Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic-pae i686
Distribution: Ubuntu 11.10

-- Information about the crash:
Plasma crashed after I entered my password to unlock the screen.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb1eb2b20 (LWP 2648))]

Thread 3 (Thread 0xab1bdb70 (LWP 2650)):
#0  0xb2f88d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb63737d5 in do_gettime (frac=0xab1bd010, sec=0xab1bd008) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb64464b6 in QTimerInfoList::updateCurrentTime (this=0xa234134) at kernel/qeventdispatcher_unix.cpp:339
#4  0xb644680a in QTimerInfoList::timerWait (this=0xa234134, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0xb6445053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xab1bd11c) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb64450ed in timerSourcePrepare (source=0xa234100, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb2ecd88c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb2ece637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb2ecec2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb6445b37 in QEventDispatcherGlib::processEvents (this=0xa232698, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0xb64161dd in QEventLoop::processEvents (this=0xab1bd2a0, flags=...) at kernel/qeventloop.cpp:149
#12 0xb6416421 in QEventLoop::exec (this=0xab1bd2a0, flags=...) at kernel/qeventloop.cpp:201
#13 0xb631990b in QThread::exec (this=0xa22f6b8) at thread/qthread.cpp:498
#14 0xb63f6e2d in QInotifyFileSystemWatcherEngine::run (this=0xa22f6b8) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb631c7b3 in QThreadPrivate::start (arg=0xa22f6b8) at thread/qthread_unix.cpp:331
#16 0xb2fe8d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0xb75f80ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xa96e7b70 (LWP 2651)):
#0  0xb2febd50 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb7605f54 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2ece785 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2ecec2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb6445b37 in QEventDispatcherGlib::processEvents (this=0xa3620f8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0xb64161dd in QEventLoop::processEvents (this=0xa96e72a0, flags=...) at kernel/qeventloop.cpp:149
#6  0xb6416421 in QEventLoop::exec (this=0xa96e72a0, flags=...) at kernel/qeventloop.cpp:201
#7  0xb631990b in QThread::exec (this=0x9eb5f60) at thread/qthread.cpp:498
#8  0xb63f6e2d in QInotifyFileSystemWatcherEngine::run (this=0x9eb5f60) at io/qfilesystemwatcher_inotify.cpp:248
#9  0xb631c7b3 in QThreadPrivate::start (arg=0x9eb5f60) at thread/qthread_unix.cpp:331
#10 0xb2fe8d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0xb75f80ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb1eb2b20 (LWP 2648)):
[KCrash Handler]
#7  0x00000001 in ?? ()
#8  0xb36d6426 in ~QExplicitlySharedDataPointer (this=0xb02bcf4, __in_chrg=<optimized out>) at /usr/include/qt4/QtCore/qshareddata.h:161
#9  Solid::Device::~Device (this=0xb02bcf4, __in_chrg=<optimized out>) at ../../../solid/solid/device.cpp:87
#10 0xaa6c330a in ~QHashNode (this=<optimized out>, __in_chrg=<optimized out>) at /usr/include/qt4/QtCore/qhash.h:216
#11 deleteNode2 (node=<optimized out>) at /usr/include/qt4/QtCore/qhash.h:519
#12 deleteNode (node=<optimized out>, this=0xa6e69cc) at /usr/include/qt4/QtCore/qhash.h:507
#13 QHash<QString, Solid::Device>::remove (this=0xa6e69cc, akey=<optimized out>) at /usr/include/qt4/QtCore/qhash.h:795
#14 0xaa6c346a in remove (akey=..., this=0xa6e69cc) at /usr/include/qt4/QtCore/qhash.h:784
#15 HotplugEngine::onDeviceRemoved (this=0xa6e69b8, udi=...) at ../../../../../plasma/generic/dataengines/hotplug/hotplugengine.cpp:241
#16 0xaa6c5b23 in HotplugEngine::qt_metacall (this=0xa6e69b8, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfd03d48) at ./hotplugengine.moc:81
#17 0xb641db7d in metacall (argv=0xbfd03d48, idx=25, cl=QMetaObject::InvokeMetaMethod, object=0xa6e69b8) at kernel/qmetaobject.cpp:237
#18 QMetaObject::metacall (object=0xa6e69b8, cl=QMetaObject::InvokeMetaMethod, idx=25, argv=0xbfd03d48) at kernel/qmetaobject.cpp:232
#19 0xb642ca6a in QMetaObject::activate (sender=0xa2418b8, m=0xb3788f98, local_signal_index=1, argv=0xbfd03d48) at kernel/qobject.cpp:3278
