Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-14-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Double clicking in Quassel crashes Plasma.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3350)]

Thread 2 (Thread 0xa72ffb90 (LWP 3353)):
#0  0xb809f430 in __kernel_vsyscall ()
#1  0xb65b80e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb67982ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7e9a172 in QWaitCondition::wait (this=0x85d2d38, mutex=0x85d2d34, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb77daac2 in QHostInfoAgent::run (this=0x85d2d28) at kernel/qhostinfo.cpp:260
#5  0xb7e99132 in QThreadPrivate::start (arg=0x85d2d28) at thread/qthread_unix.cpp:188
#6  0xb65b44ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb678949e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb60c2a10 (LWP 3350)):
[KCrash Handler]
#6  0xb796d25a in KDirModel::dirLister (this=0x848d400) at /build/buildd/kde4libs-4.3.0/kio/kio/kdirmodel.cpp:353
#7  0xb5d76f6e in KFilePreviewGenerator::qt_metacall (this=0x880e9a8, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfcbb7c8)
    at /build/buildd/kde4libs-4.3.0/obj-i486-linux-gnu/kfile/kfilepreviewgenerator.moc:89
#8  0xb7fa31b8 in QMetaObject::activate (sender=0x83fa598, from_signal_index=7, to_signal_index=7, argv=0x0) at kernel/qobject.cpp:3113
#9  0xb7fa3e42 in QMetaObject::activate (sender=0x83fa598, m=0xb72c7408, local_signal_index=3, argv=0x0) at kernel/qobject.cpp:3187
#10 0xb70db107 in QClipboard::dataChanged (this=0x83fa598) at .moc/release-shared/moc_qclipboard.cpp:108
#11 0xb6ac5d55 in QApplication::x11ProcessEvent (this=0x8391298, event=0xbfcbcd2c) at kernel/qapplication_x11.cpp:3384
#12 0xb6af137a in x11EventSourceDispatch (s=0x83d1ab0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#13 0xb6601b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#14 0xb66050eb in ?? () from /usr/lib/libglib-2.0.so.0
#15 0xb6605268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#16 0xb7fb92f8 in QEventDispatcherGlib::processEvents (this=0x83cee30, flags={i = -1077162264}) at kernel/qeventdispatcher_glib.cpp:327
#17 0xb6af0a75 in QGuiEventDispatcherGlib::processEvents (this=0x83cee30, flags={i = -1077162216}) at kernel/qguieventdispatcher_glib.cpp:202
#18 0xb7f8c1fa in QEventLoop::processEvents (this=0xbfcbcf90, flags={i = -1077162152}) at kernel/qeventloop.cpp:149
#19 0xb7f8c642 in QEventLoop::exec (this=0xbfcbcf90, flags={i = -1077162088}) at kernel/qeventloop.cpp:201
#20 0xb7f8eae9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#21 0xb6a4ebb7 in QApplication::exec () at kernel/qapplication.cpp:3525
#22 0xb4c14120 in kdemain (argc=1, argv=0x83aa358) at /build/buildd/kdebase-workspace-4.3.0/plasma/shells/desktop/main.cpp:50
#23 0x0804e27d in launch (argc=1, _name=0x8358324 "/usr/bin/plasma-desktop", args=0x835833c "", cwd=0x0, envc=0, envs=0x8358340 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x805136d "0") at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:676
#24 0x0804ea5d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1168
#25 0x0804efe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1361
#26 0x0804fbca in main (argc=2, argv=0xbfcbd784, envp=0xbfcbd790) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1788

Reported using DrKonqi