Application that crashed: dolphin
Version of the application: 1.3
KDE Version: 4.3.5 (KDE 4.3.5)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-20-generic-pae i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Dolphin was maximized, the folder in their biggest size and the video thumbnail preview on, when i reached a movie with the mouse cursor dolphin crashed

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5470920 (LWP 3140))]

Thread 2 (Thread 0xaf941b70 (LWP 3171)):
#0  0xb780a430 in __kernel_vsyscall ()
#1  0xb56f8142 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb5e788d4 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb06379ff in ?? () from /usr/lib/libxine.so.1
#4  0xb56f380e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb5e6b8de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5470920 (LWP 3140)):
[KCrash Handler]
#6  0xb5e14056 in memcpy () from /lib/tls/i686/cmov/libc.so.6
#7  0xaeed3000 in ?? ()
#8  0xb76e01d2 in KIO::PreviewJobPrivate::slotThumbData (this=0xaef13000, data=...) at ../../kio/kio/previewjob.cpp:507
#9  0xb76e2a29 in KIO::PreviewJob::qt_metacall (this=0xaf3d7e0, _c=QMetaObject::InvokeMetaMethod, _id=35, _a=0xbff52424) at ./previewjob.moc:81
#10 0xb6149263 in QMetaObject::activate (sender=0xaf37a68, from_signal_index=40, to_signal_index=40, argv=0xbff52424) at kernel/qobject.cpp:3113
#11 0xb6149ec2 in QMetaObject::activate (sender=0xaf37a68, m=0xb77e8350, local_signal_index=0, argv=0xbff52424) at kernel/qobject.cpp:3187
#12 0xb762fac9 in KIO::TransferJob::data (this=0xaf37a68, _t1=0xaf37a68, _t2=...) at ./jobclasses.moc:364
#13 0xb7630312 in KIO::TransferJob::slotData (this=0xaf37a68, _data=...) at ../../kio/kio/job.cpp:903
#14 0xb7635c45 in KIO::TransferJob::qt_metacall (this=0xaf37a68, _c=QMetaObject::InvokeMetaMethod, _id=48, _a=0xbff52578) at ./jobclasses.moc:344
#15 0xb6149263 in QMetaObject::activate (sender=0xaa023a0, from_signal_index=4, to_signal_index=4, argv=0xbff52578) at kernel/qobject.cpp:3113
#16 0xb6149ec2 in QMetaObject::activate (sender=0xaa023a0, m=0xb77eaf64, local_signal_index=0, argv=0xbff52578) at kernel/qobject.cpp:3187
#17 0xb7702b23 in KIO::SlaveInterface::data (this=0xaa023a0, _t1=...) at ./slaveinterface.moc:140
#18 0xb7706a87 in KIO::SlaveInterface::dispatch (this=0xaa023a0, _cmd=100, rawdata=...) at ../../kio/kio/slaveinterface.cpp:163
#19 0xb7702ec3 in KIO::SlaveInterface::dispatch (this=0xaa023a0) at ../../kio/kio/slaveinterface.cpp:91
#20 0xb76f4eba in KIO::Slave::gotInput (this=0xaa023a0) at ../../kio/kio/slave.cpp:323
#21 0xb76f7393 in KIO::Slave::qt_metacall (this=0xaa023a0, _c=QMetaObject::InvokeMetaMethod, _id=30, _a=0xbff5280c) at ./slave.moc:76
#22 0xb6149263 in QMetaObject::activate (sender=0xaa3c640, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#23 0xb6149ec2 in QMetaObject::activate (sender=0xaa3c640, m=0xb77e78a0, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#24 0xb75fe227 in KIO::Connection::readyRead (this=0xaa3c640) at ./connection.moc:86
#25 0xb75fffee in KIO::ConnectionPrivate::dequeue (this=0xaa85720) at ../../kio/kio/connection.cpp:82
#26 0xb760011e in KIO::Connection::qt_metacall (this=0xaa3c640, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xaf47138) at ./connection.moc:73
#27 0xb6141f0b in QMetaCallEvent::placeMetaCall (this=0xaf40cc8, object=0xaa3c640) at kernel/qobject.cpp:477
#28 0xb61435fe in QObject::event (this=0xaa3c640, e=0xaf40cc8) at kernel/qobject.cpp:1111
#29 0xb6348f54 in QApplicationPrivate::notify_helper (this=0x9fc7f30, receiver=0xaa3c640, e=0xaf40cc8) at kernel/qapplication.cpp:4056
#30 0xb635067c in QApplication::notify (this=0xbff530ac, receiver=0xaa3c640, e=0xaf40cc8) at kernel/qapplication.cpp:3603
#31 0xb705825a in KApplication::notify (this=0xbff530ac, receiver=0xaa3c640, event=0xaf40cc8) at ../../kdeui/kernel/kapplication.cpp:302
#32 0xb61336cb in QCoreApplication::notifyInternal (this=0xbff530ac, receiver=0xaa3c640, event=0xaf40cc8) at kernel/qcoreapplication.cpp:610
#33 0xb61342b2 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x9fa1e48) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#34 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9fa1e48) at kernel/qcoreapplication.cpp:1247
#35 0xb613447d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#36 0xb615e3ff in QCoreApplication::sendPostedEvents (s=0x9fcab10) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#37 postEventSourceDispatch (s=0x9fcab10) at kernel/qeventdispatcher_glib.cpp:210
#38 0xb573fe88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#39 0xb5743730 in ?? () from /lib/libglib-2.0.so.0
#40 0xb5743863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#41 0xb615e02c in QEventDispatcherGlib::processEvents (this=0x9fa1a30, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#42 0xb63e9be5 in QGuiEventDispatcherGlib::processEvents (this=0x9fa1a30, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#43 0xb6131c79 in QEventLoop::processEvents (this=0xbff53004, flags=) at kernel/qeventloop.cpp:149
#44 0xb61320ca in QEventLoop::exec (this=0xbff53004, flags=...) at kernel/qeventloop.cpp:201
#45 0xb613453f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#46 0xb6348dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#47 0x0807a6f5 in _start ()

Reported using DrKonqi