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

-- Information about the crash:
Typed into search field of "Get Hot New Stuff" dialogue - systemsettings immediately crashes.

I'm running within Ubuntu 11.04 Unity desktop.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f2c96c90780 (LWP 3509))]

Thread 3 (Thread 0x7f2c8d82e700 (LWP 3510)):
#0  0x00007f2c941bef03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2c91f3b104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2c91f3b9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2c8e18dc44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f2c91f623e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2c92406d8c in start_thread (arg=0x7f2c8d82e700) at pthread_create.c:304
#6  0x00007f2c941cc04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f2c74a9f700 (LWP 3521)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x00007f2c947f479e in wait (this=<value optimized out>, mutex=0x22cee00, time=30000) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x22cee00, time=30000) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f2c947e9218 in QThreadPoolThread::run (this=0x2257670) at concurrent/qthreadpool.cpp:140
#4  0x00007f2c947f4175 in QThreadPrivate::start (arg=0x2257670) at thread/qthread_unix.cpp:320
#5  0x00007f2c92406d8c in start_thread (arg=0x7f2c74a9f700) at pthread_create.c:304
#6  0x00007f2c941cc04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2c96c90780 (LWP 3509)):
[KCrash Handler]
#6  value (this=0x0, request=...) at /usr/include/qt4/QtCore/qhash.h:607
#7  KNS3::Cache::requestFromCache (this=0x0, request=...) at ../../../knewstuff/knewstuff3/core/cache.cpp:243
#8  0x00007f2c73213721 in KNS3::Engine::setSearchTerm (this=0x255e810, searchString=...) at ../../../knewstuff/knewstuff3/core/engine.cpp:339
#9  0x00007f2c73203aa1 in KNS3::DownloadWidgetPrivate::slotSearchTextChanged (this=0x2577810) at ../../../knewstuff/knewstuff3/downloadwidget.cpp:150
#10 0x00007f2c73205a2d in KNS3::DownloadWidget::qt_metacall (this=0x25611a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff08b89130) at ./downloadwidget.moc:114
#11 0x00007f2c948f05f8 in QMetaObject::activate (sender=0x257e1a0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff08b89130) at kernel/qobject.cpp:3287
#12 0x00007f2c95922542 in QLineEdit::textChanged (this=<value optimized out>, _t1=<value optimized out>) at .moc/release-shared/moc_qlineedit.cpp:242
#13 0x00007f2c95922a0c in QLineEdit::qt_metacall (this=0x257e1a0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff08b89300) at .moc/release-shared/moc_qlineedit.cpp:158
#14 0x00007f2c962eead5 in KLineEdit::qt_metacall (this=0x257e1a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff08b89300) at ./klineedit.moc:133
#15 0x00007f2c948f05f8 in QMetaObject::activate (sender=0x2580a70, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff08b89300) at kernel/qobject.cpp:3287
#16 0x00007f2c95b8a005 in QLineControl::textChanged (this=<value optimized out>, _t1=<value optimized out>) at .moc/release-shared/moc_qlinecontrol_p.cpp:131
#17 0x00007f2c959275bb in QLineControl::finishChange (this=0x2580a70, validateFromState=0, update=<value optimized out>, edited=true) at widgets/qlinecontrol.cpp:605
#18 0x00007f2c9592983b in QLineControl::processKeyEvent (this=0x2580a70, event=0x7fff08b8a0d0) at widgets/qlinecontrol.cpp:1796
#19 0x00007f2c9591e5c9 in QLineEdit::keyPressEvent (this=<value optimized out>, event=0x7fff08b8a0d0) at widgets/qlineedit.cpp:1668
#20 0x00007f2c962efc4e in KLineEdit::keyPressEvent (this=0x257e1a0, e=0x7fff08b8a0d0) at ../../kdeui/widgets/klineedit.cpp:945
#21 0x00007f2c95562d3c in QWidget::event (this=0x257e1a0, event=0x7fff08b8a0d0) at kernel/qwidget.cpp:8294
#22 0x00007f2c95920b97 in QLineEdit::event (this=0x257e1a0, e=0x7fff08b8a0d0) at widgets/qlineedit.cpp:1485
#23 0x00007f2c962ed423 in KLineEdit::event (this=0x257e1a0, ev=0x7fff08b8a0d0) at ../../kdeui/widgets/klineedit.cpp:1399
#24 0x00007f2c955119e4 in QApplicationPrivate::notify_helper (this=0x1c19870, receiver=0x257e1a0, e=0x7fff08b8a0d0) at kernel/qapplication.cpp:4462
#25 0x00007f2c95516c31 in QApplication::notify (this=<value optimized out>, receiver=<value optimized out>, e=0x7fff08b8a0d0) at kernel/qapplication.cpp:3921
#26 0x00007f2c96230866 in KApplication::notify (this=0x7fff08b8c730, receiver=0x257e1a0, event=0x7fff08b8a0d0) at ../../kdeui/kernel/kapplication.cpp:311
#27 0x00007f2c948db49c in QCoreApplication::notifyInternal (this=0x7fff08b8c730, receiver=0x257e1a0, event=0x7fff08b8a0d0) at kernel/qcoreapplication.cpp:731
