Application that crashed: dolphin
Version of the application: 1.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-15-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Dolphin, two tabs (both local samba-server), while drag and drop a folder to move it from one tab to the other, it crashed.

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#6  0x01ef18ec in QString::operator== (this=0xbf98d184, other=...) at tools/qstring.cpp:1912
#7  0x086a775d in QHashNode<QString, long long>::same_key (this=0x1e, akey=..., ahp=0x0) at ../../include/QtCore/../../src/corelib/tools/qhash.h:215
#8  QHash<QString, long long>::findNode (this=0x1e, akey=..., ahp=0x0) at ../../include/QtCore/../../src/corelib/tools/qhash.h:860
#9  0x086a618a in QHash<QString, long long>::value (this=0x8f23910, key=...) at ../../include/QtCore/../../src/corelib/tools/qhash.h:600
#10 QPMCache::object (this=0x8f23910, key=...) at image/qpixmapcache.cpp:179
#11 0x086a61db in QPixmapCache::find (key=..., pm=...) at image/qpixmapcache.cpp:248
#12 0x011fcf7f in KPixmapCache::find (this=0x8f2c8f0, key=..., pix=...) at ../../kdeui/util/kpixmapcache.cpp:1295
#13 0x0114b8eb in KIconCache::find (this=0x8f2c8f0, key=..., pix=...) at ../../kdeui/icons/kiconcache.cpp:292
#14 0x0114cb80 in KIconCache::find (this=0x8f2c8f0, key=..., pix=..., path=0x0) at ../../kdeui/icons/kiconcache.cpp:277
#15 0x0113f5a5 in KIconLoader::loadIcon (this=0x8ee4f40, _name=..., group=KIconLoader::NoGroup, size=16, state=0, overlays=..., path_store=0x0, canReturnNull=false)
    at ../../kdeui/icons/kiconloader.cpp:1083
#16 0x01168687 in KWidgetJobTracker::Private::ProgressWidget::init (this=0x9486ba8) at ../../kdeui/jobs/kwidgetjobtracker.cpp:446
#17 0x011697ed in ProgressWidget (this=0x9355670, job=0x93bfd08) at ../../kdeui/jobs/kwidgetjobtracker_p.h:85
#18 KWidgetJobTracker::registerJob (this=0x9355670, job=0x93bfd08) at ../../kdeui/jobs/kwidgetjobtracker.cpp:83
#19 0x00a0071b in KDynamicJobTracker::registerJob (this=0x938d7f0, job=0x93bfd08) at ../../kio/kio/kdynamicjobtracker.cpp:77
#20 0x0098c323 in KIO::CopyJobPrivate::newJob (src=..., dest=..., mode=KIO::CopyJob::Move, asMethod=false, flags=...) at ../../kio/kio/copyjob.cpp:235
#21 0x00981247 in KIO::move (src=..., dest=..., flags=...) at ../../kio/kio/copyjob.cpp:1990
#22 0x0017d190 in KonqOperations::doDropFileCopy() () from /usr/lib/libkonq.so.5
#23 0x0017f05b in KonqOperations::asyncDrop(KFileItem const&) () from /usr/lib/libkonq.so.5
#24 0x0017f8b5 in KonqOperations::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkonq.so.5
#25 0x01facf0b in QMetaCallEvent::placeMetaCall (this=0x942e248, object=0x947ce58) at kernel/qobject.cpp:477
#26 0x01fae5fe in QObject::event (this=0x947ce58, e=0x9206168) at kernel/qobject.cpp:1111
#27 0x085d3f54 in QApplicationPrivate::notify_helper (this=0x8edb990, receiver=0x947ce58, e=0x942e248) at kernel/qapplication.cpp:4056
#28 0x085db67c in QApplication::notify (this=0xbf98e0ac, receiver=0x947ce58, e=0x942e248) at kernel/qapplication.cpp:3603
#29 0x01173bfa in KApplication::notify (this=0xbf98e0ac, receiver=0x947ce58, event=0x942e248) at ../../kdeui/kernel/kapplication.cpp:302
#30 0x01f9e6cb in QCoreApplication::notifyInternal (this=0xbf98e0ac, receiver=0x947ce58, event=0x942e248) at kernel/qcoreapplication.cpp:610
#31 0x01f9f2b2 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x8ebde48) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#32 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8ebde48) at kernel/qcoreapplication.cpp:1247
#33 0x01f9f47d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#34 0x01fc93ff in QCoreApplication::sendPostedEvents (s=0x8ede110) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#35 postEventSourceDispatch (s=0x8ede110) at kernel/qeventdispatcher_glib.cpp:210
#36 0x02fede78 in g_main_dispatch (context=0x8ede090) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:1960
#37 IA__g_main_context_dispatch (context=0x8ede090) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2513
#38 0x02ff1720 in g_main_context_iterate (context=0x8ede090, block=<value optimized out>, dispatch=1, self=0x8eeb370) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2591
#39 0x02ff1853 in IA__g_main_context_iteration (context=0x8ede090, may_block=1) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2654
#40 0x01fc902c in QEventDispatcherGlib::processEvents (this=0x8ebda30, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#41 0x08674be5 in QGuiEventDispatcherGlib::processEvents (this=0x8ebda30, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#42 0x01f9cc79 in QEventLoop::processEvents (this=0xbf98e004, flags=) at kernel/qeventloop.cpp:149
#43 0x01f9d0ca in QEventLoop::exec (this=0xbf98e004, flags=...) at kernel/qeventloop.cpp:201
#44 0x01f9f53f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#45 0x085d3dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#46 0x0807a745 in _start ()

Reported using DrKonqi