Bug 289429

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
plasma crash sometimes, i surf with firefox and plasma crash two or three times in a sesion

The crash can be reproduced some of the time.

-- Backtrace:
Application: Shell de escritorio Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5e03720 (LWP 1696))]

Thread 3 (Thread 0xb4c55b70 (LWP 1716)):
#0  postEventSourcePrepare (s=0xb4300a58, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:266
#1  0x0173088c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x01731637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x01731c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x01c6db37 in QEventDispatcherGlib::processEvents (this=0x96c6360, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x01c3e1dd in QEventLoop::processEvents (this=0xb4c551f0, flags=...) at kernel/qeventloop.cpp:149
#6  0x01c3e421 in QEventLoop::exec (this=0xb4c551f0, flags=...) at kernel/qeventloop.cpp:201
#7  0x01b4190b in QThread::exec (this=0x96c3330) at thread/qthread.cpp:498
#8  0x01c1ee2d in QInotifyFileSystemWatcherEngine::run (this=0x96c3330) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x01b447b3 in QThreadPrivate::start (arg=0x96c3330) at thread/qthread_unix.cpp:331
#10 0x06a849cd in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#11 0x001e20ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xae045b70 (LWP 1718)):
#0  0x00bb0d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x01b9b7d5 in do_gettime (frac=0xae044f60, sec=0xae044f58) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x01c6e4b6 in QTimerInfoList::updateCurrentTime (this=0x9882d04) at kernel/qeventdispatcher_unix.cpp:339
#4  0x01c6e80a in QTimerInfoList::timerWait (this=0x9882d04, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x01c6d053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xae04506c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x01c6d0ed in timerSourcePrepare (source=0x9882cd0, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x0173088c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x01731637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x01731c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x01c6db37 in QEventDispatcherGlib::processEvents (this=0x9883070, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x01c3e1dd in QEventLoop::processEvents (this=0xae0451f0, flags=...) at kernel/qeventloop.cpp:149
#12 0x01c3e421 in QEventLoop::exec (this=0xae0451f0, flags=...) at kernel/qeventloop.cpp:201
#13 0x01b4190b in QThread::exec (this=0x987fe18) at thread/qthread.cpp:498
#14 0x01c1ee2d in QInotifyFileSystemWatcherEngine::run (this=0x987fe18) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x01b447b3 in QThreadPrivate::start (arg=0x987fe18) at thread/qthread_unix.cpp:331
#16 0x06a849cd in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#17 0x001e20ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb5e03720 (LWP 1696)):
[KCrash Handler]
#7  0x09c2c94a in ?? ()
#8  0x013b2426 in ~QExplicitlySharedDataPointer (this=0x995f634, __in_chrg=<optimized out>) at /usr/include/qt4/QtCore/qshareddata.h:161
#9  Solid::Device::~Device (this=0x995f634, __in_chrg=<optimized out>) at ../../../solid/solid/device.cpp:87
#10 0x02c4430a 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=0x9b25184) at /usr/include/qt4/QtCore/qhash.h:507
#13 QHash<QString, Solid::Device>::remove (this=0x9b25184, akey=<optimized out>) at /usr/include/qt4/QtCore/qhash.h:795
#14 0x02c4446a in remove (akey=..., this=0x9b25184) at /usr/include/qt4/QtCore/qhash.h:784
#15 HotplugEngine::onDeviceRemoved (this=0x9b25170, udi=...) at ../../../../../plasma/generic/dataengines/hotplug/hotplugengine.cpp:241
#16 0x02c46b23 in HotplugEngine::qt_metacall (this=0x9b25170, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfdd1158) at ./hotplugengine.moc:81
#17 0x01c45b7d in metacall (argv=0xbfdd1158, idx=25, cl=QMetaObject::InvokeMetaMethod, object=0x9b25170) at kernel/qmetaobject.cpp:237
#18 QMetaObject::metacall (object=0x9b25170, cl=QMetaObject::InvokeMetaMethod, idx=25, argv=0xbfdd1158) at kernel/qmetaobject.cpp:232
#19 0x01c54a6a in QMetaObject::activate (sender=0x96c0d68, m=0x1465f98, local_signal_index=1, argv=0xbfdd1158) at kernel/qobject.cpp:3278
