Bug 292732

Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.00 (4.8.0
Qt Version: 4.7.4
Operating System: Linux 3.0.0-15-generic-pae i686
Distribution: Ubuntu 11.10

-- Information about the crash:
Had installed widgets + added activities. Plasma crashed bad. Plasma back but title bars still gone.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb1f8f720 (LWP 2020))]

Thread 5 (Thread 0xafa8cb70 (LWP 2023)):
#0  0xb30cdd50 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb772cf54 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2faf87f in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2fb0637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2fb0c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb659ab37 in QEventDispatcherGlib::processEvents (this=0x960c8b0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0xb656b1dd in QEventLoop::processEvents (this=0xafa8c2a0, flags=...) at kernel/qeventloop.cpp:149
#7  0xb656b421 in QEventLoop::exec (this=0xafa8c2a0, flags=...) at kernel/qeventloop.cpp:201
#8  0xb646e90b in QThread::exec (this=0x9608bc0) at thread/qthread.cpp:498
#9  0xb654be2d in QInotifyFileSystemWatcherEngine::run (this=0x9608bc0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb64717b3 in QThreadPrivate::start (arg=0x9608bc0) at thread/qthread_unix.cpp:331
#11 0xb30cad31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb771f0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 4 (Thread 0xa90e5b70 (LWP 2024)):
#0  0xb6452810 in pthread_once@plt () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#1  0xb64709f2 in get_thread_data () at thread/qthread_unix.cpp:171
#2  QThreadData::current () at thread/qthread_unix.cpp:210
#3  0xb659a2f7 in postEventSourcePrepare (s=0x930a5b0, timeout=0x0) at kernel/qeventdispatcher_glib.cpp:254
#4  0xb659a367 in postEventSourceCheck (source=0x930a5b0) at kernel/qeventdispatcher_glib.cpp:270
#5  0xb2faff24 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb2fb08f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb2fb0c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb659ab37 in QEventDispatcherGlib::processEvents (this=0x92f7370, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#9  0xb656b1dd in QEventLoop::processEvents (this=0xa90e52a0, flags=...) at kernel/qeventloop.cpp:149
#10 0xb656b421 in QEventLoop::exec (this=0xa90e52a0, flags=...) at kernel/qeventloop.cpp:201
#11 0xb646e90b in QThread::exec (this=0x92fa808) at thread/qthread.cpp:498
#12 0xb654be2d in QInotifyFileSystemWatcherEngine::run (this=0x92fa808) at io/qfilesystemwatcher_inotify.cpp:248
#13 0xb64717b3 in QThreadPrivate::start (arg=0x92fa808) at thread/qthread_unix.cpp:331
#14 0xb30cad31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#15 0xb771f0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xa8802b70 (LWP 2025)):
#0  0xb7865424 in __kernel_vsyscall ()
#1  0xb30cea5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb772ccfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb3fec9a9 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb3fec9ef in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb30cad31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb771f0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xa6f4fb70 (LWP 2027)):
#0  0xb7865424 in __kernel_vsyscall ()
#1  0xb771040e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2fbf34b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2fb0896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2fb0f9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xa782fcea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0xb2fd75f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb30cad31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb771f0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb1f8f720 (LWP 2020)):
[KCrash Handler]
#7  0xabbc930c in QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#8  0xb648fc99 in QHashData::detach_helper2 (this=0xa3eb9a8, node_duplicate=0xabbc9300 <QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*)>, node_delete=0xabbc92f0 <QHash<void*, PyQtProxy*>::deleteNode2(QHashData::Node*)>, nodeSize=16, nodeAlign=4) at tools/qhash.cpp:235
#9  0xabbce30c in sipQtFindSipslot () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#10 0xaee95c00 in sipWrapper_traverse (arg=0x0, visit=0xabf6c720 <visit_decref>, self=0xad655cc) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9648
#11 sipWrapper_traverse (self=0xad655cc, visit=0xabf6c720 <visit_decref>, arg=0x0) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9629
#12 0xabee8252 in subtype_traverse (self=<QApplication at remote 0xad655cc>, visit=0xabf6c720 <visit_decref>, arg=0x0) at ../Objects/typeobject.c:838
