Application: konqueror (4.8.2 (4.8.2))
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-23-generic-pae i686
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
Whenever Konqueror switches to an embedded KPart e.g. gwenview or okular, it will crash with the attached backtrace.

For me, running:

konqueror http://www.google.co.uk/images/nav_logo_hp2.png

(which, with my config, will attempt to use the embedded gwenview KPart to view the png file) will crash konqueror with 100% reproducibilty.  Seems superficially similar to Bug 265217; maybe adawit will have some insight into it :)

The crash can be reproduced every time.

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb4ba1740 (LWP 27144))]

Thread 4 (Thread 0xb00a7b40 (LWP 27148)):
#0  0xb7736424 in __kernel_vsyscall ()
#1  0xb7572380 in __GI___poll (fds=0xaf702278, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb51c8a3b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb51bb06e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb51bb1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb66b98e7 in QEventDispatcherGlib::processEvents (this=0xaf700468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb668550d in QEventLoop::processEvents (this=0xb00a7240, flags=...) at kernel/qeventloop.cpp:149
#7  0xb66857a9 in QEventLoop::exec (this=0xb00a7240, flags=...) at kernel/qeventloop.cpp:204
#8  0xb656e94c in QThread::exec (this=0x9785f48) at thread/qthread.cpp:501
#9  0xb6662b5d in QInotifyFileSystemWatcherEngine::run (this=0x9785f48) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb6571de0 in QThreadPrivate::start (arg=0x9785f48) at thread/qthread_unix.cpp:298
#11 0xb5282d4c in start_thread (arg=0xb00a7b40) at pthread_create.c:308
#12 0xb7580ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xae6ffb40 (LWP 29236)):
#0  0xb7736424 in __kernel_vsyscall ()
#1  0xb528696b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb758e3dc in __pthread_cond_wait (cond=0xa7d68a30, mutex=0xa7d68a18) at forward.c:139
#3  0xa7637263 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xa763737f in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb5282d4c in start_thread (arg=0xae6ffb40) at pthread_create.c:308
#6  0xb7580ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xaf0f5b40 (LWP 29237)):
#0  0xb7736424 in __kernel_vsyscall ()
#1  0xb7572380 in __GI___poll (fds=0x130d5608, nfds=1, timeout=1203) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb51c8a3b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb51bb06e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb51bb1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb66b98e7 in QEventDispatcherGlib::processEvents (this=0x1308f1f8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb668550d in QEventLoop::processEvents (this=0xaf0f5270, flags=...) at kernel/qeventloop.cpp:149
#7  0xb66857a9 in QEventLoop::exec (this=0xaf0f5270, flags=...) at kernel/qeventloop.cpp:204
#8  0xb656e94c in QThread::exec (this=0x1308e278) at thread/qthread.cpp:501
#9  0xb656ea3b in QThread::run (this=0x1308e278) at thread/qthread.cpp:568
#10 0xb6571de0 in QThreadPrivate::start (arg=0x1308e278) at thread/qthread_unix.cpp:298
#11 0xb5282d4c in start_thread (arg=0xaf0f5b40) at pthread_create.c:308
#12 0xb7580ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb4ba1740 (LWP 27144)):
[KCrash Handler]
#7  0x00000001 in ?? ()
#8  0xb669bb84 in QObject::property (this=0xd09b390, name=0x1235de30 "shortcut") at kernel/qobject.cpp:3741
#9  0xb6dd0f62 in KXMLGUIFactoryPrivate::configureAction (this=0x9545720, action=0xd09b390, attribute=..., shortcutOption=KXMLGUIFactoryPrivate::SetActiveShortcut) at ../../kdeui/xmlgui/kxmlguifactory.cpp:645