#28 0x00007f2c955b4cf9 in QKeyMapper::sendKeyEvent (keyWidget=0x257e1a0, grab=<value optimized out>, type=QEvent::KeyPress, code=85, modifiers=..., text=..., autorepeat=false, count=1, nativeScanCode=30, nativeVirtualKey=117, nativeModifiers=16) at kernel/qkeymapper_x11.cpp:1866
#29 0x00007f2c955b5176 in QKeyMapperPrivate::translateKeyEvent (this=0x1c58a50, keyWidget=0x257e1a0, event=0x7fff08b8ac60, grab=false) at kernel/qkeymapper_x11.cpp:1836
#30 0x00007f2c95590f03 in QApplication::x11ProcessEvent (this=0x7fff08b8c730, event=0x7fff08b8ac60) at kernel/qapplication_x11.cpp:3571
#31 0x00007f2c955b9162 in x11EventSourceDispatch (s=0x1c1d350, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#32 0x00007f2c91f3abcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f2c91f3b3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f2c91f3b639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f2c949063ef in QEventDispatcherGlib::processEvents (this=0x1bc7490, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#36 0x00007f2c955b8dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007f2c948da882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007f2c948daabc in QEventLoop::exec (this=0x7fff08b8af60, flags=...) at kernel/qeventloop.cpp:201
#39 0x00007f2c959d08e6 in QDialog::exec (this=0x7fff08b8afc0) at dialogs/qdialog.cpp:552
#40 0x00007f2c734748ee in KColorCm::on_schemeKnsButton_clicked (this=0x2265270) at ../../../kcontrol/colors/colorscm.cpp:397
#41 0x00007f2c7347c8fe in KColorCm::qt_metacall (this=0x2265270, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff08b8b130) at ./colorscm.moc:145
#42 0x00007f2c948f05f8 in QMetaObject::activate (sender=0x24d6060, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff08b8b130) at kernel/qobject.cpp:3287
#43 0x00007f2c95b87252 in QAbstractButton::clicked (this=<value optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#44 0x00007f2c958d083e in QAbstractButtonPrivate::emitClicked (this=0x24d60a0) at widgets/qabstractbutton.cpp:546
#45 0x00007f2c958d1dbb in QAbstractButtonPrivate::click (this=0x24d60a0) at widgets/qabstractbutton.cpp:539
#46 0x00007f2c958d202c in QAbstractButton::mouseReleaseEvent (this=0x24d6060, e=0x7fff08b8ba70) at widgets/qabstractbutton.cpp:1121
#47 0x00007f2c95562cb8 in QWidget::event (this=0x24d6060, event=0x7fff08b8ba70) at kernel/qwidget.cpp:8259
#48 0x00007f2c955119e4 in QApplicationPrivate::notify_helper (this=0x1c19870, receiver=0x24d6060, e=0x7fff08b8ba70) at kernel/qapplication.cpp:4462
#49 0x00007f2c95516db3 in QApplication::notify (this=<value optimized out>, receiver=0x24d6060, e=0x7fff08b8ba70) at kernel/qapplication.cpp:4023
#50 0x00007f2c96230866 in KApplication::notify (this=0x7fff08b8c730, receiver=0x24d6060, event=0x7fff08b8ba70) at ../../kdeui/kernel/kapplication.cpp:311
#51 0x00007f2c948db49c in QCoreApplication::notifyInternal (this=0x7fff08b8c730, receiver=0x24d6060, event=0x7fff08b8ba70) at kernel/qcoreapplication.cpp:731
#52 0x00007f2c95512a0d in sendEvent (receiver=0x24d6060, event=0x7fff08b8ba70, alienWidget=0x24d6060, nativeWidget=0x1e3d8e0, buttonDown=0x7f2c95ff2218, lastMouseReceiver=..., spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#53 QApplicationPrivate::sendMouseEvent (receiver=0x24d6060, event=0x7fff08b8ba70, alienWidget=0x24d6060, nativeWidget=0x1e3d8e0, buttonDown=0x7f2c95ff2218, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3122
#54 0x00007f2c95592600 in QETWidget::translateMouseEvent (this=0x1e3d8e0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4556
#55 0x00007f2c9559104a in QApplication::x11ProcessEvent (this=0x7fff08b8c730, event=0x7fff08b8c3c0) at kernel/qapplication_x11.cpp:3678
#56 0x00007f2c955b9162 in x11EventSourceDispatch (s=0x1c1d350, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#57 0x00007f2c91f3abcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#58 0x00007f2c91f3b3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#59 0x00007f2c91f3b639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#60 0x00007f2c949063ef in QEventDispatcherGlib::processEvents (this=0x1bc7490, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#61 0x00007f2c955b8dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#62 0x00007f2c948da882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#63 0x00007f2c948daabc in QEventLoop::exec (this=0x7fff08b8c6c0, flags=...) at kernel/qeventloop.cpp:201
#64 0x00007f2c948deecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#65 0x0000000000411616 in main (argc=1, argv=<value optimized out>) at ../../../systemsettings/app/main.cpp:49

Reported using DrKonqi