae53db3 in QApplication::notify (this=<value optimized out>, receiver=0x2872820, e=0x7fffd8bfdf20) at kernel/qapplication.cpp:4023
#26 0x00007f5edbb6d866 in KApplication::notify (this=0x7fffd8bfebe0, receiver=0x2872820, event=0x7fffd8bfdf20) at ../../kdeui/kernel/kapplication.cpp:311
#27 0x00007f5eda21849c in QCoreApplication::notifyInternal (this=0x7fffd8bfebe0, receiver=0x2872820, event=0x7fffd8bfdf20) at kernel/qcoreapplication.cpp:731
#28 0x00007f5edae4fa0d in sendEvent (receiver=0x2872820, event=0x7fffd8bfdf20, alienWidget=0x2872820, nativeWidget=0x2793a00, buttonDown=0x7f5edb92f218, lastMouseReceiver=..., spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#29 QApplicationPrivate::sendMouseEvent (receiver=0x2872820, event=0x7fffd8bfdf20, alienWidget=0x2872820, nativeWidget=0x2793a00, buttonDown=0x7f5edb92f218, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3122
#30 0x00007f5edaecf600 in QETWidget::translateMouseEvent (this=0x2793a00, event=<value optimized out>) at kernel/qapplication_x11.cpp:4556
#31 0x00007f5edaece04a in QApplication::x11ProcessEvent (this=0x7fffd8bfebe0, event=0x7fffd8bfe870) at kernel/qapplication_x11.cpp:3678
#32 0x00007f5edaef6162 in x11EventSourceDispatch (s=0x243e6b0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0x00007f5ed7877bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f5ed78783a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f5ed7878639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f5eda2433ef in QEventDispatcherGlib::processEvents (this=0x23ee490, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#37 0x00007f5edaef5dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x00007f5eda217882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#39 0x00007f5eda217abc in QEventLoop::exec (this=0x7fffd8bfeb70, flags=...) at kernel/qeventloop.cpp:201
#40 0x00007f5eda21becb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#41 0x0000000000411616 in main (argc=4, argv=<value optimized out>) at ../../../systemsettings/app/main.cpp:49

Possible duplicates by query: bug 272013, bug 270628.

Reported using DrKonqi