Application that crashed: konqueror
Version of the application: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.1
Operating System: Linux 2.6.30-8-generic x86_64
Distribution: Ubuntu karmic (development branch)

What I was doing when the application crashed:
I just installed konqueror on this Ubuntu Karmic system with Gnome as the standard window manager, and when I ran it, I got this crash.

 -- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
[KCrash Handler]
#5  KonqView::supportsMimeType (this=0x0, mimeType=<value optimized out>) at ../../../../apps/konqueror/src/konqview.h:266
#6  0x00007f7712283c35 in KonqView::showsDirectory (this=0x0) at ../../../../apps/konqueror/src/konqview.cpp:1498
#7  0x00007f77122810c9 in KonqRun::tryOpenView (this=0x2841da0, mimeType=@0x7fffe31d4ac0, associatedAppIsKonqueror=false) at ../../../../apps/konqueror/src/konqrun.cpp:151
#8  0x00007f77122811eb in KonqRun::foundMimeType (this=0x2841da0, _type=<value optimized out>) at ../../../../apps/konqueror/src/konqrun.cpp:93
#9  0x00007f7710f57a12 in KRun::mimeTypeDetermined (this=0x285dc98, mimeType=@0x285ddf8) at ../../kio/kio/krun.cpp:1360
#10 0x00007f7711876c92 in KParts::BrowserRun::slotBrowserMimetype (this=0x2841da0, _job=<value optimized out>, type=@0x7fffe31d5090) at ../../kparts/browserrun.cpp:222
#11 0x00007f7711877e29 in KParts::BrowserRun::qt_metacall (this=0x2841da0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe31d4d90) at ./browserrun.moc:74
#12 0x00007f77122821a0 in KonqRun::qt_metacall (this=0x285dc98, _c=42327544, _id=42327297, _a=0x1) at ./konqrun.moc:63
#13 0x00007f770fbb3e12 in QMetaObject::activate (sender=0x284fc10, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x1) at kernel/qobject.cpp:3120
#14 0x00007f7710edc1c7 in KIO::TransferJob::mimetype (this=0x285dc98, _t1=0x284fc10, _t2=<value optimized out>) at ./jobclasses.moc:392
#15 0x00007f7710ee1be6 in KIO::TransferJob::qt_metacall (this=0x284fc10, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe31d4ed0) at ./jobclasses.moc:346
#16 0x00007f770fbb3e12 in QMetaObject::activate (sender=0x231a760, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x1) at kernel/qobject.cpp:3120
#17 0x00007f7710f9ebe5 in KIO::SlaveInterface::mimeType (this=0x285dc98, _t1=<value optimized out>) at ./slaveinterface.moc:267
#18 0x00007f7710fa2366 in KIO::SlaveInterface::dispatch (this=0x231a760, _cmd=21, rawdata=@0x7fffe31d50f0) at ../../kio/kio/slaveinterface.cpp:270
#19 0x00007f7710f9f263 in KIO::SlaveInterface::dispatch (this=0x231a760) at ../../kio/kio/slaveinterface.cpp:91
#20 0x00007f7710f92322 in KIO::Slave::gotInput (this=0x231a760) at ../../kio/kio/slave.cpp:322
#21 0x00007f7710f9432c in KIO::Slave::qt_metacall (this=0x231a760, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe31d5260) at ./slave.moc:76
#22 0x00007f770fbb3e12 in QMetaObject::activate (sender=0x2858140, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0x1) at kernel/qobject.cpp:3120
#23 0x00007f7710eb1087 in KIO::ConnectionPrivate::dequeue (this=0x231a5c0) at ../../kio/kio/connection.cpp:82
#24 0x00007f7710eb11ad in KIO::Connection::qt_metacall (this=0x2858140, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x26955d0) at ./connection.moc:73
#25 0x00007f770fbadef9 in QObject::event (this=0x2858140, e=0x2868b90) at kernel/qobject.cpp:1118
#26 0x00007f770f00b3fc in QApplicationPrivate::notify_helper (this=0x22bbc00, receiver=0x2858140, e=0x2868b90) at kernel/qapplication.cpp:4057
#27 0x00007f770f0126ae in QApplication::notify (this=0x7fffe31d5d60, receiver=0x2858140, e=0x2868b90) at kernel/qapplication.cpp:4022
#28 0x00007f77107aac36 in KApplication::notify (this=0x7fffe31d5d60, receiver=0x2858140, event=0x2868b90) at ../../kdeui/kernel/kapplication.cpp:302
#29 0x00007f770fb9e3ec in QCoreApplication::notifyInternal (this=0x7fffe31d5d60, receiver=0x2858140, event=0x2868b90) at kernel/qcoreapplication.cpp:610
#30 0x00007f770fb9eeda in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x229ee80)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#31 0x00007f770fbc7a93 in postEventSourceDispatch (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#32 0x00007f770bd138be in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#33 0x00007f770bd16f98 in ?? () from /usr/lib/libglib-2.0.so.0
#34 0x00007f770bd170c0 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#35 0x00007f770fbc7706 in QEventDispatcherGlib::processEvents (this=0x229eab0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:324
#36 0x00007f770f0a11de in QGuiEventDispatcherGlib::processEvents (this=0x285dc98, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#37 0x00007f770fb9ccc2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#38 0x00007f770fb9d094 in QEventLoop::exec (this=0x7fffe31d5b60, flags=) at kernel/qeventloop.cpp:200
#39 0x00007f770fb9f189 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#40 0x00007f771230d530 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../apps/konqueror/src/konqmain.cpp:271
#41 0x00007f7711ee95e6 in __libc_start_main (main=0x400730 <main>, argc=1, ubp_av=0x7fffe31d6848, init=0x400760 <__libc_csu_init>, fini=<value optimized out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fffe31d6838) at libc-start.c:220
#42 0x0000000000400669 in _start () at ../sysdeps/x86_64/elf/start.S:113

Reported using DrKonqi