Version:            (using KDE 4.3.0)
OS:                Linux
Installed from:    Ubuntu Packages

I started up konqueror and opened a web page, it suddendly crashed.

I'm unable to replicate it any more but I have the backtrace, I hope this can help anyway.

Application that crashed: konqueror
Version of the application: 4.3.00 (KDE 4.3.0)
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-14-generic x86_64
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 29823)]

Thread 2 (Thread 0x7f7831a05950 (LWP 29878)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x00007f784c007cf7 in QWaitCondition::wait (this=0x2de9a78, mutex=0x2de9a70, time=30000) at thread/qwaitcondition_unix.cpp:85
#2  0x00007f784bffd929 in QThreadPoolThread::run (this=0x2d218d0) at concurrent/qthreadpool.cpp:140
#3  0x00007f784c006d35 in QThreadPrivate::start (arg=0x2d218d0) at thread/qthread_unix.cpp:188
#4  0x00007f7847f003ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f7848ae4fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f784c5cd750 (LWP 29823)):
[KCrash Handler]
#5  KonqView::supportsMimeType (this=0x0, mimeType=<value optimized out>) at /build/buildd/kdebase-4.3.0/apps/konqueror/src/konqview.h:266
#6  0x00007f783ffc56c0 in KonqView::showsDirectory (this=0x0) at /build/buildd/kdebase-4.3.0/apps/konqueror/src/konqview.cpp:1498
#7  0x00007f783ffc263d in KonqRun::tryOpenView (this=0x2d05af0, mimeType=@0x7fff54601730, associatedAppIsKonqueror=false) at /build/buildd/kdebase-4.3.0/apps/konqueror/src/konqrun.cpp:151
#8  0x00007f783ffc2773 in KonqRun::foundMimeType (this=0x2d05af0, _type=<value optimized out>) at /build/buildd/kdebase-4.3.0/apps/konqueror/src/konqrun.cpp:93
#9  0x00007f784b28a002 in KRun::mimeTypeDetermined (this=0x7fff54601560, mimeType=@0x2d03658) at /build/buildd/kde4libs-4.3.0/kio/kio/krun.cpp:1360
#10 0x00007f784b921d1e in KParts::BrowserRun::slotBrowserMimetype (this=0x2d05af0, _job=<value optimized out>, type=@0x7fff54601d50) at /build/buildd/kde4libs-4.3.0/kparts/browserrun.cpp:222
#11 0x00007f784b922eed in KParts::BrowserRun::qt_metacall (this=0x2d05af0, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fff546019f0)
    at /build/buildd/kde4libs-4.3.0/obj-x86_64-linux-gnu/kparts/browserrun.moc:74
#12 0x00007f783ffc3666 in KonqRun::qt_metacall (this=0x7fff54601560, _c=47199832, _id=47197185, _a=0x0) at /build/buildd/kdebase-4.3.0/obj-x86_64-linux-gnu/apps/konqueror/src/konqrun.moc:63
#13 0x00007f784c105ea2 in QMetaObject::activate (sender=0x2838e30, from_signal_index=<value optimized out>, to_signal_index=44, argv=0x0) at kernel/qobject.cpp:3113
#14 0x00007f784b20eb47 in KIO::TransferJob::mimetype (this=0x7fff54601560, _t1=0x2838e30, _t2=<value optimized out>) at /build/buildd/kde4libs-4.3.0/obj-x86_64-linux-gnu/kio/jobclasses.moc:392
#15 0x00007f784b214581 in KIO::TransferJob::qt_metacall (this=0x2838e30, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff54601b20)
    at /build/buildd/kde4libs-4.3.0/obj-x86_64-linux-gnu/kio/jobclasses.moc:346
#16 0x00007f784c105ea2 in QMetaObject::activate (sender=0x2806b60, from_signal_index=<value optimized out>, to_signal_index=23, argv=0x0) at kernel/qobject.cpp:3113
#17 0x00007f784b2d1f75 in KIO::SlaveInterface::mimeType (this=0x7fff54601560, _t1=<value optimized out>) at /build/buildd/kde4libs-4.3.0/obj-x86_64-linux-gnu/kio/slaveinterface.moc:267
#18 0x00007f784b2d5550 in KIO::SlaveInterface::dispatch (this=0x2806b60, _cmd=21, rawdata=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kio/kio/slaveinterface.cpp:270
