Bug 271636

Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2) (Compiled from sources)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic i686
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
Sometimes when my Acer Aspire One AOA150 (ZG5) is put on hibernate, I try to start it back up and usually the screensaver just stays for a while.. and a while.. until I can finally get to it, but sometimes I have to shut the PC down if it won't let me in period. Anyways after that The Plasma Desktop would crash, and it'd start back up over again.
- Unusual behavior I noticed:
Screensaver stays on screen no letting me in, sometimes even locking me out needing to do a hard reboot.
Plasma Crashes sometimes after return from Hibernation.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb789cad0 (LWP 1510))]

Thread 3 (Thread 0xafadab70 (LWP 1546)):
#0  0x0732639a in ?? () from /lib/libglib-2.0.so.0
#1  0x073533d4 in g_main_context_release () from /lib/libglib-2.0.so.0
#2  0x07355473 in ?? () from /lib/libglib-2.0.so.0
#3  0x07355848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x0317859f in QEventDispatcherGlib::processEvents (this=0x97cb1a8, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#5  0x03148609 in QEventLoop::processEvents (this=0xafada280, flags=) at kernel/qeventloop.cpp:149
#6  0x03148a8a in QEventLoop::exec (this=0xafada280, flags=...) at kernel/qeventloop.cpp:201
#7  0x03044b7e in QThread::exec (this=0x97ca8f0) at thread/qthread.cpp:490
#8  0x0312735b in QInotifyFileSystemWatcherEngine::run (this=0x97ca8f0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x03047df9 in QThreadPrivate::start (arg=0x97ca8f0) at thread/qthread_unix.cpp:266
#10 0x02484cc9 in start_thread () from /lib/libpthread.so.0
#11 0x0098b69e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xae37eb70 (LWP 1560)):
#0  0x00998faa in pthread_mutex_unlock () from /lib/libc.so.6
#1  0x07355428 in ?? () from /lib/libglib-2.0.so.0
#2  0x07355848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x0317859f in QEventDispatcherGlib::processEvents (this=0x983c650, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#4  0x03148609 in QEventLoop::processEvents (this=0xae37e280, flags=) at kernel/qeventloop.cpp:149
#5  0x03148a8a in QEventLoop::exec (this=0xae37e280, flags=...) at kernel/qeventloop.cpp:201
#6  0x03044b7e in QThread::exec (this=0x983a7e0) at thread/qthread.cpp:490
#7  0x0312735b in QInotifyFileSystemWatcherEngine::run (this=0x983a7e0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x03047df9 in QThreadPrivate::start (arg=0x983a7e0) at thread/qthread_unix.cpp:266
#9  0x02484cc9 in start_thread () from /lib/libpthread.so.0
#10 0x0098b69e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb789cad0 (LWP 1510)):
[KCrash Handler]
#7  0x0327a0b5 in vtable for QSystemLocale () from /usr/lib/libQtCore.so.4
#8  0xbf96007b in ?? ()
#9  0x04eaa09d in disconnect (this=0x9846de9) at /usr/include/qt4/QtCore/qobject.h:229
#10 InterfaceItem::currentConnectionChanged (this=0x9846de9) at ../../applet/interfaceitem.cpp:311
#11 0x04ea980f in InterfaceItem::setConnectionInfo (this=0x97ec1d8) at ../../applet/interfaceitem.cpp:270
#12 0x04eac6ef in WirelessInterfaceItem::setConnectionInfo (this=0x97ec1d8) at ../../applet/wirelessinterfaceitem.cpp:64
#13 0x04eac6b4 in WirelessInterfaceItem::updateInfo (this=0x97ec1d8) at ../../applet/wirelessinterfaceitem.cpp:54
#14 0x04e9ec81 in WirelessInterfaceItem::qt_metacall (this=0x97ec1d8, _c=QMetaObject::InvokeMetaMethod, _id=56, _a=0xbf966b48) at moc_wirelessinterfaceitem.cpp:74
#15 0x0314f8ca in QMetaObject::metacall (object=0x97ec1d8, cl=82567155, idx=56, argv=0xbf966b48) at kernel/qmetaobject.cpp:237
#16 0x031626ad in QMetaObject::activate (sender=0x981b528, m=0x4ebca6c, local_signal_index=0, argv=0x9e48318) at kernel/qobject.cpp:3280
#17 0x04e9dac3 in WirelessStatus::strengthChanged (this=0x981b528, _t1=0) at moc_wirelessstatus.cpp:94
#18 0x04eb6e34 in WirelessStatus::setStrength (this=0x981b528, strength=165970712) at ../../applet/wirelessstatus.cpp:181
#19 0x04eb71c7 in WirelessStatus::accessPointDestroyed (this=0x981b528, ap=0x9e48318) at ../../applet/wirelessstatus.cpp:215
#20 0x04e9de61 in WirelessStatus::qt_metacall (this=0x981b528, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbf966d08) at moc_wirelessstatus.cpp:82
#21 0x0314f8ca in QMetaObject::metacall (object=0x981b528, cl=82567155, idx=7, argv=0xbf966d08) at kernel/qmetaobject.cpp:237
