Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.3
Qt Version: 4.8.3
Operating System: Linux 3.6.8-2.fc17.x86_64 x86_64
Distribution: "Fedora release 17 (Beefy Miracle)"

-- Information about the crash:
- Custom settings of the application: plasma crashed when i was configuring 

system monitor widget

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), 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 0x7fe9ba300880 (LWP 1063))]

Thread 3 (Thread 0x7fe9a5338700 (LWP 1066)):
#0  0x0000003afd4e8bdf in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000003afd047af4 in g_main_context_poll (n_fds=1, fds=0x7fe9980029b0, timeout=-1, context=0x7fe9980009a0, priority=<optimized out>) at gmain.c:3440
#2  g_main_context_iterate (context=context@entry=0x7fe9980009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3141
#3  0x0000003afd047c14 in g_main_context_iteration (context=0x7fe9980009a0, may_block=1) at gmain.c:3207
#4  0x0000003b061a5ff6 in QEventDispatcherGlib::processEvents (this=0x7fe9980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003b06176cbf in QEventLoop::processEvents (this=this@entry=0x7fe9a5337cd0, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003b06176f48 in QEventLoop::exec (this=0x7fe9a5337cd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003b060787e0 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x0000003b061574df in QInotifyFileSystemWatcherEngine::run (this=0x1b8f1a0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x0000003b0607b7bc in QThreadPrivate::start (arg=0x1b8f1a0) at thread/qthread_unix.cpp:338
#10 0x0000003afdc07d14 in start_thread (arg=0x7fe9a5338700) at pthread_create.c:309
#11 0x0000003afd4f168d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7fe997df4700 (LWP 1068)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:166
#1  0x0000003b20986797 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x3b20c94640) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x0000003b209867c9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003afdc07d14 in start_thread (arg=0x7fe997df4700) at pthread_create.c:309
#4  0x0000003afd4f168d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7fe9ba300880 (LWP 1063)):
[KCrash Handler]
#6  qNumVariantToHelper<int> (val=@0x210: <error reading variable>, ok=0x0, d=..., handler=<optimized out>) at kernel/qvariant.cpp:2433
#7  QVariant::toInt (this=0x210, ok=0x0) at kernel/qvariant.cpp:2459
#8  0x00007fe9a4132c4a in Hdd_Activity::configAccepted (this=0x1bb3dc0) at /usr/src/debug/kde-workspace-4.9.3/plasma/generic/applets/system-monitor/hdd_activity.cpp:247
#9  0x0000003b0618e71f in QMetaObject::activate (sender=0x351c340, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x0000003b0bfa7748 in KDialog::slotButtonClicked (this=0x351c340, button=4) at /usr/src/debug/kdelibs-4.9.3/kdeui/dialogs/kdialog.cpp:884
#11 0x0000003b0bfa7b74 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at /usr/src/debug/kdelibs-4.9.3/x86_64-redhat-linux-gnu/kdeui/kdialog.moc:166
#12 KDialog::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kdelibs-4.9.3/x86_64-redhat-linux-gnu/kdeui/kdialog.moc:126
#13 0x0000003b0618e71f in QMetaObject::activate (sender=0x2fccba0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff38ac7ce0) at kernel/qobject.cpp:3547
#14 0x0000003b061931ce in QSignalMapper::mapped (this=this@entry=0x2fccba0, _t1=4) at .moc/release-shared/moc_qsignalmapper.cpp:114
#15 0x0000003b061933d5 in QSignalMapper::map (this=0x2fccba0, sender=0x35898b0) at kernel/qsignalmapper.cpp:266
#16 0x0000003b0618e71f in QMetaObject::activate (sender=0x35898b0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff38ac7e70) at kernel/qobject.cpp:3547
#17 0x0000003b0ac2e172 in QAbstractButton::clicked (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:219
#18 0x0000003b0a98336e in QAbstractButtonPrivate::emitClicked (this=this@entry=0x35898f0) at widgets/qabstractbutton.cpp:548
#19 0x0000003b0a983970 in QAbstractButtonPrivate::click (this=this@entry=0x35898f0) at widgets/qabstractbutton.cpp:541
#20 0x0000003b0a983bdc in QAbstractButton::mouseReleaseEvent (this=0x35898b0, e=0x7fff38ac8710) at widgets/qabstractbutton.cpp:1123
#21 0x0000003b0a619ce0 in QWidget::event (this=0x35898b0, event=0x7fff38ac8710) at kernel/qwidget.cpp:8371
#22 0x0000003b0a5ca4ac in QApplicationPrivate::notify_helper (this=this@entry=0x1706db0, receiver=receiver@entry=0x35898b0, e=e@entry=0x7fff38ac8710) at kernel/qapplication.cpp:4557
#23 0x0000003b0a5cf18b in QApplication::notify (this=<optimized out>, receiver=0x35898b0, e=0x7fff38ac8710) at kernel/qapplication.cpp:4100
#24 0x0000003b0c0468a6 in KApplication::notify (this=0x16eeec0, receiver=0x35898b0, event=0x7fff38ac8710) at /usr/src/debug/kdelibs-4.9.3/kdeui/kernel/kapplication.cpp:311
#25 0x0000003b06177f6e in QCoreApplication::notifyInternal (this=0x16eeec0, receiver=0x35898b0, event=0x7fff38ac8710) at kernel/qcoreapplication.cpp:915
#26 0x0000003b0a5cb2eb in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:231
#27 QApplicationPrivate::sendMouseEvent (receiver=0x35898b0, event=0x7fff38ac8710, alienWidget=0x35898b0, nativeWidget=0x351c340, buttonDown=0x3b0b09d248, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3168
#28 0x0000003b0a645994 in QETWidget::translateMouseEvent (this=this@entry=0x351c340, event=event@entry=0x7fff38ac8e80) at kernel/qapplication_x11.cpp:4528
#29 0x0000003b0a644721 in QApplication::x11ProcessEvent (this=0x16eeec0, event=0x7fff38ac8e80) at kernel/qapplication_x11.cpp:3651
#30 0x0000003b0a66a7ac in x11EventSourceDispatch (s=s@entry=0x170d470, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#31 0x0000003afd047825 in g_main_dispatch (context=0x17080a0) at gmain.c:2539
#32 g_main_context_dispatch (context=context@entry=0x17080a0) at gmain.c:3075
#33 0x0000003afd047b58 in g_main_context_iterate (context=context@entry=0x17080a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3146
#34 0x0000003afd047c14 in g_main_context_iteration (context=0x17080a0, may_block=1) at gmain.c:3207
#35 0x0000003b061a5fd6 in QEventDispatcherGlib::processEvents (this=0x169a1b0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#36 0x0000003b0a66a48e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#37 0x0000003b06176cbf in QEventLoop::processEvents (this=this@entry=0x7fff38ac9250, flags=...) at kernel/qeventloop.cpp:149
#38 0x0000003b06176f48 in QEventLoop::exec (this=0x7fff38ac9250, flags=...) at kernel/qeventloop.cpp:204
#39 0x0000003b0617bd38 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#40 0x00007fe9baa03195 in kdemain (argc=1, argv=0x7fff38ac9548) at /usr/src/debug/kde-workspace-4.9.3/plasma/desktop/shell/main.cpp:120
#41 0x0000003afd421735 in __libc_start_main (main=0x4008d0 <main(int, char**)>, argc=1, ubp_av=0x7fff38ac9548, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff38ac9538) at libc-start.c:226
#42 0x0000000000400901 in _start ()

Reported using DrKonqi