#20 0x013b3a65 in Solid::DeviceNotifier::deviceRemoved (this=0x96c0d68, _t1=...) at ./devicenotifier.moc:94
#21 0x013b4db4 in Solid::DeviceManagerPrivate::_k_deviceRemoved (this=0x96c0d68, udi=...) at ../../../solid/solid/devicemanager.cpp:207
#22 0x013b55b3 in Solid::DeviceManagerPrivate::qt_metacall (this=0x96c0d68, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfdd12d8) at ./devicemanager_p.moc:80
#23 0x01c45b7d in metacall (argv=0xbfdd12d8, idx=7, cl=QMetaObject::InvokeMetaMethod, object=0x96c0d68) at kernel/qmetaobject.cpp:237
#24 QMetaObject::metacall (object=0x96c0d68, cl=QMetaObject::InvokeMetaMethod, idx=7, argv=0xbfdd12d8) at kernel/qmetaobject.cpp:232
#25 0x01c54a6a in QMetaObject::activate (sender=0x96c60b0, m=0x146706c, local_signal_index=1, argv=0xbfdd12d8) at kernel/qobject.cpp:3278
#26 0x013cacd5 in Solid::Ifaces::DeviceManager::deviceRemoved (this=0x96c60b0, _t1=...) at ./ifaces/devicemanager.moc:94
#27 0x01414548 in slotDeviceRemoved (opath=<optimized out>, this=0x96c60b0) at ../../../solid/solid/backends/upower/upowermanager.cpp:164
#28 Solid::Backends::UPower::UPowerManager::qt_metacall (this=0x96c60b0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfdd153c) at ./backends/upower/upowermanager.moc:78
#29 0x01c45b7d in metacall (argv=0xbfdd153c, idx=7, cl=QMetaObject::InvokeMetaMethod, object=0x96c60b0) at kernel/qmetaobject.cpp:237
#30 QMetaObject::metacall (object=0x96c60b0, cl=QMetaObject::InvokeMetaMethod, idx=7, argv=0xbfdd153c) at kernel/qmetaobject.cpp:232
#31 0x01c54a6a in QMetaObject::activate (sender=0x96c60bc, m=0x96c66a0, local_signal_index=4, argv=0xbfdd153c) at kernel/qobject.cpp:3278
#32 0x00a15110 in QDBusInterfacePrivate::metacall (this=0x96c6448, c=QMetaObject::InvokeMetaMethod, id=4, argv=0xbfdd153c) at qdbusinterface.cpp:278
#33 0x009ffd87 in QDBusConnectionPrivate::deliverCall (this=0x91d7f08, object=0x96c60bc, msg=..., metaTypes=..., slotIdx=-20272) at qdbusintegrator.cpp:942
#34 0x00a09c26 in QDBusCallDeliveryEvent::placeMetaCall (this=0x9a55030, object=0x96c60bc) at qdbusintegrator_p.h:103
#35 0x01c57b52 in QObject::event (this=0x96c60bc, e=0x9a55030) at kernel/qobject.cpp:1217
#36 0x02f1ad54 in notify_helper (e=0x9a55030, receiver=0x96c60bc, this=0x91cc450) at kernel/qapplication.cpp:4486
#37 QApplicationPrivate::notify_helper (this=0x91cc450, receiver=0x96c60bc, e=0x9a55030) at kernel/qapplication.cpp:4458
#38 0x02f20103 in QApplication::notify (this=0x9a55030, receiver=0x96c60bc, e=0x9a55030) at kernel/qapplication.cpp:3886
#39 0x01141971 in KApplication::notify (this=0x91b4a58, receiver=0x96c60bc, event=0x9a55030) at ../../kdeui/kernel/kapplication.cpp:311
#40 0x01c3f19e in QCoreApplication::notifyInternal (this=0x91b4a58, receiver=0x96c60bc, event=0x9a55030) at kernel/qcoreapplication.cpp:787
#41 0x01c42f93 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=0x91322e0) at kernel/qcoreapplication.cpp:1428
#43 0x01c430ec in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1321
#44 0x01c6d6a4 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#45 postEventSourceDispatch (s=0x9198f38) at kernel/qeventdispatcher_glib.cpp:277
#46 0x0173125f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#47 0x01731990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#48 0x01731c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#49 0x01c6dada in QEventDispatcherGlib::processEvents (this=0x9133218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#50 0x02fd2e3a in QGuiEventDispatcherGlib::processEvents (this=0x9133218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#51 0x01c3e1dd in QEventLoop::processEvents (this=0xbfdd1bd4, flags=...) at kernel/qeventloop.cpp:149
#52 0x01c3e421 in QEventLoop::exec (this=0xbfdd1bd4, flags=...) at kernel/qeventloop.cpp:201
#53 0x01c4319d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#54 0x02f188f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#55 0x00acb18b in kdemain (argc=1, argv=0xbfdd1dd4) at ../../../../plasma/desktop/shell/main.cpp:120
#56 0x0804850b in main (argc=1, argv=0xbfdd1dd4) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 286237.

Possible duplicates by query: bug 289288, bug 289011, bug 288398, bug 287413, bug 286583.

Reported using DrKonqi