#19 0x00007f784b2d25e2 in KIO::SlaveInterface::dispatch (this=0x2806b60) at /build/buildd/kde4libs-4.3.0/kio/kio/slaveinterface.cpp:91
#20 0x00007f784b2c5163 in KIO::Slave::gotInput (this=0x2806b60) at /build/buildd/kde4libs-4.3.0/kio/kio/slave.cpp:322
#21 0x00007f784b2c73c8 in KIO::Slave::qt_metacall (this=0x2806b60, _c=QMetaObject::InvokeMetaMethod, _id=1415583216, _a=0x7fff54601f10)
    at /build/buildd/kde4libs-4.3.0/obj-x86_64-linux-gnu/kio/slave.moc:76
#22 0x00007f784c105ea2 in QMetaObject::activate (sender=0x282adf0, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#23 0x00007f784b1e2801 in KIO::ConnectionPrivate::dequeue (this=0x2853c30) at /build/buildd/kde4libs-4.3.0/kio/kio/connection.cpp:82
#24 0x00007f784b1e2c5a in KIO::Connection::qt_metacall (this=0x282adf0, _c=QMetaObject::InvokeMetaMethod, _id=1415583216, _a=0x2973960)
    at /build/buildd/kde4libs-4.3.0/obj-x86_64-linux-gnu/kio/connection.moc:73
#25 0x00007f784c1005d8 in QObject::event (this=0x282adf0, e=0x2cfd940) at kernel/qobject.cpp:1111
#26 0x00007f78496bbf4d in QApplicationPrivate::notify_helper (this=0x269eea0, receiver=0x282adf0, e=0x2cfd940) at kernel/qapplication.cpp:4056
#27 0x00007f78496c418a in QApplication::notify (this=0x7fff54602b50, receiver=0x282adf0, e=0x2cfd940) at kernel/qapplication.cpp:4021
#28 0x00007f784a7ce71b in KApplication::notify (this=0x7fff54602b50, receiver=0x282adf0, event=0x2cfd940) at /build/buildd/kde4libs-4.3.0/kdeui/kernel/kapplication.cpp:302
#29 0x00007f784c0f06ac in QCoreApplication::notifyInternal (this=0x7fff54602b50, receiver=0x282adf0, event=0x2cfd940) at kernel/qcoreapplication.cpp:610
#30 0x00007f784c0f131a in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x2606320) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#31 0x00007f784c119e03 in postEventSourceDispatch (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#32 0x00007f784814f20a in IA__g_main_context_dispatch (context=0x26a1920) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#33 0x00007f78481528e0 in g_main_context_iterate (context=0x26a1920, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#34 0x00007f7848152a7c in IA__g_main_context_iteration (context=0x26a1920, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#35 0x00007f784c119a8f in QEventDispatcherGlib::processEvents (this=0x269e5b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#36 0x00007f7849754bdf in QGuiEventDispatcherGlib::processEvents (this=0x7fff54601560, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#37 0x00007f784c0eef42 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 1415587984}) at kernel/qeventloop.cpp:149
#38 0x00007f784c0ef314 in QEventLoop::exec (this=0x7fff546028d0, flags={i = 1415588064}) at kernel/qeventloop.cpp:201
#39 0x00007f784c0f15e4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#40 0x00007f784004ed02 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /build/buildd/kdebase-4.3.0/apps/konqueror/src/konqmain.cpp:271
#41 0x0000000000407215 in launch (argc=2, _name=0x2646658 "/usr/bin/konqueror", args=<value optimized out>, cwd=0x0, envc=0, envs=0x264667c "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x2646684 "Japot;1249480588;825363;7683_TIME28486950") at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:676
#42 0x0000000000407a38 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1168
#43 0x0000000000407fe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1361
#44 0x0000000000408b26 in main (argc=2, argv=0x7fff54604238, envp=0x7fff54604250) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1788

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