#13 0xabf6c990 in subtract_refs (containers=0xac0e3728) at ../Modules/gcmodule.c:345
#14 collect (generation=2) at ../Modules/gcmodule.c:874
#15 0xabf6d6bc in PyGC_Collect () at ../Modules/gcmodule.c:1386
#16 0xabf58adb in Py_Finalize () at ../Python/pythonrun.c:437
#17 Py_Finalize () at ../Python/pythonrun.c:393
#18 0xaeea9f75 in KPythonPluginFactory::~KPythonPluginFactory (this=0xa05a7b0, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:262
#19 0xaeeaa002 in KPythonPluginFactory::~KPythonPluginFactory (this=0xa05a7b0, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:268
#20 0xb6586b45 in QObjectCleanupHandler::clear (this=0x8ef66e8) at kernel/qobjectcleanuphandler.cpp:140
#21 0xb6586b8d in QObjectCleanupHandler::~QObjectCleanupHandler (this=0x8ef66e8, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:86
#22 0xb6586c02 in QObjectCleanupHandler::~QObjectCleanupHandler (this=0x8ef66e8, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:87
#23 0xb69393d2 in destroy () at ../../kdecore/util/kpluginfactory.cpp:29
#24 0xb67ac4a9 in KCleanUpGlobalStatic::~KCleanUpGlobalStatic (this=0xb69ea0f0, __in_chrg=<optimized out>) at ../../kdecore/kernel/kglobal.h:62
#25 0xb767f981 in ?? () from /lib/i386-linux-gnu/libc.so.6
#26 0xb767fa0d in exit () from /lib/i386-linux-gnu/libc.so.6
#27 0xaa3bdd90 in ?? () from /usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0
#28 0xb6ef1d6b in _XError () from /usr/lib/i386-linux-gnu/libX11.so.6
#29 0xb6eee93d in ?? () from /usr/lib/i386-linux-gnu/libX11.so.6
#30 0xb6eef927 in _XReply () from /usr/lib/i386-linux-gnu/libX11.so.6
#31 0xb6ed42b8 in XGetWindowProperty () from /usr/lib/i386-linux-gnu/libX11.so.6
#32 0xb6d45130 in NETWinInfo::update (this=0xbf99cb5c, dirty_props=0x9cf12c8) at ../../kdeui/windowmanagement/netwm.cpp:3962
#33 0xb6d47a83 in NETWinInfo::NETWinInfo (this=0xbf99cb5c, display=0x8e3ce28, window=33556713, rootWindow=176, properties=134742016, role=NET::Client) at ../../kdeui/windowmanagement/netwm.cpp:2882
#34 0xb0bae720 in TaskManager::TaskManager::windowChanged (this=0x9365758, w=33556713, dirty=0xbf99cd24) at ../../../libs/taskmanager/taskmanager.cpp:334
#35 0xb0baed16 in TaskManager::TaskManager::qt_metacall (this=0x9365758, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbf99ccc4) at ./taskmanager.moc:128
#36 0xb6572b7d in metacall (argv=0xbf99ccc4, idx=13, cl=QMetaObject::InvokeMetaMethod, object=0x9365758) at kernel/qmetaobject.cpp:237
#37 QMetaObject::metacall (object=0x9365758, cl=QMetaObject::InvokeMetaMethod, idx=13, argv=0xbf99ccc4) at kernel/qmetaobject.cpp:232
#38 0xb6581a6a in QMetaObject::activate (sender=0x8e69e10, m=0xb6e1f198, local_signal_index=9, argv=0xbf99ccc4) at kernel/qobject.cpp:3278
#39 0xb6d3872d in KWindowSystem::windowChanged (this=0x8e69e10, _t1=33556713, _t2=0xbf99cd24) at ./kwindowsystem.moc:181
#40 0xb6d3ad2d in KWindowSystemPrivate::x11Event (this=0x8eb3588, ev=0xbf99ce1c) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:220
#41 0xb6c0295b in publicX11Event (e=0xbf99ce1c, this=<optimized out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#42 KSystemEventFilterPrivate::filterEvent (this=0x8ecc2e0, message=0xbf99ce1c) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#43 0xb6c029f6 in _k_eventFilter (message=0xbf99ce1c) at ../../kdeui/kernel/ksystemeventfilter.cpp:91
#44 0xb655e7cc in QAbstractEventDispatcher::filterEvent (this=0x8ddb218, message=0xbf99ce1c) at kernel/qabstracteventdispatcher.cpp:501
#45 0xb5b501c1 in x11EventSourceDispatch (s=0x8e324b0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#46 0xb2fb025f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#47 0xb2fb0990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#48 0xb2fb0c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#49 0xb659aada in QEventDispatcherGlib::processEvents (this=0x8ddb218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#50 0xb5b4fe7a in QGuiEventDispatcherGlib::processEvents (this=0x8ddb218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#51 0xb656b1dd in QEventLoop::processEvents (this=0xbf99d124, flags=...) at kernel/qeventloop.cpp:149
#52 0xb656b421 in QEventLoop::exec (this=0xbf99d124, flags=...) at kernel/qeventloop.cpp:201
#53 0xb657019d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#54 0xb5a95924 in QApplication::exec () at kernel/qapplication.cpp:3760
#55 0xb781a6fb in kdemain (argc=1, argv=0xbf99d324) at ../../../../plasma/desktop/shell/main.cpp:120
#56 0x0804850b in main (argc=1, argv=0xbf99d324) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 292064.

Possible duplicates by query: bug 292064.

Reported using DrKonqi