#22 0x031626ad in QMetaObject::activate (sender=0x9785db0, m=0x3277230, local_signal_index=0, argv=0x9e48318) at kernel/qobject.cpp:3280
#23 0x03162bd3 in QObject::destroyed (this=0x9785db0, _t1=0x9785db0) at .moc/release-shared/moc_qobject.cpp:149
#24 0x03163afa in QObject::~QObject (this=0x9785db0, __in_chrg=<value optimized out>) at kernel/qobject.cpp:842
#25 0x04f321bc in Solid::Control::AccessPoint::~AccessPoint (this=0x9785db0, __in_chrg=<value optimized out>) at ../../../../libs/solid/control/wirelessaccesspoint.cpp:72
#26 0x04f33afe in Solid::Control::WirelessNetworkInterface::_k_accessPointRemoved (this=0x97461f0, uni=...) at ../../../../libs/solid/control/wirelessnetworkinterface.cpp:163
#27 0x04f33bcd in Solid::Control::WirelessNetworkInterface::qt_metacall (this=0x97461f0, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbf966ef8) at ./wirelessnetworkinterface.moc:116
#28 0x0314f8ca in QMetaObject::metacall (object=0x97461f0, cl=82567155, idx=14, argv=0xbf966ef8) at kernel/qmetaobject.cpp:237
#29 0x031626ad in QMetaObject::activate (sender=0x96fb4b8, m=0x881c514, local_signal_index=4, argv=0x9e48318) at kernel/qobject.cpp:3280
#30 0x087febf3 in NMWirelessNetworkInterface::accessPointDisappeared (this=0x96fb4b8, _t1=...) at moc_wirelessnetworkinterface.cpp:140
#31 0x0880ea35 in NMWirelessNetworkInterface::accessPointRemoved (this=0x96fb4b8, apPath=...) at ../../../solid/networkmanager-0.7/wirelessnetworkinterface.cpp:188
#32 0x087feded in NMWirelessNetworkInterface::qt_metacall (this=0x96fb4b8, _c=QMetaObject::InvokeMetaMethod, _id=15, _a=0xbf967098) at moc_wirelessnetworkinterface.cpp:100
#33 0x0314f8ca in QMetaObject::metacall (object=0x96fb4b8, cl=82567155, idx=15, argv=0xbf967098) at kernel/qmetaobject.cpp:237
#34 0x031626ad in QMetaObject::activate (sender=0x96f68b4, m=0x881dc04, local_signal_index=1, argv=0x9e48318) at kernel/qobject.cpp:3280
#35 0x08815593 in OrgFreedesktopNetworkManagerDeviceWirelessInterface::AccessPointRemoved (this=0x96f68b4, _t1=...) at ./nm-device-wifiinterface.moc:141
#36 0x08815905 in OrgFreedesktopNetworkManagerDeviceWirelessInterface::qt_metacall (this=0x96f68b4, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbf96726c) at ./nm-device-wifiinterface.moc:92
#37 0x007179dc in QDBusConnectionPrivate::deliverCall (this=0x90ce928, object=0x96f68b4, msg=..., metaTypes=..., slotIdx=6) at qdbusintegrator.cpp:919
#38 0x007231f7 in QDBusCallDeliveryEvent::placeMetaCall (this=0xa16dbe8, object=0x96f68b4) at qdbusintegrator_p.h:103
#39 0x0315c6a2 in QObject::event (this=0x96f68b4, e=0x136b0598) at kernel/qobject.cpp:1219
#40 0x01a21fdc in QApplicationPrivate::notify_helper (this=0x902e528, receiver=0x96f68b4, e=0xa16dbe8) at kernel/qapplication.cpp:4396
#41 0x01a2804e in QApplication::notify (this=0x9016928, receiver=0x96f68b4, e=0xa16dbe8) at kernel/qapplication.cpp:3798
#42 0x0107482a in KApplication::notify (this=0x9016928, receiver=0x96f68b4, event=0xa16dbe8) at ../../kdeui/kernel/kapplication.cpp:311
#43 0x03149b3b in QCoreApplication::notifyInternal (this=0x9016928, receiver=0x96f68b4, event=0xa16dbe8) at kernel/qcoreapplication.cpp:732
#44 0x0314cd8b in sendEvent (receiver=0x0, event_type=0, data=0x8fe3300) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#45 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8fe3300) at kernel/qcoreapplication.cpp:1373
#46 0x0314cf4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1266
#47 0x03178a74 in sendPostedEvents (s=0x9026a90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#48 postEventSourceDispatch (s=0x9026a90) at kernel/qeventdispatcher_glib.cpp:277
#49 0x07351855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#50 0x07355668 in ?? () from /lib/libglib-2.0.so.0
#51 0x07355848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#52 0x03178565 in QEventDispatcherGlib::processEvents (this=0x8fe2fc0, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#53 0x01ae3be5 in QGuiEventDispatcherGlib::processEvents (this=0x8fe2fc0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#54 0x03148609 in QEventLoop::processEvents (this=0xbf967a94, flags=) at kernel/qeventloop.cpp:149
#55 0x03148a8a in QEventLoop::exec (this=0xbf967a94, flags=...) at kernel/qeventloop.cpp:201
#56 0x0314d00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#57 0x01a20e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#58 0x004591e7 in kdemain (argc=1, argv=0xbf967ca4) at ../../../../plasma/desktop/shell/main.cpp:118
#59 0x080485bb in main (argc=1, argv=0xbf967ca4) at plasma-desktop_dummy.cpp:3

Reported using DrKonqi