Version:            (using Devel)
Installed from:    Compiled sources

I receive the following crash whenever I change some settings such as "show hidden files", "show previews" or when copying some files from one directory to another. Started occurring shortly after trunk was unfrozen.

Application: Dolphin (dolphin), signal SIGABRT

Thread 1 (Thread 0xb612b700 (LWP 12079)):
[KCrash Handler]
#6  0xb801c424 in __kernel_vsyscall ()
#7  0xb667c740 in raise () from /lib/libc.so.6
#8  0xb667e078 in abort () from /lib/libc.so.6
#9  0xb75f47a5 in qt_message_output () from /usr/lib/libQtCore.so.4
#10 0xb75f4856 in qFatal () from /usr/lib/libQtCore.so.4
#11 0xb75f48e5 in qt_assert () from /usr/lib/libQtCore.so.4
#12 0xb7e4be56 in KDirListerCache::updateDirectory (this=0x87b2bd0, _dir=@0x89b0af0) at /home/kde-devel/kde/src/KDE/kdelibs/kio/kio/kdirlister.cpp:581
#13 0xb7e52eca in KDirListerCache::emitItemsFromCache (this=0x87b2bd0, lister=0x8845778, items=@0x89b0af8, rootItem=@0x89b0afc, _url=@0x89b0af0, _reload=true, _emitCompleted=true)
    at /home/kde-devel/kde/src/KDE/kdelibs/kio/kio/kdirlister.cpp:289
#14 0xb7e52f60 in KDirLister::Private::CachedItemsJob::done (this=0x89b0ae0) at /home/kde-devel/kde/src/KDE/kdelibs/kio/kio/kdirlister.cpp:251
#15 0xb7e52fcf in KDirLister::Private::CachedItemsJob::qt_metacall (this=0x89b0ae0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x8725750)
    at /home/kde-devel/kde/build/KDE/kdelibs/kio/kdirlister_p.moc:154
#16 0xb76e221b in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#17 0xb76e3dc1 in QObject::event () from /usr/lib/libQtCore.so.4
#18 0xb6b4a8cc in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#19 0xb6b50cce in QApplication::notify () from /usr/lib/libQtGui.so.4
#20 0xb7bd9703 in KApplication::notify (this=0xbfa378e0, receiver=0x89b0ae0, event=0x87bee78) at /home/kde-devel/kde/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:311
#21 0xb76d5aa1 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#22 0xb76d63f9 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#23 0xb76d658d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#24 0xb76fc4df in ?? () from /usr/lib/libQtCore.so.4
#25 0x00000000 in ?? ()