Bug 272372

Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
I flipped open my laptop lid, which triggered it to wake up from sleep. After I put in  my password to unlock the screen I saw the crash

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb617a720 (LWP 2121))]

Thread 3 (Thread 0xb3e95b70 (LWP 2122)):
#0  0x0043c416 in __kernel_vsyscall ()
#1  0x009c7f76 in __poll (fds=0x9ffe370, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x07b6d84b in g_poll (fds=0x9ffe370, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.28.6/./glib/gpoll.c:132
#3  0x07b5d1af in g_main_context_poll (context=0x9ffcb18, block=129423392, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3404
#4  g_main_context_iterate (context=0x9ffcb18, block=129423392, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3086
#5  0x07b5d524 in g_main_context_iteration (context=0x9ffcb18, may_block=1) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3154
#6  0x02756577 in QEventDispatcherGlib::processEvents (this=0x9fe9240, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x02728289 in QEventLoop::processEvents (this=0xb3e95280, flags=...) at kernel/qeventloop.cpp:149
#8  0x02728522 in QEventLoop::exec (this=0xb3e95280, flags=...) at kernel/qeventloop.cpp:201
#9  0x026322a0 in QThread::exec (this=0x9d0d030) at thread/qthread.cpp:492
#10 0x02709fdb in QInotifyFileSystemWatcherEngine::run (this=0x9d0d030) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x02634da2 in QThreadPrivate::start (arg=0x9d0d030) at thread/qthread_unix.cpp:320
#12 0x029dce99 in start_thread (arg=0xb3e95b70) at pthread_create.c:304
#13 0x009d673e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xace48b70 (LWP 2124)):
#0  0x01715d41 in clock_gettime (clock_id=1, tp=0xace47ff0) at ../sysdeps/unix/clock_gettime.c:116
#1  0x0268add8 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x027574f2 in updateCurrentTime (this=0xa04cccc, tm=...) at kernel/qeventdispatcher_unix.cpp:339
#4  QTimerInfoList::timerWait (this=0xa04cccc, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x02755d32 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xace480cc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x02755dcd in timerSourcePrepare (source=0xa04cc98, timeout=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x07b5bfd4 in g_main_context_prepare (context=<value optimized out>, priority=0xace4813c) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:2761
#8  0x07b5ce63 in g_main_context_iterate (context=0xa04d0c0, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3071
#9  0x07b5d524 in g_main_context_iteration (context=0xa04d0c0, may_block=1) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3154
#10 0x02756577 in QEventDispatcherGlib::processEvents (this=0xa04ca00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x02728289 in QEventLoop::processEvents (this=0xace48280, flags=...) at kernel/qeventloop.cpp:149
#12 0x02728522 in QEventLoop::exec (this=0xace48280, flags=...) at kernel/qeventloop.cpp:201
#13 0x026322a0 in QThread::exec (this=0xa04b488) at thread/qthread.cpp:492
#14 0x02709fdb in QInotifyFileSystemWatcherEngine::run (this=0xa04b488) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x02634da2 in QThreadPrivate::start (arg=0xa04b488) at thread/qthread_unix.cpp:320
#16 0x029dce99 in start_thread (arg=0xace48b70) at pthread_create.c:304
#17 0x009d673e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb617a720 (LWP 2121)):
[KCrash Handler]
#7  0x00cc5755 in ~QExplicitlySharedDataPointer (this=0xab8829c, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qshareddata.h:161
#8  Solid::Device::~Device (this=0xab8829c, __in_chrg=<value optimized out>) at ../../../solid/solid/device.cpp:85
#9  0x05dbf087 in ~QHashNode (this=0x9ff81e4, akey=...) at /usr/include/qt4/QtCore/qhash.h:217
#10 deleteNode2 (this=0x9ff81e4, akey=...) at /usr/include/qt4/QtCore/qhash.h:519
#11 deleteNode (this=0x9ff81e4, akey=...) at /usr/include/qt4/QtCore/qhash.h:507
#12 QHash<QString, Solid::Device>::remove (this=0x9ff81e4, akey=...) at /usr/include/qt4/QtCore/qhash.h:795
#13 0x05dbc3d3 in HotplugEngine::onDeviceRemoved (this=0x9ff81d0, udi=...) at ../../../../../plasma/generic/dataengines/hotplug/hotplugengine.cpp:243
#14 0x05dbe6a5 in HotplugEngine::qt_metacall (this=0x9ff81d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbf9b6418) at ./hotplugengine.moc:81
#15 0x0272f6ba in QMetaObject::metacall (object=0x9ff81d0, cl=QMetaObject::InvokeMetaMethod, idx=25, argv=0xbf9b6418) at kernel/qmetaobject.cpp:237
