Version:            (using Devel)
Compiler:          gcc 4.3.0 
OS:                Linux
Installed from:    Compiled sources

Hi, below is the backtrace; I was at http://en.wikipedia.org/wiki/Super_Robin_Hood, and was either loading a link or going back (can't remember) but I can't reproduce at the moment. SVN 860661.

Application: Konqueror (konqueror), signal SIGABRT
[Current thread is 0 (LWP 9454)]

Thread 3 (Thread 0xb11f1b90 (LWP 9574)):
#0  0xb7f1b410 in __kernel_vsyscall ()
#1  0xb6502881 in select () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7445ac0 in QProcessManager::run (this=0x8061a70) at io/qprocess_unix.cpp:307
#3  0xb7376782 in QThreadPrivate::start (arg=0x8061a70) at thread/qthread_unix.cpp:190
#4  0xb72e94fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb6509e5e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xb2a44b90 (LWP 11373)):
#0  0xb7f1b410 in __kernel_vsyscall ()
#1  0xb72eddd2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb737779c in QWaitCondition::wait (this=0x876d220, mutex=0x876d21c, time=30000) at thread/qwaitcondition_unix.cpp:86
#3  0xb736c8ce in QThreadPoolThread::run (this=0x8573a00) at concurrent/qthreadpool.cpp:141
#4  0xb7376782 in QThreadPrivate::start (arg=0x8573a00) at thread/qthread_unix.cpp:190
#5  0xb72e94fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6  0xb6509e5e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5fa4720 (LWP 9454)):
[KCrash Handler]
#6  0xb7f1b410 in __kernel_vsyscall ()
#7  0xb645e085 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb645fa01 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb64a1835 in ?? () from /lib/tls/i686/cmov/libc.so.6
#10 0xb64a2495 in free () from /lib/tls/i686/cmov/libc.so.6
#11 0xb7370fbd in qFree (ptr=0x84eb188) at global/qmalloc.cpp:62
#12 0xb76263db in ~KFilterDev (this=0x84eb188) at /home/gaston/prefix/include/QtCore/qbytearray.h:370
#13 0xb414cdcf in ~KHTMLPageCacheEntry (this=0x88587c0) at /home/gaston/cuisine/trunk/kdelibs/khtml/khtml_pagecache.cpp:94
#14 0xb414d9fa in KHTMLPageCache::createCacheEntry (this=0x835f860) at /home/gaston/cuisine/trunk/kdelibs/khtml/khtml_pagecache.cpp:158
#15 0xb40fa8bb in KHTMLPart::slotData (this=0x8470a80, kio_job=0x99f0908, data=@0xbfa55a64) at /home/gaston/cuisine/trunk/kdelibs/khtml/khtml_part.cpp:1596
#16 0xb411e447 in KHTMLPart::qt_metacall (this=0x8470a80, _c=QMetaObject::InvokeMetaMethod, _id=19, _a=0xbfa557b8) at /home/gaston/cuisine/kdelibs-build/khtml/khtml_part.moc:264
#17 0xb747b5e0 in QMetaObject::activate (sender=0x99f0908, from_signal_index=40, to_signal_index=40, argv=0xbfa557b8) at kernel/qobject.cpp:3016
#18 0xb747c362 in QMetaObject::activate (sender=0x99f0908, m=0xb7de2c30, local_signal_index=0, argv=0xbfa557b8) at kernel/qobject.cpp:3086
#19 0xb7c2f889 in KIO::TransferJob::data (this=0x99f0908, _t1=0x99f0908, _t2=@0xbfa55a64) at /home/gaston/cuisine/kdelibs-build/kio/jobclasses.moc:356
#20 0xb7c301a2 in KIO::TransferJob::slotData (this=0x99f0908, _data=@0xbfa55a64) at /home/gaston/cuisine/trunk/kdelibs/kio/kio/job.cpp:918
#21 0xb7c3eef5 in KIO::TransferJob::qt_metacall (this=0x99f0908, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfa558dc) at /home/gaston/cuisine/kdelibs-build/kio/jobclasses.moc:337
#22 0xb747b5e0 in QMetaObject::activate (sender=0x9cc1f28, from_signal_index=4, to_signal_index=4, argv=0xbfa558dc) at kernel/qobject.cpp:3016
#23 0xb747c362 in QMetaObject::activate (sender=0x9cc1f28, m=0xb7de5704, local_signal_index=0, argv=0xbfa558dc) at kernel/qobject.cpp:3086
