Application: knode (4.4.2)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-24-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
KNode crashed when, after I've subscribed to a new newsgroup and downloaded the headers, I've clicked on the "expire group" option.

 -- Backtrace:
Application: KNode (knode), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f06bd21d780 (LWP 4154))]

Thread 2 (Thread 0x7f06a255e710 (LWP 4155)):
#0  0x00007f06ba09efb3 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f06b31124a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f06b31128fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f06ba7f3566 in QEventDispatcherGlib::processEvents (this=0x16c2020, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007f06ba7c8992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f06ba7c8d6c in QEventLoop::exec (this=0x7f06a255dd90, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f06ba6d2d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007f06ba7a9178 in QInotifyFileSystemWatcherEngine::run (this=0x1703880) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f06ba6d5775 in QThreadPrivate::start (arg=0x1703880) at thread/qthread_unix.cpp:248
#9  0x00007f06b9dae9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f06ba0ab72d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f06bd21d780 (LWP 4154)):
[KCrash Handler]
#5  0x00007f06bc36b8e3 in KNRemoteArticle::displayedReference (this=0x1463680, a=<value optimized out>) at ../../knode/knarticle.h:143
#6  KNArticleManager::createCompleteThread (this=0x1463680, a=<value optimized out>) at ../../knode/knarticlemanager.cpp:964
#7  0x00007f06bc36f28b in KNArticleManager::showHdrs (this=0x1463680, clear=<value optimized out>) at ../../knode/knarticlemanager.cpp:288
#8  0x00007f06bc3473f0 in KNGroupManager::expireGroupNow (this=0x1463db0, g=0x1f7f1a0) at ../../knode/kngroupmanager.cpp:543
#9  0x00007f06bc3ac46d in KNMainWidget::slotGrpExpire (this=0x11e8c40) at ../../knode/knmainwidget.cpp:1497
#10 0x00007f06bc3b81cd in KNMainWidget::qt_metacall (this=0x11e8c40, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff5bc79de0) at ./knmainwidget.moc:257
#11 0x00007f06ba7dce3f in QMetaObject::activate (sender=0x15e1bc0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x2) at kernel/qobject.cpp:3293
#12 0x00007f06bb198032 in QAction::triggered (this=0x117b490, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#13 0x00007f06bb19a0ab in QAction::activate (this=0x15e1bc0, event=<value optimized out>) at kernel/qaction.cpp:1255
#14 0x00007f06bb5d939d in QMenuPrivate::activateCausedStack (this=<value optimized out>, causedStack=..., action=0x15e1bc0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1011
#15 0x00007f06bb5dedda in QMenuPrivate::activateAction (this=0x1687cf0, action=0x15e1bc0, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1103
#16 0x00007f06bbf85cee in KMenu::mouseReleaseEvent (this=0x1687460, e=0x366a3a0) at ../../kdeui/widgets/kmenu.cpp:471
#17 0x00007f06bb1f4582 in QWidget::event (this=0x1687460, event=0x7fff5bc7aa30) at kernel/qwidget.cpp:7998
#18 0x00007f06bb5e0f9b in QMenu::event (this=0x1687460, e=0x7fff5bc7aa30) at widgets/qmenu.cpp:2414
#19 0x00007f06bb19e22c in QApplicationPrivate::notify_helper (this=0xfca950, receiver=0x1687460, e=0x7fff5bc7aa30) at kernel/qapplication.cpp:4300
#20 0x00007f06bb1a4ecb in QApplication::notify (this=0x7fff5bc7b6d0, receiver=0x1687460, e=0x7fff5bc7aa30) at kernel/qapplication.cpp:3865
#21 0x00007f06bbea9526 in KApplication::notify (this=0x7fff5bc7b6d0, receiver=0x1687460, event=0x7fff5bc7aa30) at ../../kdeui/kernel/kapplication.cpp:302
#22 0x00007f06ba7ca06c in QCoreApplication::notifyInternal (this=0x7fff5bc7b6d0, receiver=0x1687460, event=0x7fff5bc7aa30) at kernel/qcoreapplication.cpp:704
#23 0x00007f06bb1a40ae in QCoreApplication::sendEvent (receiver=0x1687460, event=0x7fff5bc7aa30, alienWidget=0x0, nativeWidget=0x1687460, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QApplicationPrivate::sendMouseEvent (receiver=0x1687460, event=0x7fff5bc7aa30, alienWidget=0x0, nativeWidget=0x1687460, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, 
    spontaneous=true) at kernel/qapplication.cpp:2965
#25 0x00007f06bb2243dd in QETWidget::translateMouseEvent (this=0x1687460, event=<value optimized out>) at kernel/qapplication_x11.cpp:4302
#26 0x00007f06bb2228ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff5bc7b350) at kernel/qapplication_x11.cpp:3501
#27 0x00007f06bb24e882 in x11EventSourceDispatch (s=0xfd44b0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#28 0x00007f06b310e8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x00007f06b3112748 in ?? () from /lib/libglib-2.0.so.0
#30 0x00007f06b31128fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x00007f06ba7f3513 in QEventDispatcherGlib::processEvents (this=0xf93d70, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#32 0x00007f06bb24e46e in QGuiEventDispatcherGlib::processEvents (this=0x117b490, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x00007f06ba7c8992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#34 0x00007f06ba7c8d6c in QEventLoop::exec (this=0x7fff5bc7b680, flags=) at kernel/qeventloop.cpp:201
#35 0x00007f06ba7ccaab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#36 0x00000000004079e6 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../knode/main.cpp:44

Reported using DrKonqi