#10 0xb6dd193e in KXMLGUIFactoryPrivate::configureAction (this=0x9545720, action=0xd09b390, attributes=..., shortcutOption=KXMLGUIFactoryPrivate::SetActiveShortcut) at ../../kdeui/xmlgui/kxmlguifactory.cpp:620
#11 0xb6dd1b0a in KXMLGUIFactoryPrivate::applyActionProperties (this=0x9545720, actionPropElement=..., shortcutOption=KXMLGUIFactoryPrivate::SetActiveShortcut) at ../../kdeui/xmlgui/kxmlguifactory.cpp:607
#12 0xb6dd3f2c in KXMLGUIFactoryPrivate::refreshActionProperties (this=0x9545720, client=0x8f77e60, actions=..., doc=...) at ../../kdeui/xmlgui/kxmlguifactory.cpp:357
#13 0xb6dd4d81 in KXMLGUIFactory::plugActionList (this=0x9545108, client=0x8f77e60, name=..., actionList=...) at ../../kdeui/xmlgui/kxmlguifactory.cpp:576
#14 0xb6dcde89 in KXMLGUIClient::plugActionList (this=0x8f77e60, name=..., actionList=...) at ../../kdeui/xmlgui/kxmlguiclient.cpp:657
#15 0xb76c6063 in KonqMainWindow::plugViewModeActions (this=0x8f77ce0) at ../../../konqueror/src/konqmainwindow.cpp:4960
#16 0xb76e0aca in KonqMainWindow::updateViewModeActions (this=0x8f77ce0) at ../../../konqueror/src/konqmainwindow.cpp:4931
#17 0xb76e107e in KonqMainWindow::slotPartActivated (this=0x8f77ce0, part=0x1310ec60) at ../../../konqueror/src/konqmainwindow.cpp:2028
#18 0xb768a621 in KonqViewManager::emitActivePartChanged (this=0x8f468f8) at ../../../konqueror/src/konqviewmanager.cpp:1105
#19 0xb768a847 in KonqViewManager::doSetActivePart (this=0x8f468f8, part=0x1310ec60) at ../../../konqueror/src/konqviewmanager.cpp:1076
#20 0xb76d466a in KonqMainWindow::slotPartChanged (this=0x8f77ce0, childView=0x13804340, oldPart=0x134f2248, newPart=0x1310ec60) at ../../../konqueror/src/konqmainwindow.cpp:1856
#21 0xb76e27df in qt_static_metacall (_a=0xbffa0260, _id=52, _o=0x8f77ce0, _c=<optimized out>) at ./konqmainwindow.moc:361
#22 KonqMainWindow::qt_static_metacall (_o=0x8f77ce0, _c=QMetaObject::InvokeMetaMethod, _id=52, _a=0xbffa0260) at ./konqmainwindow.moc:303
#23 0xb669d6b1 in QMetaObject::activate (sender=0x13804340, m=0xb772ef78, local_signal_index=0, argv=0xbffa0260) at kernel/qobject.cpp:3547
#24 0xb7683805 in KonqView::sigPartChanged (this=0x13804340, _t1=0x13804340, _t2=0x134f2248, _t3=0x1310ec60) at ./konqview.moc:162
#25 0xb76838bb in KonqView::switchView (this=0x13804340, viewFactory=...) at ../../../konqueror/src/konqview.cpp:233
#26 0xb76849fe in changePart (forceAutoEmbed=true, serviceName=..., mimeType=..., this=0x13804340) at ../../../konqueror/src/konqview.cpp:350
#27 KonqView::changePart (this=0x13804340, mimeType=..., serviceName=..., forceAutoEmbed=true) at ../../../konqueror/src/konqview.cpp:300
#28 0xb7685289 in KonqView::ensureViewSupports (this=0x13804340, mimeType=..., forceAutoEmbed=true) at ../../../konqueror/src/konqview.cpp:297
#29 0xb76d12e6 in KonqMainWindow::openView (this=0x8f77ce0, mimeType=..., _url=..., childView=0x13804340, req=...) at ../../../konqueror/src/konqmainwindow.cpp:966
#30 0xb767dfcb in KonqRun::tryOpenView (this=0x12a86658, mimeType=..., associatedAppIsKonqueror=false) at ../../../konqueror/src/konqrun.cpp:157
#31 0xb767e1cc in KonqRun::foundMimeType (this=0x12a86658, _type=...) at ../../../konqueror/src/konqrun.cpp:89
#32 0xb706ed5f in KRun::mimeTypeDetermined (this=0x12a86658, mimeType=...) at ../../kio/kio/krun.cpp:1442
#33 0xb742aebb in KParts::BrowserRun::slotBrowserMimetype (this=0x12a86658, _job=0x12f795f0, type=...) at ../../kparts/browserrun.cpp:245
#34 0xb742b358 in qt_static_metacall (_a=0xbffa0914, _o=0x12a86658, _c=<optimized out>, _id=<optimized out>) at ./browserrun.moc:57
#35 KParts::BrowserRun::qt_static_metacall (_o=0x12a86658, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbffa0914) at ./browserrun.moc:50
#36 0xb669d6b1 in QMetaObject::activate (sender=0x12f795f0, m=0xb71d92cc, local_signal_index=4, argv=0xbffa0914) at kernel/qobject.cpp:3547