#24 0xb7cfd023 in KIO::SlaveInterface::data (this=0x9cc1f28, _t1=@0xbfa55a64) at /home/gaston/cuisine/kdelibs-build/kio/slaveinterface.moc:138
#25 0xb7d00e4c in KIO::SlaveInterface::dispatch (this=0x9cc1f28, _cmd=100, rawdata=@0xbfa55a64) at /home/gaston/cuisine/trunk/kdelibs/kio/kio/slaveinterface.cpp:163
#26 0xb7cfd3ed in KIO::SlaveInterface::dispatch (this=0x9cc1f28) at /home/gaston/cuisine/trunk/kdelibs/kio/kio/slaveinterface.cpp:91
#27 0xb7cecedd in KIO::Slave::gotInput (this=0x9cc1f28) at /home/gaston/cuisine/trunk/kdelibs/kio/kio/slave.cpp:319
#28 0xb7cef923 in KIO::Slave::qt_metacall (this=0x9cc1f28, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfa55b78) at /home/gaston/cuisine/kdelibs-build/kio/slave.moc:75
#29 0xb747b5e0 in QMetaObject::activate (sender=0x9318870, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3016
#30 0xb747c362 in QMetaObject::activate (sender=0x9318870, m=0xb7de22c0, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3086
#31 0xb7bfd1b7 in KIO::Connection::readyRead (this=0x9318870) at /home/gaston/cuisine/kdelibs-build/kio/connection.moc:84
#32 0xb7bff279 in KIO::ConnectionPrivate::dequeue (this=0x99e3218) at /home/gaston/cuisine/trunk/kdelibs/kio/kio/connection.cpp:82
#33 0xb7bff406 in KIO::Connection::qt_metacall (this=0x9318870, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x8e8fea8) at /home/gaston/cuisine/kdelibs-build/kio/connection.moc:72
#34 0xb747473b in QMetaCallEvent::placeMetaCall (this=0x9b0ebf8, object=0x9318870) at kernel/qobject.cpp:535
#35 0xb74762f9 in QObject::event (this=0x9318870, e=0x9b0ebf8) at kernel/qobject.cpp:1140
#36 0xb699570c in QApplicationPrivate::notify_helper (this=0x805e478, receiver=0x9318870, e=0x9b0ebf8) at kernel/qapplication.cpp:3800
#37 0xb699d58e in QApplication::notify (this=0xbfa56504, receiver=0x9318870, e=0x9b0ebf8) at kernel/qapplication.cpp:3392
#38 0xb79caf6d in KApplication::notify (this=0xbfa56504, receiver=0x9318870, event=0x9b0ebf8) at /home/gaston/cuisine/trunk/kdelibs/kdeui/kernel/kapplication.cpp:307
#39 0xb7466931 in QCoreApplication::notifyInternal (this=0xbfa56504, receiver=0x9318870, event=0x9b0ebf8) at kernel/qcoreapplication.cpp:591
#40 0xb74675a5 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x804b758) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#41 0xb74677bd in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1095
#42 0xb749124f in postEventSourceDispatch (s=0x8060d20) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#43 0xb624add6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#44 0xb624e193 in ?? () from /usr/lib/libglib-2.0.so.0
#45 0xb624e74e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#46 0xb7490e98 in QEventDispatcherGlib::processEvents (this=0x805e360, flags={i = -1079680456}) at kernel/qeventdispatcher_glib.cpp:325
#47 0xb6a2e5b5 in QGuiEventDispatcherGlib::processEvents (this=0x805e360, flags={i = -1079680408}) at kernel/qguieventdispatcher_glib.cpp:204
#48 0xb746501a in QEventLoop::processEvents (this=0xbfa562e0, flags={i = -1079680344}) at kernel/qeventloop.cpp:149
#49 0xb74651da in QEventLoop::exec (this=0xbfa562e0, flags={i = -1079680280}) at kernel/qeventloop.cpp:200
#50 0xb7467885 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:849
#51 0xb6995587 in QApplication::exec () at kernel/qapplication.cpp:3330
#52 0xb7f014ad in kdemain (argc=2, argv=0xbfa56824) at /home/gaston/cuisine/trunk/kdebase/apps/konqueror/src/konqmain.cpp:227
#53 0x08048712 in main (argc=) at /home/gaston/cuisine/kdebase-build/apps/konqueror/src/konqueror_dummy.cpp:3