#20 0xb36d7a65 in Solid::DeviceNotifier::deviceRemoved (this=0xa2418b8, _t1=...) at ./devicenotifier.moc:94
#21 0xb36d8db4 in Solid::DeviceManagerPrivate::_k_deviceRemoved (this=0xa2418b8, udi=...) at ../../../solid/solid/devicemanager.cpp:207
#22 0xb36d95b3 in Solid::DeviceManagerPrivate::qt_metacall (this=0xa2418b8, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfd03ec8) at ./devicemanager_p.moc:80
#23 0xb641db7d in metacall (argv=0xbfd03ec8, idx=7, cl=QMetaObject::InvokeMetaMethod, object=0xa2418b8) at kernel/qmetaobject.cpp:237
#24 QMetaObject::metacall (object=0xa2418b8, cl=QMetaObject::InvokeMetaMethod, idx=7, argv=0xbfd03ec8) at kernel/qmetaobject.cpp:232
#25 0xb642ca6a in QMetaObject::activate (sender=0xa232790, m=0xb378a06c, local_signal_index=1, argv=0xbfd03ec8) at kernel/qobject.cpp:3278
#26 0xb36eecd5 in Solid::Ifaces::DeviceManager::deviceRemoved (this=0xa232790, _t1=...) at ./ifaces/devicemanager.moc:94
#27 0xb3738548 in slotDeviceRemoved (opath=<optimized out>, this=0xa232790) at ../../../solid/solid/backends/upower/upowermanager.cpp:164
#28 Solid::Backends::UPower::UPowerManager::qt_metacall (this=0xa232790, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfd0412c) at ./backends/upower/upowermanager.moc:78
#29 0xb641db7d in metacall (argv=0xbfd0412c, idx=7, cl=QMetaObject::InvokeMetaMethod, object=0xa232790) at kernel/qmetaobject.cpp:237
#30 QMetaObject::metacall (object=0xa232790, cl=QMetaObject::InvokeMetaMethod, idx=7, argv=0xbfd0412c) at kernel/qmetaobject.cpp:232
#31 0xb642ca6a in QMetaObject::activate (sender=0xa23279c, m=0xa24a378, local_signal_index=4, argv=0xbfd0412c) at kernel/qobject.cpp:3278
#32 0xb6586110 in QDBusInterfacePrivate::metacall (this=0xa232af8, c=QMetaObject::InvokeMetaMethod, id=4, argv=0xbfd0412c) at qdbusinterface.cpp:278
#33 0xb6570d87 in QDBusConnectionPrivate::deliverCall (this=0x9bd2c28, object=0xa23279c, msg=..., metaTypes=..., slotIdx=-1434425848) at qdbusintegrator.cpp:942
#34 0xb657ac26 in QDBusCallDeliveryEvent::placeMetaCall (this=0xa22e560, object=0xa23279c) at qdbusintegrator_p.h:103
#35 0xb642fb52 in QObject::event (this=0xa23279c, e=0xa22e560) at kernel/qobject.cpp:1217
#36 0xb5942d54 in notify_helper (e=0xa22e560, receiver=0xa23279c, this=0x9ac7668) at kernel/qapplication.cpp:4486
#37 QApplicationPrivate::notify_helper (this=0x9ac7668, receiver=0xa23279c, e=0xa22e560) at kernel/qapplication.cpp:4458
#38 0xb5948103 in QApplication::notify (this=0xa22e560, receiver=0xa23279c, e=0xa22e560) at kernel/qapplication.cpp:3886
#39 0xb6a7c681 in KApplication::notify (this=0x9aba648, receiver=0xa23279c, event=0xa22e560) at ../../kdeui/kernel/kapplication.cpp:311
#40 0xb641719e in QCoreApplication::notifyInternal (this=0x9aba648, receiver=0xa23279c, event=0xa22e560) at kernel/qcoreapplication.cpp:787
#41 0xb641af93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9a792e0) at kernel/qcoreapplication.cpp:1428
#43 0xb641b0ec in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1321
#44 0xb64456a4 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#45 postEventSourceDispatch (s=0x9ac91a8) at kernel/qeventdispatcher_glib.cpp:277
#46 0xb2ece25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#47 0xb2ece990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#48 0xb2ecec2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#49 0xb6445ada in QEventDispatcherGlib::processEvents (this=0x9a7a218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#50 0xb59fae3a in QGuiEventDispatcherGlib::processEvents (this=0x9a7a218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#51 0xb64161dd in QEventLoop::processEvents (this=0xbfd047c4, flags=...) at kernel/qeventloop.cpp:149
#52 0xb6416421 in QEventLoop::exec (this=0xbfd047c4, flags=...) at kernel/qeventloop.cpp:201
#53 0xb641b19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#54 0xb59408f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#55 0xb76f418b in kdemain (argc=1, argv=0xbfd049c4) at ../../../../plasma/desktop/shell/main.cpp:120
#56 0x0804850b in main (argc=1, argv=0xbfd049c4) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 281300.

Possible duplicates by query: bug 283797, bug 283263, bug 282678, bug 282665, bug 281300.

Reported using DrKonqi