Version:           4.1.80 (using Devel)
OS:                Linux
Installed from:    Compiled sources

I selected "Switch user" from the new K-menu (dont remember the name...)
then I got a krunner crash, this is the BT:

Anwendung: Oberfläche zur Ausführung von Befehlen (krunner), Signal SIGSEGV
[Current thread is 0 (LWP 5729)]

Thread 6 (Thread 0xa8db0b90 (LWP 9376)):
#0  0xb7fa4430 in __kernel_vsyscall ()
#1  0xb680dc01 in select () from /lib/tls/i686/cmov/libc.so.6
#2  0xb6c27150 in ?? () from /usr/lib/libQtCore.so.4
#3  0xb6b576ae in ?? () from /usr/lib/libQtCore.so.4
#4  0xb56ee50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb68157ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 5 (Thread 0xa85afb90 (LWP 19407)):
#0  0xb7fa4430 in __kernel_vsyscall ()
#1  0xb56f2075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb68239ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb6b586f2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb7cff70b in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9317968, th=0x94327d8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:365
#5  0xb7d0303c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x92d6cf0, th=0x94327d8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WorkingHardState.cpp:80
#6  0xb7cfdfab in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9317968, th=0x94327d8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:356
#7  0xb7d0317f in ThreadWeaver::WorkingHardState::applyForWork (this=0x92d6cf0, th=0x94327d8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WorkingHardState.cpp:71
#8  0xb7d00783 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9317968, th=0x94327d8, previous=0x95fcc08) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:351
#9  0xb7d012bd in ThreadWeaver::ThreadRunHelper::run (this=0xa85af350, parent=0x9317968, th=0x94327d8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/Thread.cpp:87
#10 0xb7d01435 in ThreadWeaver::Thread::run (this=0x94327d8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/Thread.cpp:142
#11 0xb6b576ae in ?? () from /usr/lib/libQtCore.so.4
#12 0xb56ee50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#13 0xb68157ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 4 (Thread 0xa7daeb90 (LWP 19408)):
#0  0xb7fa4430 in __kernel_vsyscall ()
#1  0xb56f2075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb68239ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb6b586f2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb7cff70b in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9317968, th=0x94095b8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:365
#5  0xb7d0303c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x92d6cf0, th=0x94095b8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WorkingHardState.cpp:80
#6  0xb7cfdfab in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9317968, th=0x94095b8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:356
#7  0xb7d0317f in ThreadWeaver::WorkingHardState::applyForWork (this=0x92d6cf0, th=0x94095b8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WorkingHardState.cpp:71
#8  0xb7d00783 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9317968, th=0x94095b8, previous=0x9636b50) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:351
#9  0xb7d012bd in ThreadWeaver::ThreadRunHelper::run (this=0xa7dae350, parent=0x9317968, th=0x94095b8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/Thread.cpp:87
#10 0xb7d01435 in ThreadWeaver::Thread::run (this=0x94095b8) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/Thread.cpp:142
#11 0xb6b576ae in ?? () from /usr/lib/libQtCore.so.4
#12 0xb56ee50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#13 0xb68157ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (Thread 0xa75adb90 (LWP 19409)):
#0  0xb7fa4430 in __kernel_vsyscall ()
#1  0xb56f2075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb68239ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb6b586f2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb7cff70b in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9317968, th=0x949a258) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:365
#5  0xb7d0303c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x92d6cf0, th=0x949a258) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WorkingHardState.cpp:80
#6  0xb7cfdfab in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9317968, th=0x949a258) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:356
#7  0xb7d0317f in ThreadWeaver::WorkingHardState::applyForWork (this=0x92d6cf0, th=0x949a258) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WorkingHardState.cpp:71