#16 0x0273f4ff in QMetaObject::activate (sender=0x9ffc110, m=0xd53c68, local_signal_index=1, argv=0xbf9b6418) at kernel/qobject.cpp:3287
#17 0x00cc6dd3 in Solid::DeviceNotifier::deviceRemoved (this=0x9ffc110, _t1=...) at ./devicenotifier.moc:94
#18 0x00cc7ddc in Solid::DeviceManagerPrivate::_k_deviceRemoved (this=0x9ffc110, udi=...) at ../../../solid/solid/devicemanager.cpp:207
#19 0x00cc8585 in Solid::DeviceManagerPrivate::qt_metacall (this=0x9ffc110, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbf9b65a8) at ./devicemanager_p.moc:80
#20 0x0272f6ba in QMetaObject::metacall (object=0x9ffc110, cl=QMetaObject::InvokeMetaMethod, idx=7, argv=0xbf9b65a8) at kernel/qmetaobject.cpp:237
#21 0x0273f4ff in QMetaObject::activate (sender=0x9ffbfa8, m=0xd54d40, local_signal_index=1, argv=0xbf9b65a8) at kernel/qobject.cpp:3287
#22 0x00cdc223 in Solid::Ifaces::DeviceManager::deviceRemoved (this=0x9ffbfa8, _t1=...) at ./ifaces/devicemanager.moc:94
#23 0x00d2317a in slotDeviceRemoved (this=0x9ffbfa8, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbf9b682c) at ../../../solid/solid/backends/upower/upowermanager.cpp:164
#24 Solid::Backends::UPower::UPowerManager::qt_metacall (this=0x9ffbfa8, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbf9b682c) at ./backends/upower/upowermanager.moc:78
#25 0x0272f6ba in QMetaObject::metacall (object=0x9ffbfa8, cl=QMetaObject::InvokeMetaMethod, idx=7, argv=0xbf9b682c) at kernel/qmetaobject.cpp:237
#26 0x0273f4ff in QMetaObject::activate (sender=0x9ffbfb4, m=0xa0765e8, local_signal_index=4, argv=0xbf9b682c) at kernel/qobject.cpp:3287
#27 0x00a989e3 in QDBusInterfacePrivate::metacall (this=0x9ffcd00, c=QMetaObject::InvokeMetaMethod, id=4, argv=0xbf9b682c) at qdbusinterface.cpp:278
#28 0x00a83acd in QDBusConnectionPrivate::deliverCall (this=0x9d66eb0, object=0x9ffbfb4, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:942
#29 0x00a8e1d7 in QDBusCallDeliveryEvent::placeMetaCall (this=0xac72848, object=0x9ffbfb4) at qdbusintegrator_p.h:103
#30 0x0273e3b7 in QObject::event (this=0x9ffbfb4, e=0xac72848) at kernel/qobject.cpp:1226
#31 0x034c0d24 in QApplicationPrivate::notify_helper (this=0x9ce02a0, receiver=0x9ffbfb4, e=0xac72848) at kernel/qapplication.cpp:4462
#32 0x034c58ce in QApplication::notify (this=0x9cd5050, receiver=0x9ffbfb4, e=0xac72848) at kernel/qapplication.cpp:3862
#33 0x010f23ca in KApplication::notify (this=0x9cd5050, receiver=0x9ffbfb4, event=0xac72848) at ../../kdeui/kernel/kapplication.cpp:311
#34 0x027290bb in QCoreApplication::notifyInternal (this=0x9cd5050, receiver=0x9ffbfb4, event=0xac72848) at kernel/qcoreapplication.cpp:731
#35 0x0272cc79 in sendEvent (receiver=0x0, event_type=0, data=0x9c6bf50) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#36 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9c6bf50) at kernel/qcoreapplication.cpp:1372
#37 0x0272ce0d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1265
#38 0x027563c4 in sendPostedEvents (s=0x9ce1630) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#39 postEventSourceDispatch (s=0x9ce1630) at kernel/qeventdispatcher_glib.cpp:277
#40 0x07b5caa8 in g_main_dispatch (context=0x9ce3700) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:2440
#41 g_main_context_dispatch (context=0x9ce3700) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3013
#42 0x07b5d270 in g_main_context_iterate (context=0x9ce3700, block=129423392, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3091
#43 0x07b5d524 in g_main_context_iteration (context=0x9ce3700, may_block=1) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3154
#44 0x0275653c in QEventDispatcherGlib::processEvents (this=0x9c6baa8, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#45 0x03574775 in QGuiEventDispatcherGlib::processEvents (this=0x9c6baa8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#46 0x02728289 in QEventLoop::processEvents (this=0xbf9b7014, flags=...) at kernel/qeventloop.cpp:149
#47 0x02728522 in QEventLoop::exec (this=0xbf9b7014, flags=...) at kernel/qeventloop.cpp:201
#48 0x0272cecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#49 0x034be8e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#50 0x00c6e5a5 in kdemain (argc=1, argv=0xbf9b7224) at ../../../../plasma/desktop/shell/main.cpp:118
#51 0x080485cb in main (argc=1, argv=0xbf9b7224) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 271566.

Possible duplicates by query: bug 271566, bug 269449, bug 268008, bug 266383.

Reported using DrKonqi