#37 0xb6ffe6bd in KIO::TransferJob::mimetype (this=0x12f795f0, _t1=0x12f795f0, _t2=...) at ./jobclasses.moc:475
#38 0xb6ffe728 in KIO::TransferJob::slotMimetype (this=0x12f795f0, type=...) at ../../kio/kio/job.cpp:1180
#39 0xb70009f7 in qt_static_metacall (_a=0xbffa0a78, _id=10, _o=0x12f795f0, _c=<optimized out>) at ./jobclasses.moc:391
#40 KIO::TransferJob::qt_static_metacall (_o=0x12f795f0, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbffa0a78) at ./jobclasses.moc:375
#41 0xb669d6b1 in QMetaObject::activate (sender=0x13e0f578, m=0xb71db480, local_signal_index=19, argv=0xbffa0a78) at kernel/qobject.cpp:3547
#42 0xb70b8515 in KIO::SlaveInterface::mimeType (this=0x13e0f578, _t1=...) at ./slaveinterface.moc:287
#43 0xb70bb0c3 in KIO::SlaveInterface::dispatch (this=0x13e0f578, _cmd=21, rawdata=...) at ../../kio/kio/slaveinterface.cpp:267
#44 0xb70b74ca in KIO::SlaveInterface::dispatch (this=0x13e0f578) at ../../kio/kio/slaveinterface.cpp:88
#45 0xb70a8b68 in KIO::Slave::gotInput (this=0x13e0f578) at ../../kio/kio/slave.cpp:344
#46 0xb70a91d0 in KIO::Slave::qt_static_metacall (_o=0x13e0f578, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbffa0d00) at ./slave.moc:57
#47 0xb669d6b1 in QMetaObject::activate (sender=0x13e0fe38, m=0xb71d8110, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#48 0xb6fc3ea5 in KIO::Connection::readyRead (this=0x13e0fe38) at ./connection.moc:106
#49 0xb6fc471a in dequeue (this=<optimized out>) at ../../kio/kio/connection.cpp:82
#50 KIO::ConnectionPrivate::dequeue (this=0x14105788) at ../../kio/kio/connection.cpp:71
#51 0xb6698c01 in QMetaCallEvent::placeMetaCall (this=0x115e36b8, object=0x13e0fe38) at kernel/qobject.cpp:525
#52 0xb66a1c7b in QObject::event (this=0x13e0fe38, e=0x115e36b8) at kernel/qobject.cpp:1195
#53 0xb5af1ed4 in notify_helper (e=0x115e36b8, receiver=0x13e0fe38, this=0x8e365b8) at kernel/qapplication.cpp:4559
#54 QApplicationPrivate::notify_helper (this=0x8e365b8, receiver=0x13e0fe38, e=0x115e36b8) at kernel/qapplication.cpp:4531
#55 0xb5af730d in QApplication::notify (this=0x115e36b8, receiver=0x13e0fe38, e=0x115e36b8) at kernel/qapplication.cpp:4288
#56 0xb6ca1b21 in KApplication::notify (this=0xbffa165c, receiver=0x13e0fe38, event=0x115e36b8) at ../../kdeui/kernel/kapplication.cpp:311
#57 0xb668697e in QCoreApplication::notifyInternal (this=0xbffa165c, receiver=0x13e0fe38, event=0x115e36b8) at kernel/qcoreapplication.cpp:876
#58 0xb668aad8 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#59 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8e05370) at kernel/qcoreapplication.cpp:1500
#60 0xb668ae0c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#61 0xb66b9494 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#62 postEventSourceDispatch (s=0x8e287d0) at kernel/qeventdispatcher_glib.cpp:279
#63 0xb51bacda in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#64 0xb51bb0e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#65 0xb51bb1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#66 0xb66b9887 in QEventDispatcherGlib::processEvents (this=0x8e05f08, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#67 0xb5baaaaa in QGuiEventDispatcherGlib::processEvents (this=0x8e05f08, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#68 0xb668550d in QEventLoop::processEvents (this=0xbffa14e4, flags=...) at kernel/qeventloop.cpp:149
#69 0xb66857a9 in QEventLoop::exec (this=0xbffa14e4, flags=...) at kernel/qeventloop.cpp:204
#70 0xb668aeba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#71 0xb5aefa74 in QApplication::exec () at kernel/qapplication.cpp:3820
#72 0xb7706695 in kdemain (argc=3, argv=0xbffa19b4) at ../../../konqueror/src/konqmain.cpp:242
#73 0x0804850b in main (argc=3, argv=0xbffa19b4) at konqueror_dummy.cpp:3

Reported using DrKonqi