Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
Booted my machine, had Firefox and Thunderbird and Skype running, but was doing nothing.  All of a sudden, Plasma crashed

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7ffb512977a0 (LWP 2025))]

Thread 3 (Thread 0x7ffb30acc700 (LWP 2026)):
#0  __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffb45102f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffb45103429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffb4dd69f3e in QEventDispatcherGlib::processEvents (this=0x1c610b0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007ffb4dd3dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ffb4dd3def7 in QEventLoop::exec (this=0x7ffb30acbdb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007ffb4dc5527f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007ffb4dd20cbf in QInotifyFileSystemWatcherEngine::run (this=0x1c5f840) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007ffb4dc57d05 in QThreadPrivate::start (arg=0x1c5f840) at thread/qthread_unix.cpp:331
#9  0x00007ffb45c0fefc in start_thread (arg=0x7ffb30acc700) at pthread_create.c:304
#10 0x00007ffb50b8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ffb2b729700 (LWP 2031)):
#0  0x00007ffb45101f98 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffb45102dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffb45103429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffb4dd69f3e in QEventDispatcherGlib::processEvents (this=0x205d180, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007ffb4dd3dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ffb4dd3def7 in QEventLoop::exec (this=0x7ffb2b728db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007ffb4dc5527f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007ffb4dd20cbf in QInotifyFileSystemWatcherEngine::run (this=0x205c420) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007ffb4dc57d05 in QThreadPrivate::start (arg=0x205c420) at thread/qthread_unix.cpp:331
#9  0x00007ffb45c0fefc in start_thread (arg=0x7ffb2b729700) at pthread_create.c:304
#10 0x00007ffb50b8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffb512977a0 (LWP 2025)):
[KCrash Handler]
#6  0x0000000000000008 in ?? ()
#7  0x00007ffb283e9ee1 in ~QHashNode (this=0x23c1cc0, __in_chrg=<optimized out>) at /usr/include/qt4/QtCore/qhash.h:216
#8  deleteNode2 (node=0x23c1cc0) at /usr/include/qt4/QtCore/qhash.h:519
#9  deleteNode (node=0x23c1cc0, this=0x235a878) at /usr/include/qt4/QtCore/qhash.h:507
#10 QHash<QString, Solid::Device>::remove (this=0x235a878, akey=<optimized out>) at /usr/include/qt4/QtCore/qhash.h:795
#11 0x00007ffb283ea03c in remove (akey=..., this=0x235a878) at /usr/include/qt4/QtCore/qhash.h:784
#12 HotplugEngine::onDeviceRemoved (this=0x235a850, udi=...) at ../../../../../plasma/generic/dataengines/hotplug/hotplugengine.cpp:241
#13 0x00007ffb283ec309 in HotplugEngine::qt_metacall (this=0x235a850, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff022b0c10) at ./hotplugengine.moc:81
#14 0x00007ffb4dd51eba in QMetaObject::activate (sender=0x1c5aba0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff022b0c10) at kernel/qobject.cpp:3278
#15 0x00007ffb495736c5 in Solid::DeviceNotifier::deviceRemoved (this=<optimized out>, _t1=<optimized out>) at ./devicenotifier.moc:94
#16 0x00007ffb495748ad in Solid::DeviceManagerPrivate::_k_deviceRemoved (this=0x1c5aba0, udi=...) at ../../../solid/solid/devicemanager.cpp:207
#17 0x00007ffb49575069 in Solid::DeviceManagerPrivate::qt_metacall (this=0x1c5aba0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff022b0dc0) at ./devicemanager_p.moc:80
#18 0x00007ffb4dd51eba in QMetaObject::activate (sender=0x1bd88c0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff022b0dc0) at kernel/qobject.cpp:3278
#19 0x00007ffb49587895 in Solid::Ifaces::DeviceManager::deviceRemoved (this=<optimized out>, _t1=<optimized out>) at ./ifaces/devicemanager.moc:94
#20 0x00007ffb495c8166 in slotDeviceRemoved (opath=<optimized out>, this=0x1bd88c0) at ../../../solid/solid/backends/upower/upowermanager.cpp:164
#21 Solid::Backends::UPower::UPowerManager::qt_metacall (this=0x1bd88c0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff022b1100) at ./backends/upower/upowermanager.moc:78
#22 0x00007ffb4dd51eba in QMetaObject::activate (sender=0x1bd88d8, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff022b1100) at kernel/qobject.cpp:3278
#23 0x00007ffb4e0a9d8d in QDBusInterfacePrivate::metacall (this=0x1c61600, c=<optimized out>, id=4, argv=0x7fff022b1100) at qdbusinterface.cpp:278
#24 0x00007ffb4e0960e9 in QDBusConnectionPrivate::deliverCall (this=0x16db4a0, object=0x1bd88d8, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:942
#25 0x00007ffb4e09f38f in QDBusCallDeliveryEvent::placeMetaCall (this=<optimized out>, object=<optimized out>) at qdbusintegrator_p.h:103
#26 0x00007ffb4dd55a5e in QObject::event (this=0x1bd88d8, e=<optimized out>) at kernel/qobject.cpp:1217
#27 0x00007ffb4d0ef424 in notify_helper (e=0x15fbd40, receiver=0x1bd88d8, this=0x158b200) at kernel/qapplication.cpp:4486
#28 QApplicationPrivate::notify_helper (this=0x158b200, receiver=0x1bd88d8, e=0x15fbd40) at kernel/qapplication.cpp:4458
#29 0x00007ffb4d0f4291 in QApplication::notify (this=0x157eba0, receiver=0x1bd88d8, e=0x15fbd40) at kernel/qapplication.cpp:4365
#30 0x00007ffb4e9ed126 in KApplication::notify (this=0x157eba0, receiver=0x1bd88d8, event=0x15fbd40) at ../../kdeui/kernel/kapplication.cpp:311
#31 0x00007ffb4dd3eafc in QCoreApplication::notifyInternal (this=0x157eba0, receiver=0x1bd88d8, event=0x15fbd40) at kernel/qcoreapplication.cpp:787
#32 0x00007ffb4dd4251f in sendEvent (event=0x15fbd40, receiver=0x1bd88d8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#33 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x151e430) at kernel/qcoreapplication.cpp:1428
#34 0x00007ffb4dd69a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#35 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#36 0x00007ffb45102a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007ffb45103258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007ffb45103429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007ffb4dd69ed6 in QEventDispatcherGlib::processEvents (this=0x151ff40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#40 0x00007ffb4d19707e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#41 0x00007ffb4dd3dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#42 0x00007ffb4dd3def7 in QEventLoop::exec (this=0x7fff022b1920, flags=...) at kernel/qeventloop.cpp:201
#43 0x00007ffb4dd42789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#44 0x00007ffb50e821a3 in kdemain (argc=1, argv=0x7fff022b1d08) at ../../../../plasma/desktop/shell/main.cpp:120
#45 0x00007ffb50ac330d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff022b1d08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff022b1cf8) at libc-start.c:226
#46 0x0000000000400671 in _start ()

Possible duplicates by query: bug 286583, bug 286434, bug 286318, bug 286252, bug 286237.

Reported using DrKonqi