Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-15-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
This IS a duplicate, but reported with DrKonqi and it only allows one to select "may be".

I was switching between non-KDE applications, so nothing related to plasma except perhaps the box switcher for kwin was used.

Added two quick access applets to main panel about 10 minutes prior, and the crash seems to be related to that.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 9830)]

Thread 2 (Thread 0x7fa8a8805950 (LWP 9841)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007fa8cbd42d19 in QWaitCondition::wait (this=0x2c620b0, mutex=0x2c620a8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007fa8cabc881c in QHostInfoAgent::run (this=0x2c62090) at kernel/qhostinfo.cpp:260
#3  0x00007fa8cbd41d35 in QThreadPrivate::start (arg=0x2c62090) at thread/qthread_unix.cpp:188
#4  0x00007fa8c7c363ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007fa8c881afcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa8cc300750 (LWP 9830)):
[KCrash Handler]
#5  0x00007fa8caf81294 in KDirModel::dirLister (this=0x95eba90) at /build/buildd/kde4libs-4.3.1/kio/kio/kdirmodel.cpp:353
#6  0x00007fa8c347f3cc in KFilePreviewGenerator::Private::updateCutItems (this=0x2fcc240) at /build/buildd/kde4libs-4.3.1/kfile/kfilepreviewgenerator.cpp:640
#7  0x00007fa8c34800ba in KFilePreviewGenerator::qt_metacall (this=0x26aecc0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd433b2c0)
    at /build/buildd/kde4libs-4.3.1/obj-x86_64-linux-gnu/kfile/kfilepreviewgenerator.moc:89
#8  0x00007fa8cbe40ea2 in QMetaObject::activate (sender=0x1e24a50, from_signal_index=<value optimized out>, to_signal_index=7, argv=0x7fffd433b2c0) at kernel/qobject.cpp:3113
#9  0x00007fa8c946301d in QApplication::x11ProcessEvent (this=0x1d985e0, event=0x7fffd433cb80) at kernel/qapplication_x11.cpp:3384
#10 0x00007fa8c948b454 in x11EventSourceDispatch (s=0x1ddcf00, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#11 0x00007fa8c7e8520a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#12 0x00007fa8c7e888e0 in ?? () from /usr/lib/libglib-2.0.so.0
#13 0x00007fa8c7e88a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#14 0x00007fa8cbe54a8f in QEventDispatcherGlib::processEvents (this=0x1dd8e90, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#15 0x00007fa8c948abdf in QGuiEventDispatcherGlib::processEvents (this=0x95eba90, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#16 0x00007fa8cbe29f42 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -734802320}) at kernel/qeventloop.cpp:149
#17 0x00007fa8cbe2a314 in QEventLoop::exec (this=0x7fffd433ceb0, flags={i = -734802240}) at kernel/qeventloop.cpp:201
#18 0x00007fa8cbe2c5e4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#19 0x00007fa8bfc843eb in kdemain (argc=1, argv=0x1d8a940) at /build/buildd/kdebase-workspace-4.3.1/plasma/shells/desktop/main.cpp:50
#20 0x0000000000407215 in launch (argc=1, _name=0x1d8d768 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x1d8d788 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a3a1 "0") at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:677
#21 0x0000000000407a38 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:1169
#22 0x0000000000407fe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:1362
#23 0x0000000000408b26 in main (argc=2, argv=0x7fffd433dd58, envp=0x7fffd433dd70) at /build/buildd/kde4libs-4.3.1/kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 197304

Reported using DrKonqi