Version:           3.4 (using KDE KDE 3.4.0)
Installed from:    Slackware Packages
OS:                Linux

To reproduce:

1- Load Konqueror, select Text View Mode.

2- It selects the files that want to delete using Shift, and press Del. Sometime your Konqueror will be crash.

Backtrace:

[KCrash handler]
#6  0x402474c9 in KFileItem::localPath () from /opt/kde/lib/libkio.so.4
#7  0x4024b77c in KFileItem::mostLocalURL () from /opt/kde/lib/libkio.so.4
#8  0x40247c60 in KFileItem::determineMimeType () from /opt/kde/lib/libkio.so.4
#9  0x40247bcc in KFileItem::mimetype () from /opt/kde/lib/libkio.so.4
#10 0x4026edf1 in KIO::PreviewJob::startPreview ()
   from /opt/kde/lib/libkio.so.4
#11 0x4026e11d in KIO::PreviewJob::qt_invoke () from /opt/kde/lib/libkio.so.4
#12 0x40c1f1ec in QObject::activate_signal ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#13 0x40f4216a in QSignal::signal () from /usr/lib/qt/lib/libqt-mt.so.3
#14 0x40c393cd in QSignal::activate () from /usr/lib/qt/lib/libqt-mt.so.3
#15 0x40c40d03 in QSingleShotTimer::event () from /usr/lib/qt/lib/libqt-mt.so.3
#16 0x40bc294f in QApplication::internalNotify ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#17 0x40bc1f4e in QApplication::notify () from /usr/lib/qt/lib/libqt-mt.so.3
#18 0x407494f5 in KApplication::notify () from /opt/kde/lib/libkdecore.so.4
#19 0x40bb2185 in QEventLoop::activateTimers ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#20 0x40b6c8eb in QEventLoop::processEvents ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#21 0x40bd4d08 in QEventLoop::enterLoop () from /usr/lib/qt/lib/libqt-mt.so.3
#22 0x40bd4bb8 in QEventLoop::exec () from /usr/lib/qt/lib/libqt-mt.so.3
#23 0x40bc2ba1 in QApplication::exec () from /usr/lib/qt/lib/libqt-mt.so.3
#24 0x41f4022c in kdemain () from /opt/kde/lib/libkdeinit_konqueror.so
#25 0x4091f7b6 in kdeinitmain () from /opt/kde/lib/kde3/konqueror.so
#59 0x41060cc0 in vtable for QGArray () from /usr/lib/qt/lib/libqt-mt.so.3
#66 0x4138aff4 in ?? () from /lib/libpthread.so.0
#67 0x41061008 in vtable for QPtrCollection ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#75 0x415e4f01 in ?? () from /lib/libc.so.6
#76 0x415e69c0 in __libc_tsd_MALLOC_data () from /lib/libc.so.6
#77 0xbffff278 in ?? ()
#78 0x4152d7c2 in malloc () from /lib/libc.so.6
#108 0x080525f8 in vtable for QCString ()
#131 0x4147547d in operator delete () from /usr/lib/./libstdc++.so.5