Bug 296342

Application: kontact (4.8.1)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.2.10-3.fc16.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:

Kontact freezed while composing mail. Now it always crashes on startup.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f8464d1b840 (LWP 16551))]

Thread 3 (Thread 0x7f8458039700 (LWP 16552)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x000000323cfb86ec in WTF::TCMalloc_PageHeap::scavengerThread (this=0x323d97cc20) at ../../../Source/JavaScriptCore/wtf/FastMalloc.cpp:2495
#2  0x000000323cfb8819 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../../../Source/JavaScriptCore/wtf/FastMalloc.cpp:1618
#3  0x000000321da07d90 in start_thread (arg=0x7f8458039700) at pthread_create.c:309
#4  0x000000321d6f0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f8457720700 (LWP 16553)):
#0  0x000000321d6e85c3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x000000321f244fd8 in g_main_context_poll (n_fds=1, fds=0x7f84500013e0, priority=<optimized out>, timeout=4739, context=0x7f84500009a0) at gmain.c:3402
#2  g_main_context_iterate (context=0x7f84500009a0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3084
#3  0x000000321f24549c in g_main_context_iteration (context=0x7f84500009a0, may_block=1) at gmain.c:3152
#4  0x00000032237a7dc6 in QEventDispatcherGlib::processEvents (this=0x7f84500008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003223778182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00000032237783d7 in QEventLoop::exec (this=0x7f845771fd40, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003223678b27 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x000000322367bb6b in QThreadPrivate::start (arg=0x201d820) at thread/qthread_unix.cpp:298
#9  0x000000321da07d90 in start_thread (arg=0x7f8457720700) at pthread_create.c:309
#10 0x000000321d6f0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f8464d1b840 (LWP 16551)):
[KCrash Handler]
#6  0x0000003225c3161b in QTextLine::cursorToX (this=0x7fffddf6ea10, cursorPos=0x7fffddf6ea58, edge=QTextLine::Leading) at text/qtextlayout.cpp:2511
#7  0x0000003225c0e86c in cursorToX (edge=QTextLine::Leading, cursorPos=0, this=0x7fffddf6ea10) at ../../src/gui/text/qtextlayout.h:230
#8  QTextControlPrivate::rectForPosition (this=0x377b900, position=<optimized out>) at text/qtextcontrol.cpp:1368
#9  0x0000003225c11d58 in QTextControl::ensureCursorVisible (this=0x377b8e0) at text/qtextcontrol.cpp:2950
#10 0x0000003225c15433 in QTextControl::setTextCursor (this=0x377b8e0, cursor=...) at text/qtextcontrol.cpp:833
#11 0x00000037bf68d1c7 in Message::KMeditor::replaceSignature (this=0x3776900, oldSig=..., newSig=...) at /usr/src/debug/kdepim-4.8.1/messagecomposer/kmeditor.cpp:708
#12 0x00000037bf67d469 in Message::ComposerViewBase::identityChanged (this=0x37236f0, ident=..., oldIdent=...) at /usr/src/debug/kdepim-4.8.1/messagecomposer/composerviewbase.cpp:1146
#13 0x00000037c0b5f395 in KMComposeWin::slotIdentityChanged (this=0x3500cc0, uoid=1011346122, initalChange=true) at /usr/src/debug/kdepim-4.8.1/kmail/kmcomposewin.cpp:2951
#14 0x00000037c0b6023b in KMComposeWin::setMsg (this=0x3500cc0, newMsg=..., mayAutoSign=false, allowDecryption=<optimized out>, isModified=false) at /usr/src/debug/kdepim-4.8.1/kmail/kmcomposewin.cpp:1531
#15 0x00000037c0ae644a in KMKernel::recoverDeadLetters (this=<optimized out>) at /usr/src/debug/kdepim-4.8.1/kmail/kmkernel.cpp:1107
#16 0x00007f840fdfaccd in KMailPart::KMailPart (this=0x2332710, parentWidget=0x2016170, parent=0x2016170, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/kdepim-4.8.1/kmail/kmail_part.cpp:81
#17 0x00007f840fdfc08f in KPluginFactory::createPartInstance<KMailPart> (parentWidget=0x2016170, parent=0x2016170, args=...) at /usr/include/kde4/kpluginfactory.h:483
#18 0x00000037b082d1a9 in KPluginFactory::create (this=0x233e900, iface=0x37b5a442a0 "KParts::ReadOnlyPart", parentWidget=0x2016170, parent=0x2016170, args=..., keyword=<optimized out>) at /usr/src/debug/kdelibs-4.8.1/kdecore/util/kpluginfactory.cpp:203
#19 0x00000037bc80edc6 in create<KParts::ReadOnlyPart> (args=..., parent=0x2016170, this=<optimized out>) at /usr/include/kde4/kpluginfactory.h:507
#20 KontactInterface::Core::createPart (this=0x2016170, libname=0x221f008 "kmailpart") at /usr/src/debug/kdepimlibs-4.8.1/kontactinterface/core.cpp:87
#21 0x00007f8454ed5760 in KMailPlugin::createPart (this=0x221cf30) at /usr/src/debug/kdepim-4.8.1/kontact/plugins/kmail/kmail_plugin.cpp:183
