Bug 264662

Application: kmail (2.0.89)
KDE Platform Version: 4.6.00 (4.6.0)
Qt Version: 4.7.1
Operating System: Linux 2.6.38-1-generic x86_64
Distribution: Ubuntu natty (development branch)

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

after login, i had this crash while i'm removing email from kmail

The crash can be reproduced some of the time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fdc1c2767e0 (LWP 2370))]

Thread 3 (Thread 0x7fdbf9fb0700 (LWP 2376)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdc0e2c6af2 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib/libQtWebKit.so.4
#2  0x00007fdc16e44d8c in start_thread (arg=0x7fdbf9fb0700) at pthread_create.c:304
#3  0x00007fdc1945361d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fdb764ef700 (LWP 2388)):
#0  0x00007fdc194464b3 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fdc11cce2a0 in g_main_context_poll (context=0x296eb10, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.27.92/glib/gmain.c:3404
#2  g_main_context_iterate (context=0x296eb10, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.27.92/glib/gmain.c:3086
#3  0x00007fdc11cce7c9 in g_main_context_iteration (context=0x296eb10, may_block=1) at /build/buildd/glib2.0-2.27.92/glib/gmain.c:3154
#4  0x00007fdc19d96a26 in QEventDispatcherGlib::processEvents (this=0x219f7e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007fdc19d6aed2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fdc19d6b10c in QEventLoop::exec (this=0x7fdb764eed70, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007fdc19c82214 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#8  0x00007fdc19d4d3df in QInotifyFileSystemWatcherEngine::run (this=0x296e3b0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fdc19c849ce in QThreadPrivate::start (arg=0x296e3b0) at thread/qthread_unix.cpp:285
#10 0x00007fdc16e44d8c in start_thread (arg=0x7fdb764ef700) at pthread_create.c:304
#11 0x00007fdc1945361d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fdc1c2767e0 (LWP 2370)):
[KCrash Handler]
#6  operator!= (this=0x2188278, akey=@0x7fffd7272d68) at /usr/include/qt4/QtCore/qbasicatomic.h:75
#7  detach (this=0x2188278, akey=@0x7fffd7272d68) at /usr/include/qt4/QtCore/qmap.h:202
#8  QMap<KPIM::ProgressItem*, bool>::remove (this=0x2188278, akey=@0x7fffd7272d68) at /usr/include/qt4/QtCore/qmap.h:660
#9  0x00007fdc139a93fb in KPIM::ProgressItem::removeChild (this=0x2188240, kiddo=0x2272700) at ../../libkdepim/progressmanager.cpp:73
#10 0x00007fdc139a9461 in KPIM::ProgressItem::setComplete (this=0x2272700) at ../../libkdepim/progressmanager.cpp:58
#11 0x00007fdc139aa8c7 in KPIM::AgentProgressMonitor::Private::instanceStatusChanged (this=0x2516090, instance=...) at ../../libkdepim/agentprogressmonitor.cpp:86
#12 0x00007fdc139aa97a in KPIM::AgentProgressMonitor::qt_metacall (this=0x250a990, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd7272ea0) at ./agentprogressmonitor.moc:78
#13 0x00007fdc19d80bb8 in QMetaObject::activate (sender=0x203f520, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffd7272ea0) at kernel/qobject.cpp:3280
#14 0x00007fdc15f0a465 in Akonadi::AgentManager::instanceStatusChanged (this=<value optimized out>, _t1=<value optimized out>) at ./agentmanager.moc:177
#15 0x00007fdc15f0eb9a in Akonadi::AgentManagerPrivate::agentInstanceStatusChanged (this=0x1dfae80, identifier=<value optimized out>, status=2, msg=...) at ../../akonadi/agentmanager.cpp:129
#16 0x00007fdc15f1106e in Akonadi::AgentManager::qt_metacall (this=0x203f520, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd7273010) at ./agentmanager.moc:131
#17 0x00007fdc19d80bb8 in QMetaObject::activate (sender=0x202d4f0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffd7273010) at kernel/qobject.cpp:3280
#18 0x00007fdc1602dfbb in OrgFreedesktopAkonadiAgentManagerInterface::agentInstanceStatusChanged (this=<value optimized out>, _t1=<value optimized out>, _t2=2, _t3=<value optimized out>) at agentmanagerinterface.moc:285
#19 0x00007fdc1602e451 in OrgFreedesktopAkonadiAgentManagerInterface::qt_metacall (this=0x202d4f0, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0x7fffd7273930) at agentmanagerinterface.moc:167
#20 0x00007fdc1794a04a in QDBusConnectionPrivate::deliverCall (this=0x1d8b140, object=0x202d4f0, msg=..., metaTypes=..., slotIdx=12) at qdbusintegrator.cpp:920
#21 0x00007fdc17954fbf in QDBusCallDeliveryEvent::placeMetaCall (this=<value optimized out>, object=<value optimized out>) at qdbusintegrator_p.h:103
#22 0x00007fdc19d7fa4a in QObject::event (this=0x202d4f0, e=<value optimized out>) at kernel/qobject.cpp:1219
#23 0x00007fdc1a259024 in QApplicationPrivate::notify_helper (this=0x1dd93b0, receiver=0x202d4f0, e=0x2a0f690) at kernel/qapplication.cpp:4445
#24 0x00007fdc1a25d95a in QApplication::notify (this=<value optimized out>, receiver=0x202d4f0, e=0x2a0f690) at kernel/qapplication.cpp:4324
#25 0x00007fdc1ba9f6d6 in KApplication::notify (this=0x7fffd7274440, receiver=0x202d4f0, event=0x2a0f690) at ../../kdeui/kernel/kapplication.cpp:311
#26 0x00007fdc19d6baec in QCoreApplication::notifyInternal (this=0x7fffd7274440, receiver=0x202d4f0, event=0x2a0f690) at kernel/qcoreapplication.cpp:732
#27 0x00007fdc19d6f275 in sendEvent (receiver=0x0, event_type=0, data=0x1d8d270) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#28 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1d8d270) at kernel/qcoreapplication.cpp:1373
#29 0x00007fdc19d96833 in sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#30 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#31 0x00007fdc11ccdd4d in g_main_dispatch (context=0x1ddbc80) at /build/buildd/glib2.0-2.27.92/glib/gmain.c:2440
#32 g_main_context_dispatch (context=0x1ddbc80) at /build/buildd/glib2.0-2.27.92/glib/gmain.c:3013
#33 0x00007fdc11cce538 in g_main_context_iterate (context=0x1ddbc80, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.27.92/glib/gmain.c:3091
#34 0x00007fdc11cce7c9 in g_main_context_iteration (context=0x1ddbc80, may_block=1) at /build/buildd/glib2.0-2.27.92/glib/gmain.c:3154
#35 0x00007fdc19d969cf in QEventDispatcherGlib::processEvents (this=0x1d8ca80, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#36 0x00007fdc1a2fef9e in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007fdc19d6aed2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007fdc19d6b10c in QEventLoop::exec (this=0x7fffd7274310, flags=...) at kernel/qeventloop.cpp:201
#39 0x00007fdc19d6f51b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#40 0x0000000000403008 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../kmail/main.cpp:145

Reported using DrKonqi