#8  0xb7d00783 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9317968, th=0x949a258, previous=0x93ccd30) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:351
#9  0xb7d012bd in ThreadWeaver::ThreadRunHelper::run (this=0xa75ad350, parent=0x9317968, th=0x949a258) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/Thread.cpp:87
#10 0xb7d01435 in ThreadWeaver::Thread::run (this=0x949a258) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/Thread.cpp:142
#11 0xb6b576ae in ?? () from /usr/lib/libQtCore.so.4
#12 0xb56ee50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#13 0xb68157ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xa6dacb90 (LWP 19410)):
#0  0xb7fa4430 in __kernel_vsyscall ()
#1  0xb56f2075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb68239ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb6b586f2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb7cff70b in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9317968, th=0x949cb70) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:365
#5  0xb7d0303c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x92d6cf0, th=0x949cb70) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WorkingHardState.cpp:80
#6  0xb7cfdfab in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9317968, th=0x949cb70) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:356
#7  0xb7d0317f in ThreadWeaver::WorkingHardState::applyForWork (this=0x92d6cf0, th=0x949cb70) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WorkingHardState.cpp:71
#8  0xb7d00783 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9317968, th=0x949cb70, previous=0x9604b80) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/WeaverImpl.cpp:351
#9  0xb7d012bd in ThreadWeaver::ThreadRunHelper::run (this=0xa6dac350, parent=0x9317968, th=0x949cb70) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/Thread.cpp:87
#10 0xb7d01435 in ThreadWeaver::Thread::run (this=0x949cb70) at /build/buildd/kde4libs-4.1.80/threadweaver/Weaver/Thread.cpp:142
#11 0xb6b576ae in ?? () from /usr/lib/libQtCore.so.4
#12 0xb56ee50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#13 0xb68157ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb45686e0 (LWP 5729)):
[KCrash Handler]
#6  0xb7d84599 in Plasma::AbstractRunner::ignoredTypes () from /usr/lib/libplasma.so.3
#7  0xb7df2ac7 in Plasma::RunnerManager::launchQuery () from /usr/lib/libplasma.so.3
#8  0xb7f3bb96 in KRunnerDialog::switchUser (this=0x939c180) at /build/buildd/kdebase-workspace-4.1.80/krunner/krunnerdialog.cpp:108
#9  0xb7f3dc10 in KRunnerApp::switchUser (this=0x9271808) at /build/buildd/kdebase-workspace-4.1.80/krunner/krunnerapp.cpp:345
#10 0xb7f5935e in AppAdaptor::qt_metacall (this=0x93ffdf8, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbfaa5b88)
    at /build/buildd/kdebase-workspace-4.1.80/obj-i486-linux-gnu/krunner/appadaptor.cpp:75
#11 0xb6d5026e in ?? () from /usr/lib/libQtDBus.so.4
#12 0xb6d514a7 in ?? () from /usr/lib/libQtDBus.so.4
#13 0xb6d519b1 in ?? () from /usr/lib/libQtDBus.so.4
#14 0xb6d51eaa in ?? () from /usr/lib/libQtDBus.so.4
#15 0xb6c57771 in QObject::event () from /usr/lib/libQtCore.so.4
#16 0xb6c477cb in QCoreApplication::event () from /usr/lib/libQtCore.so.4
#17 0xb7113206 in QApplication::event () from /usr/lib/libQtGui.so.4
#18 0xb710d8ec in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#19 0xb711572e in QApplication::notify () from /usr/lib/libQtGui.so.4
#20 0xb7ae7c6d in KApplication::notify (this=0x9271808, receiver=0x9271808, event=0x947de68) at /build/buildd/kde4libs-4.1.80/kdeui/kernel/kapplication.cpp:307
#21 0xb6c47e61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#22 0xb6c48ae5 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#23 0xb6c48cdd in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#24 0xb6c7282f in ?? () from /usr/lib/libQtCore.so.4
#25 0xb573a6f8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#26 0xb573dda3 in ?? () from /usr/lib/libglib-2.0.so.0
#27 0xb573df61 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#28 0xb6c72478 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#29 0xb71a7ea5 in ?? () from /usr/lib/libQtGui.so.4
#30 0xb6c4652a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#31 0xb6c466ea in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#32 0xb6c48da5 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#33 0xb710d767 in QApplication::exec () from /usr/lib/libQtGui.so.4
#34 0xb7f3ffbc in kdemain (argc=1, argv=0xbfaa65a4) at /build/buildd/kdebase-workspace-4.1.80/krunner/main.cpp:57
#35 0x08048712 in main (argc=) at /build/buildd/kdebase-workspace-4.1.80/obj-i486-linux-gnu/krunner/krunner_dummy.cpp:3