Bug 296442

Application: kontact (4.8.0)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.0.0-17-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
Click on the Kontact or KMail icon. It crashes immediatly. Its not possible to open KMail. Restart of computer did not solve the problem.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f0f280377c0 (LWP 5252))]

Thread 4 (Thread 0x7f0f0c8cb700 (LWP 5253)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f0f24860c2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f0f24860d59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f0f2002defc in start_thread (arg=0x7f0f0c8cb700) at pthread_create.c:304
#4  0x00007f0f2557059d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f0f0bfaa700 (LWP 5254)):
#0  0x00007f0f25564473 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f0f1fb5bf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0f1fb5c429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0f25cdec06 in QEventDispatcherGlib::processEvents (this=0x25ffc20, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f0f25cae3e2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f0f25cae637 in QEventLoop::exec (this=0x7f0f0bfa9dc0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f0f25bae067 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f0f25bb108b in QThreadPrivate::start (arg=0x25ff890) at thread/qthread_unix.cpp:298
#8  0x00007f0f2002defc in start_thread (arg=0x7f0f0bfaa700) at pthread_create.c:304
#9  0x00007f0f2557059d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f0ebe8e6700 (LWP 5258)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f0ebe8e5ab0 in ?? ()
#2  0x00007fff873ff7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7f0f280377c0 (LWP 5252)):
[KCrash Handler]
#6  0x00007f0f2690d8dc in QTextLine::cursorToX (this=0x7fff873cecb0, cursorPos=0x7fff873cecf8, edge=QTextLine::Leading) at text/qtextlayout.cpp:2511
#7  0x00007f0f268ea9cc in cursorToX (edge=QTextLine::Leading, cursorPos=0, this=0x7fff873cecb0) at ../../include/QtGui/../../src/gui/text/qtextlayout.h:230
#8  QTextControlPrivate::rectForPosition (this=0x3423680, position=<optimized out>) at text/qtextcontrol.cpp:1368
#9  0x00007f0f268ee1e8 in QTextControl::ensureCursorVisible (this=<optimized out>) at text/qtextcontrol.cpp:2950
#10 0x00007f0f268f1d83 in QTextControl::setTextCursor (this=0x34234d0, cursor=...) at text/qtextcontrol.cpp:833
#11 0x00007f0ec2db3327 in Message::KMeditor::replaceSignature (this=0x341e610, oldSig=..., newSig=...) at ../../messagecomposer/kmeditor.cpp:708
#12 0x00007f0ec2da33c9 in Message::ComposerViewBase::identityChanged (this=0x2b9d1b0, ident=..., oldIdent=...) at ../../messagecomposer/composerviewbase.cpp:1146
#13 0x00007f0ec3701cf5 in KMComposeWin::slotIdentityChanged (this=0x2ba2570, uoid=1760262313, initalChange=true) at ../../kmail/kmcomposewin.cpp:2951
#14 0x00007f0ec3702b9b in KMComposeWin::setMsg (this=0x2ba2570, newMsg=..., mayAutoSign=false, allowDecryption=<optimized out>, isModified=false) at ../../kmail/kmcomposewin.cpp:1531
#15 0x00007f0ec36884d0 in KMKernel::recoverDeadLetters (this=<optimized out>) at ../../kmail/kmkernel.cpp:1105
#16 0x00007f0ec39d5bcd in KMailPart::KMailPart (this=0x28a6e50, parentWidget=0x25c2200, parent=0x25c2200, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../kmail/kmail_part.cpp:81
#17 0x00007f0ec39d6f8f in KPluginFactory::createPartInstance<KMailPart> (parentWidget=0x25c2200, parent=0x25c2200, args=...) at /usr/include/kpluginfactory.h:483
#18 0x00007f0f26223481 in KPluginFactory::create (this=0x28b36d0, iface=0x7f0f2527d360 "KParts::ReadOnlyPart", parentWidget=0x25c2200, parent=0x25c2200, args=..., keyword=<optimized out>) at ../../kdecore/util/kpluginfactory.cpp:203
#19 0x00007f0f278148c6 in create<KParts::ReadOnlyPart> (args=..., parent=0x25c2200, this=<optimized out>) at /usr/include/kpluginfactory.h:507