#22 0x00000037bc811739 in KontactInterface::Plugin::part (this=0x221cf30) at /usr/src/debug/kdepimlibs-4.8.1/kontactinterface/plugin.cpp:191
#23 0x00000037b7c210a0 in Kontact::MainWindow::selectPlugin (this=0x2016170, plugin=0x221cf30) at /usr/src/debug/kdepim-4.8.1/kontact/src/mainwindow.cpp:796
#24 0x00000037b7c1d854 in Kontact::MainWindow::loadSettings (this=0x2016170) at /usr/src/debug/kdepim-4.8.1/kontact/src/mainwindow.cpp:962
#25 0x00000037b7c1fc11 in Kontact::MainWindow::initObject (this=0x2016170) at /usr/src/debug/kdepim-4.8.1/kontact/src/mainwindow.cpp:241
#26 0x00000037b7c200fd in Kontact::MainWindow::MainWindow (this=0x2016170, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/kdepim-4.8.1/kontact/src/mainwindow.cpp:153
#27 0x0000000000404234 in KontactApp::newInstance (this=0x7fffddf71260) at /usr/src/debug/kdepim-4.8.1/kontact/src/main.cpp:134
#28 0x00000037b0e58092 in KUniqueApplicationAdaptor::newInstance (this=0x1fc7ec0, asn_id=<optimized out>, args=...) at /usr/src/debug/kdelibs-4.8.1/kdeui/kernel/kuniqueapplication.cpp:442
#29 0x00000037b0e58114 in qt_static_metacall (_a=0x7fffddf704f0, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at /usr/src/debug/kdelibs-4.8.1/x86_64-redhat-linux-gnu/kdeui/kuniqueapplication_p.moc:58
#30 KUniqueApplicationAdaptor::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7fffddf704f0) at /usr/src/debug/kdelibs-4.8.1/x86_64-redhat-linux-gnu/kdeui/kuniqueapplication_p.moc:52
#31 0x00000037b0e5825b in KUniqueApplicationAdaptor::qt_metacall (this=0x1fc7ec0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffddf704f0) at /usr/src/debug/kdelibs-4.8.1/x86_64-redhat-linux-gnu/kdeui/kuniqueapplication_p.moc:102
#32 0x0000003229e22d8b in QDBusConnectionPrivate::deliverCall (this=0x1e50740, object=0x1fc7ec0, msg=..., metaTypes=..., slotIdx=4) at qdbusintegrator.cpp:947
#33 0x0000003229e23e0d in QDBusConnectionPrivate::activateCall (this=0x1e50740, object=0x1fc7ec0, flags=337, msg=...) at qdbusintegrator.cpp:850
#34 0x0000003229e2482b in QDBusConnectionPrivate::activateObject (this=0x1e50740, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1423
#35 0x0000003229e2491b in QDBusActivateObjectEvent::placeMetaCall (this=0x1fe49a0) at qdbusintegrator.cpp:1537
#36 0x0000003223791f16 in QObject::event (this=0x7fffddf71260, e=<optimized out>) at kernel/qobject.cpp:1195
#37 0x00000032259cd6f4 in QApplication::event (this=0x7fffddf71260, e=0x1fe49a0) at kernel/qapplication.cpp:2532
#38 0x00000032259c9994 in notify_helper (e=0x1fe49a0, receiver=0x7fffddf71260, this=0x1e66a20) at kernel/qapplication.cpp:4550
#39 QApplicationPrivate::notify_helper (this=0x1e66a20, receiver=0x7fffddf71260, e=0x1fe49a0) at kernel/qapplication.cpp:4522
#40 0x00000032259ce813 in QApplication::notify (this=0x7fffddf71260, receiver=0x7fffddf71260, e=0x1fe49a0) at kernel/qapplication.cpp:4411
#41 0x00000037b0e51d56 in KApplication::notify (this=0x7fffddf71260, receiver=0x7fffddf71260, event=0x1fe49a0) at /usr/src/debug/kdelibs-4.8.1/kdeui/kernel/kapplication.cpp:311
#42 0x000000322377904c in QCoreApplication::notifyInternal (this=0x7fffddf71260, receiver=0x7fffddf71260, event=0x1fe49a0) at kernel/qcoreapplication.cpp:876
#43 0x000000322377cada in sendEvent (event=0x1fe49a0, receiver=0x7fffddf71260) at kernel/qcoreapplication.h:231
#44 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1e2e5e0) at kernel/qcoreapplication.cpp:1500
#45 0x00000032237a7933 in sendPostedEvents () at kernel/qcoreapplication.h:236
#46 postEventSourceDispatch (s=0x1e6bd10) at kernel/qeventdispatcher_glib.cpp:279
#47 0x000000321f244acd in g_main_dispatch (context=0x1e6bc20) at gmain.c:2441
#48 g_main_context_dispatch (context=0x1e6bc20) at gmain.c:3011
#49 0x000000321f2452c8 in g_main_context_iterate (context=0x1e6bc20, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3089
#50 0x000000321f24549c in g_main_context_iteration (context=0x1e6bc20, may_block=1) at gmain.c:3152
#51 0x00000032237a7d5f in QEventDispatcherGlib::processEvents (this=0x1e2fec0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#52 0x0000003225a6c66e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:207
#53 0x0000003223778182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#54 0x00000032237783d7 in QEventLoop::exec (this=0x7fffddf711f0, flags=...) at kernel/qeventloop.cpp:204
#55 0x000000322377cdd5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#56 0x00000000004036e9 in main (argc=1, argv=0x7fffddf71888) at /usr/src/debug/kdepim-4.8.1/kontact/src/main.cpp:218

Possible duplicates by query: bug 296115, bug 295216, bug 294916, bug 293780, bug 291583.

Reported using DrKonqi