Bug 286237

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 i686
Distribution: Ubuntu 11.10

-- Information about the crash:
Plasma crashed when I was in the system settings. Nothing in perticular was happening at the time

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5f5a720 (LWP 1564))]

Thread 4 (Thread 0xafe02b70 (LWP 1565)):
#0  0x0732fd10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x012717d5 in do_gettime (frac=0xafe01f60, sec=0xafe01f58) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x013444b6 in QTimerInfoList::updateCurrentTime (this=0xaf50087c) at kernel/qeventdispatcher_unix.cpp:339
#4  0x0134480a in QTimerInfoList::timerWait (this=0xaf50087c, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x01343053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xafe0206c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x013430ed in timerSourcePrepare (source=0xaf500848, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x03a7888c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x03a79637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x03a79c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x01343b37 in QEventDispatcherGlib::processEvents (this=0xa857770, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x013141dd in QEventLoop::processEvents (this=0xafe021f0, flags=...) at kernel/qeventloop.cpp:149
#12 0x01314421 in QEventLoop::exec (this=0xafe021f0, flags=...) at kernel/qeventloop.cpp:201
#13 0x0121790b in QThread::exec (this=0xa85c5a0) at thread/qthread.cpp:498
#14 0x012f4e2d in QInotifyFileSystemWatcherEngine::run (this=0xa85c5a0) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x0121a7b3 in QThreadPrivate::start (arg=0xa85c5a0) at thread/qthread_unix.cpp:331
#16 0x045a39cd in ?? () from /usr/lib/nvidia-current/libGL.so.1
#17 0x00ccc0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xae307b70 (LWP 1566)):
#0  0x039d0df0 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x00cd9f54 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0x03a77f16 in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03a7956d in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03a79c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x01343b37 in QEventDispatcherGlib::processEvents (this=0xa64ee18, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x013141dd in QEventLoop::processEvents (this=0xae3071f0, flags=...) at kernel/qeventloop.cpp:149
#7  0x01314421 in QEventLoop::exec (this=0xae3071f0, flags=...) at kernel/qeventloop.cpp:201
#8  0x0121790b in QThread::exec (this=0xa1ff8e0) at thread/qthread.cpp:498
#9  0x012f4e2d in QInotifyFileSystemWatcherEngine::run (this=0xa1ff8e0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x0121a7b3 in QThreadPrivate::start (arg=0xa1ff8e0) at thread/qthread_unix.cpp:331
#11 0x045a39cd in ?? () from /usr/lib/nvidia-current/libGL.so.1
#12 0x00ccc0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xac085b70 (LWP 1577)):
#0  0x039cfd8a in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x00cd9f14 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0x03a790c3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03a79990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03a79f9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x0617bcea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x03aa05f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x045a39cd in ?? () from /usr/lib/nvidia-current/libGL.so.1
#8  0x00ccc0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb5f5a720 (LWP 1564)):
[KCrash Handler]
#7  0x00000001 in ?? ()
#8  0x08e44426 in ~QExplicitlySharedDataPointer (this=0xba25924, __in_chrg=<optimized out>) at /usr/include/qt4/QtCore/qshareddata.h:161
#9  Solid::Device::~Device (this=0xba25924, __in_chrg=<optimized out>) at ../../../solid/solid/device.cpp:87
#10 0x053c130a 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=0xac1874c) at /usr/include/qt4/QtCore/qhash.h:507
#13 QHash<QString, Solid::Device>::remove (this=0xac1874c, akey=<optimized out>) at /usr/include/qt4/QtCore/qhash.h:795
#14 0x053c146a in remove (akey=..., this=0xac1874c) at /usr/include/qt4/QtCore/qhash.h:784
#15 HotplugEngine::onDeviceRemoved (this=0xac18738, udi=...) at ../../../../../plasma/generic/dataengines/hotplug/hotplugengine.cpp:241
#16 0x053c3b23 in HotplugEngine::qt_metacall (this=0xac18738, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfa512c8) at ./hotplugengine.moc:81
#17 0x0131bb7d in metacall (argv=0xbfa512c8, idx=25, cl=QMetaObject::InvokeMetaMethod, object=0xac18738) at kernel/qmetaobject.cpp:237
