Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.32-3.slh.3-sidux-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
I had deleted a folder view from the taskbar and a few moments later got a crash notification.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7fb4072e2750 (LWP 5251))]

Thread 2 (Thread 0x7fb3e6ddf910 (LWP 5255)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007fb406d20499 in QWaitConditionPrivate::wait (this=0x2b68d70, mutex=0x2b68d68, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=0x2b68d70, mutex=0x2b68d68, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007fb40310e3b4 in QHostInfoAgent::run (this=0x2b68d50) at kernel/qhostinfo.cpp:260
#4  0x00007fb406d1f4a5 in QThreadPrivate::start (arg=0x2b68d50) at thread/qthread_unix.cpp:188
#5  0x00007fb403a4a73a in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007fb4046146dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb4072e2750 (LWP 5251)):
[KCrash Handler]
#5  0x00007fb405f01b34 in KDirModel::dirLister (this=0x29895a0) at ../../kio/kio/kdirmodel.cpp:354
#6  0x00007fb3fa8cfcb6 in KFilePreviewGenerator::Private::updateCutItems (this=0x2c201c0) at ../../kfile/kfilepreviewgenerator.cpp:644
#7  0x00007fb3fa8d09ad in KFilePreviewGenerator::qt_metacall (this=0x2c20070, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc0479330) at ./kfilepreviewgenerator.moc:89
#8  0x00007fb406e19df2 in QMetaObject::activate (sender=0x25c9140, from_signal_index=<value optimized out>, to_signal_index=7, argv=0x7fb4070f99a0) at kernel/qobject.cpp:3112
#9  0x00007fb404df4bd5 in QApplication::x11ProcessEvent (this=0x2558e20, event=0x7fffc047abd0) at kernel/qapplication_x11.cpp:3386
#10 0x00007fb404e1c76c in x11EventSourceDispatch (s=0x2565530, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#11 0x00007fb403c9b90e in g_main_dispatch (context=0x2564520) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:1960
#12 IA__g_main_context_dispatch (context=0x2564520) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2513
#13 0x00007fb403c9f2c8 in g_main_context_iterate (context=0x2564520, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2591
#14 0x00007fb403c9f3f0 in IA__g_main_context_iteration (context=0x2564520, may_block=1) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2654
#15 0x00007fb406e2d39c in QEventDispatcherGlib::processEvents (this=0x24d0220, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#16 0x00007fb404e1bf1f in QGuiEventDispatcherGlib::processEvents (this=0x29895a0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#17 0x00007fb406e03562 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#18 0x00007fb406e03934 in QEventLoop::exec (this=0x7fffc047af00, flags=...) at kernel/qeventloop.cpp:201
#19 0x00007fb406e05ba4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#20 0x00007fb3fab512af in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/shells/desktop/main.cpp:50
#21 0x0000000000406e9e in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a057 "0") at ../../kinit/kinit.cpp:677
#22 0x0000000000407aad in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#23 0x0000000000407f91 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#24 0x00000000004086c6 in main (argc=2, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1793
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

Reported using DrKonqi