Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.1
Operating System: Linux 2.6.30-gentoo-r1 i686

What I was doing when the application crashed:
After installing a new theme (Glassified, via the "New Theme..." button on Desktop Settings), I closed the Desktop Settings window while the New Theme window was still open.  I then opened the Desktop Settings window again and either when I clicked on the Theme dropdown, or as Desktop Settings opened, plasma died.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3591)]

Thread 2 (Thread 0xa8b2db70 (LWP 3594)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb7dc01d5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7e51692 in QWaitCondition::wait () from /usr/lib/qt4/libQtCore.so.4
#3  0xb775e6aa in QHostInfoAgent::run () from /usr/lib/qt4/libQtNetwork.so.4
#4  0xb7e508c1 in QThreadPrivate::start () from /usr/lib/qt4/libQtCore.so.4
#5  0xb7dbc451 in start_thread () from /lib/libpthread.so.0
#6  0xb68e953e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb624e700 (LWP 3591)):
[KCrash Handler]
#6  0xb5e4e23c in KNS::Engine::downloadDialogModal () from /usr/lib/libknewstuff2.so.4
#7  0xb4004d66 in BackgroundDialog::getNewThemes () from /usr/lib/libkdeinit4_plasma-desktop.so
#8  0xb4000543 in BackgroundDialog::qt_metacall () from /usr/lib/libkdeinit4_plasma-desktop.so
#9  0xb7f452c1 in QMetaObject::activate () from /usr/lib/qt4/libQtCore.so.4
#10 0xb7f455f1 in QMetaObject::activate () from /usr/lib/qt4/libQtCore.so.4
#11 0xb71c2fd2 in QAbstractButton::clicked () from /usr/lib/qt4/libQtGui.so.4
#12 0xb6f29e9a in QAbstractButtonPrivate::emitClicked () from /usr/lib/qt4/libQtGui.so.4
#13 0xb6f2ad85 in QAbstractButtonPrivate::click () from /usr/lib/qt4/libQtGui.so.4
#14 0xb6f2aff6 in QAbstractButton::mouseReleaseEvent () from /usr/lib/qt4/libQtGui.so.4
#15 0xb6bf898a in QWidget::event () from /usr/lib/qt4/libQtGui.so.4
#16 0xb6f29d1f in QAbstractButton::event () from /usr/lib/qt4/libQtGui.so.4
#17 0xb6fc4f11 in QPushButton::event () from /usr/lib/qt4/libQtGui.so.4
#18 0xb6ba500c in QApplicationPrivate::notify_helper () from /usr/lib/qt4/libQtGui.so.4
#19 0xb6bad552 in QApplication::notify () from /usr/lib/qt4/libQtGui.so.4
#20 0xb74fc6fe in KApplication::notify () from /usr/lib/libkdeui.so.5
#21 0xb7f32982 in QCoreApplication::notifyInternal () from /usr/lib/qt4/libQtCore.so.4
#22 0xb6baea34 in QApplicationPrivate::sendMouseEvent () from /usr/lib/qt4/libQtGui.so.4
#23 0xb6c0fd6d in QETWidget::translateMouseEvent () from /usr/lib/qt4/libQtGui.so.4
#24 0xb6c0e8d5 in QApplication::x11ProcessEvent () from /usr/lib/qt4/libQtGui.so.4
#25 0xb6c35e12 in x11EventSourceDispatch () from /usr/lib/qt4/libQtGui.so.4
#26 0xb6755398 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#27 0xb6758abb in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#28 0xb6758c49 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#29 0xb7f5a769 in QEventDispatcherGlib::processEvents () from /usr/lib/qt4/libQtCore.so.4
#30 0xb6c35606 in QGuiEventDispatcherGlib::processEvents () from /usr/lib/qt4/libQtGui.so.4
#31 0xb7f310bb in QEventLoop::processEvents () from /usr/lib/qt4/libQtCore.so.4
#32 0xb7f3129a in QEventLoop::exec () from /usr/lib/qt4/libQtCore.so.4
#33 0xb5e4de8e in KNS::EnginePrivate::workflow () from /usr/lib/libknewstuff2.so.4
#34 0xb5e4e2d8 in KNS::Engine::downloadDialogModal () from /usr/lib/libknewstuff2.so.4
#35 0xb4004d66 in BackgroundDialog::getNewThemes () from /usr/lib/libkdeinit4_plasma-desktop.so
#36 0xb4000543 in BackgroundDialog::qt_metacall () from /usr/lib/libkdeinit4_plasma-desktop.so
#37 0xb7f452c1 in QMetaObject::activate () from /usr/lib/qt4/libQtCore.so.4
#38 0xb7f455f1 in QMetaObject::activate () from /usr/lib/qt4/libQtCore.so.4
#39 0xb71c2fd2 in QAbstractButton::clicked () from /usr/lib/qt4/libQtGui.so.4
#40 0xb6f29e9a in QAbstractButtonPrivate::emitClicked () from /usr/lib/qt4/libQtGui.so.4
#41 0xb6f2ad85 in QAbstractButtonPrivate::click () from /usr/lib/qt4/libQtGui.so.4
#42 0xb6f2aff6 in QAbstractButton::mouseReleaseEvent () from /usr/lib/qt4/libQtGui.so.4
#43 0xb6bf898a in QWidget::event () from /usr/lib/qt4/libQtGui.so.4
#44 0xb6f29d1f in QAbstractButton::event () from /usr/lib/qt4/libQtGui.so.4
#45 0xb6fc4f11 in QPushButton::event () from /usr/lib/qt4/libQtGui.so.4
#46 0xb6ba500c in QApplicationPrivate::notify_helper () from /usr/lib/qt4/libQtGui.so.4
#47 0xb6bad552 in QApplication::notify () from /usr/lib/qt4/libQtGui.so.4
#48 0xb74fc6fe in KApplication::notify () from /usr/lib/libkdeui.so.5
#49 0xb7f32982 in QCoreApplication::notifyInternal () from /usr/lib/qt4/libQtCore.so.4
#50 0xb6baea34 in QApplicationPrivate::sendMouseEvent () from /usr/lib/qt4/libQtGui.so.4
#51 0xb6c0fd6d in QETWidget::translateMouseEvent () from /usr/lib/qt4/libQtGui.so.4
#52 0xb6c0e8d5 in QApplication::x11ProcessEvent () from /usr/lib/qt4/libQtGui.so.4
#53 0xb6c35e12 in x11EventSourceDispatch () from /usr/lib/qt4/libQtGui.so.4
#54 0xb6755398 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#55 0xb6758abb in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#56 0xb6758c49 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#57 0xb7f5a769 in QEventDispatcherGlib::processEvents () from /usr/lib/qt4/libQtCore.so.4
#58 0xb6c35606 in QGuiEventDispatcherGlib::processEvents () from /usr/lib/qt4/libQtGui.so.4
#59 0xb7f310bb in QEventLoop::processEvents () from /usr/lib/qt4/libQtCore.so.4
#60 0xb7f3129a in QEventLoop::exec () from /usr/lib/qt4/libQtCore.so.4
#61 0xb7f33521 in QCoreApplication::exec () from /usr/lib/qt4/libQtCore.so.4
#62 0xb6ba4e78 in QApplication::exec () from /usr/lib/qt4/libQtGui.so.4
#63 0xb4011291 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#64 0x0804e74f in launch ()
#65 0x0804ef15 in handle_launcher_request ()
#66 0x0804f383 in handle_requests ()
#67 0x0804fbaf in main ()

This bug may be a duplicate of or related to bug 200321

Reported using DrKonqi