#18 QMetaObject::metacall (object=0xac18738, cl=QMetaObject::InvokeMetaMethod, idx=25, argv=0xbfa512c8) at kernel/qmetaobject.cpp:232
#19 0x0132aa6a in QMetaObject::activate (sender=0xa853718, m=0x8ef6f98, local_signal_index=1, argv=0xbfa512c8) at kernel/qobject.cpp:3278
#20 0x08e45a65 in Solid::DeviceNotifier::deviceRemoved (this=0xa853718, _t1=...) at ./devicenotifier.moc:94
#21 0x08e46db4 in Solid::DeviceManagerPrivate::_k_deviceRemoved (this=0xa853718, udi=...) at ../../../solid/solid/devicemanager.cpp:207
#22 0x08e475b3 in Solid::DeviceManagerPrivate::qt_metacall (this=0xa853718, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfa51448) at ./devicemanager_p.moc:80
#23 0x0131bb7d in metacall (argv=0xbfa51448, idx=7, cl=QMetaObject::InvokeMetaMethod, object=0xa853718) at kernel/qmetaobject.cpp:237
#24 QMetaObject::metacall (object=0xa853718, cl=QMetaObject::InvokeMetaMethod, idx=7, argv=0xbfa51448) at kernel/qmetaobject.cpp:232
#25 0x0132aa6a in QMetaObject::activate (sender=0xa8574c0, m=0x8ef806c, local_signal_index=1, argv=0xbfa51448) at kernel/qobject.cpp:3278
#26 0x08e5ccd5 in Solid::Ifaces::DeviceManager::deviceRemoved (this=0xa8574c0, _t1=...) at ./ifaces/devicemanager.moc:94
#27 0x08ea6548 in slotDeviceRemoved (opath=<optimized out>, this=0xa8574c0) at ../../../solid/solid/backends/upower/upowermanager.cpp:164
#28 Solid::Backends::UPower::UPowerManager::qt_metacall (this=0xa8574c0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfa516ac) at ./backends/upower/upowermanager.moc:78
#29 0x0131bb7d in metacall (argv=0xbfa516ac, idx=7, cl=QMetaObject::InvokeMetaMethod, object=0xa8574c0) at kernel/qmetaobject.cpp:237
#30 QMetaObject::metacall (object=0xa8574c0, cl=QMetaObject::InvokeMetaMethod, idx=7, argv=0xbfa516ac) at kernel/qmetaobject.cpp:232
#31 0x0132aa6a in QMetaObject::activate (sender=0xa8574cc, m=0xa857748, local_signal_index=4, argv=0xbfa516ac) at kernel/qobject.cpp:3278
#32 0x007da110 in QDBusInterfacePrivate::metacall (this=0xa857858, c=QMetaObject::InvokeMetaMethod, id=4, argv=0xbfa516ac) at qdbusinterface.cpp:278
#33 0x007c4d87 in QDBusConnectionPrivate::deliverCall (this=0xa144af8, object=0xa8574cc, msg=..., metaTypes=..., slotIdx=181395488) at qdbusintegrator.cpp:942
#34 0x007cec26 in QDBusCallDeliveryEvent::placeMetaCall (this=0xa1d9a78, object=0xa8574cc) at qdbusintegrator_p.h:103
#35 0x0132db52 in QObject::event (this=0xa8574cc, e=0xa1d9a78) at kernel/qobject.cpp:1217
#36 0x015a7d54 in notify_helper (e=0xa1d9a78, receiver=0xa8574cc, this=0xa0508b0) at kernel/qapplication.cpp:4486
#37 QApplicationPrivate::notify_helper (this=0xa0508b0, receiver=0xa8574cc, e=0xa1d9a78) at kernel/qapplication.cpp:4458
#38 0x015ad103 in QApplication::notify (this=0xa1d9a78, receiver=0xa8574cc, e=0xa1d9a78) at kernel/qapplication.cpp:3886
#39 0x00f5d681 in KApplication::notify (this=0xa045a60, receiver=0xa8574cc, event=0xa1d9a78) at ../../kdeui/kernel/kapplication.cpp:311
#40 0x0131519e in QCoreApplication::notifyInternal (this=0xa045a60, receiver=0xa8574cc, event=0xa1d9a78) at kernel/qcoreapplication.cpp:787
#41 0x01318f93 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=0x9fac2e0) at kernel/qcoreapplication.cpp:1428
#43 0x013190ec in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1321
#44 0x013436a4 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#45 postEventSourceDispatch (s=0xa052cd0) at kernel/qeventdispatcher_glib.cpp:277
#46 0x03a7925f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#47 0x03a79990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#48 0x03a79c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#49 0x01343ada in QEventDispatcherGlib::processEvents (this=0x9fad218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#50 0x0165fe3a in QGuiEventDispatcherGlib::processEvents (this=0x9fad218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#51 0x013141dd in QEventLoop::processEvents (this=0xbfa51d44, flags=...) at kernel/qeventloop.cpp:149
#52 0x01314421 in QEventLoop::exec (this=0xbfa51d44, flags=...) at kernel/qeventloop.cpp:201
#53 0x0131919d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#54 0x015a58f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#55 0x0085618b in kdemain (argc=1, argv=0xbfa51f44) at ../../../../plasma/desktop/shell/main.cpp:120
#56 0x0804850b in main (argc=1, argv=0xbfa51f44) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 266383.

Possible duplicates by query: bug 285340, bug 283797, bug 283263, bug 282678, bug 282665.

Reported using DrKonqi