#20 KontactInterface::Core::createPart (this=0x25c2200, libname=0x286e2c8 "kmailpart") at ../../kontactinterface/core.cpp:87
#21 0x00007f0f089b16a0 in KMailPlugin::createPart (this=0x276ab30) at ../../../../kontact/plugins/kmail/kmail_plugin.cpp:183
#22 0x00007f0f278171d9 in KontactInterface::Plugin::part (this=0x276ab30) at ../../kontactinterface/plugin.cpp:191
#23 0x00007f0f27c51fa0 in Kontact::MainWindow::selectPlugin (this=0x25c2200, plugin=0x276ab30) at ../../../kontact/src/mainwindow.cpp:796
#24 0x00007f0f27c4e654 in Kontact::MainWindow::loadSettings (this=0x25c2200) at ../../../kontact/src/mainwindow.cpp:962
#25 0x00007f0f27c50a31 in Kontact::MainWindow::initObject (this=0x25c2200) at ../../../kontact/src/mainwindow.cpp:241
#26 0x00007f0f27c50f2d in Kontact::MainWindow::MainWindow (this=0x25c2200, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../../kontact/src/mainwindow.cpp:153
#27 0x00000000004041f4 in KontactApp::newInstance (this=0x7fff873d14f0) at ../../../kontact/src/main.cpp:134
#28 0x00007f0f273db2d2 in KUniqueApplicationAdaptor::newInstance (this=0x259dea0, asn_id=<optimized out>, args=...) at ../../kdeui/kernel/kuniqueapplication.cpp:442
#29 0x00007f0f273db372 in KUniqueApplicationAdaptor::qt_metacall (this=0x259dea0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff873d0780) at ./kuniqueapplication_p.moc:81
#30 0x00007f0f226a335b in QDBusConnectionPrivate::deliverCall (this=0x241b880, object=0x259dea0, msg=..., metaTypes=..., slotIdx=4) at qdbusintegrator.cpp:947
#31 0x00007f0f226a43fd in QDBusConnectionPrivate::activateCall (this=0x241b880, object=0x259dea0, flags=337, msg=...) at qdbusintegrator.cpp:850
#32 0x00007f0f226a4e1b in QDBusConnectionPrivate::activateObject (this=0x241b880, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1423
#33 0x00007f0f226a4f0b in QDBusActivateObjectEvent::placeMetaCall (this=0x25de9a0) at qdbusintegrator.cpp:1537
#34 0x00007f0f25cc8ba6 in QObject::event (this=0x7fff873d14f0, e=<optimized out>) at kernel/qobject.cpp:1195
#35 0x00007f0f266a6e64 in QApplication::event (this=0x7fff873d14f0, e=0x25de9a0) at kernel/qapplication.cpp:2537
#36 0x00007f0f266a3104 in notify_helper (e=0x25de9a0, receiver=0x7fff873d14f0, this=0x2435140) at kernel/qapplication.cpp:4555
#37 QApplicationPrivate::notify_helper (this=0x2435140, receiver=0x7fff873d14f0, e=0x25de9a0) at kernel/qapplication.cpp:4527
#38 0x00007f0f266a7f83 in QApplication::notify (this=0x7fff873d14f0, receiver=0x7fff873d14f0, e=0x25de9a0) at kernel/qapplication.cpp:4416
#39 0x00007f0f273d59a6 in KApplication::notify (this=0x7fff873d14f0, receiver=0x7fff873d14f0, event=0x25de9a0) at ../../kdeui/kernel/kapplication.cpp:311
#40 0x00007f0f25caf5fc in QCoreApplication::notifyInternal (this=0x7fff873d14f0, receiver=0x7fff873d14f0, event=0x25de9a0) at kernel/qcoreapplication.cpp:876
#41 0x00007f0f25cb33ca in sendEvent (event=0x25de9a0, receiver=0x7fff873d14f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x23fb380) at kernel/qcoreapplication.cpp:1500
#43 0x00007f0f25cde773 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#44 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#45 0x00007f0f1fb5ba5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f0f1fb5c258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f0f1fb5c429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f0f25cdeb9f in QEventDispatcherGlib::processEvents (this=0x23fcc10, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#49 0x00007f0f2674821e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007f0f25cae3e2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007f0f25cae637 in QEventLoop::exec (this=0x7fff873d1480, flags=...) at kernel/qeventloop.cpp:204
#52 0x00007f0f25cb36c7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#53 0x0000000000403629 in main (argc=1, argv=0x7fff873d1b18) at ../../../kontact/src/main.cpp:218

Possible duplicates by query: bug 296342, bug 296115, bug 295216, bug 294916, bug 293780.

Reported using DrKonqi