Bug 291848

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- Custom settings of the application:
Plasma crashes again, and again. I don't know why. I disabled OpenGL (I think I've done it)...

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb775eb20 (LWP 2331))]

Thread 5 (Thread 0xb11d2b70 (LWP 2359)):
#0  0x03220df9 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x00e2df54 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0x032cc102 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x032cc990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x032ccc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x08507b37 in QEventDispatcherGlib::processEvents (this=0xb0800468, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x084d81dd in QEventLoop::processEvents (this=0xb11d22a0, flags=...) at kernel/qeventloop.cpp:149
#7  0x084d8421 in QEventLoop::exec (this=0xb11d22a0, flags=...) at kernel/qeventloop.cpp:201
#8  0x083db90b in QThread::exec (this=0x9253ea0) at thread/qthread.cpp:498
#9  0x084b8e2d in QInotifyFileSystemWatcherEngine::run (this=0x9253ea0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x083de7b3 in QThreadPrivate::start (arg=0x9253ea0) at thread/qthread_unix.cpp:331
#11 0x0321dd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x00e200ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 4 (Thread 0xaf891b70 (LWP 2360)):
#0  0x0321c468 in __i686.get_pc_thunk.bx () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x0322297f in pthread_getspecific () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x0648fe83 in ?? () from /usr/lib/i386-linux-gnu/libgthread-2.0.so.0
#3  0x032f46dc in g_thread_self () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x032ccc18 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x08507b37 in QEventDispatcherGlib::processEvents (this=0x9143060, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x084d81dd in QEventLoop::processEvents (this=0xaf8912a0, flags=...) at kernel/qeventloop.cpp:149
#7  0x084d8421 in QEventLoop::exec (this=0xaf8912a0, flags=...) at kernel/qeventloop.cpp:201
#8  0x083db90b in QThread::exec (this=0x937c170) at thread/qthread.cpp:498
#9  0x084b8e2d in QInotifyFileSystemWatcherEngine::run (this=0x937c170) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x083de7b3 in QThreadPrivate::start (arg=0x937c170) at thread/qthread_unix.cpp:331
#11 0x0321dd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x00e200ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xad1feb70 (LWP 2370)):
#0  0x00322416 in __kernel_vsyscall ()
#1  0x03221a5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x00e2dcfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x02198883 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0x0219899f in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0x0321dd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x00e200ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xac8d5b70 (LWP 2371)):
#0  0x032cbf17 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0x032cc8f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x032ccc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x08507b37 in QEventDispatcherGlib::processEvents (this=0x95496a8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x084d81dd in QEventLoop::processEvents (this=0xac8d52d0, flags=...) at kernel/qeventloop.cpp:149
#5  0x084d8421 in QEventLoop::exec (this=0xac8d52d0, flags=...) at kernel/qeventloop.cpp:201
#6  0x083db90b in QThread::exec (this=0x9548e80) at thread/qthread.cpp:498
#7  0x083db9fb in QThread::run (this=0x9548e80) at thread/qthread.cpp:565
#8  0x083de7b3 in QThreadPrivate::start (arg=0x9548e80) at thread/qthread_unix.cpp:331
#9  0x0321dd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#10 0x00e200ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb775eb20 (LWP 2331)):
[KCrash Handler]
#7  isNull (this=0x1) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0x1) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=0xa057960) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0x045e7662 in WindowTaskItem::publishIconGeometry (this=0xa1dfc78) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0x045f8688 in AbstractTaskItem::timerEvent (this=0xa1dfc78, event=0xbfd93e8c) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0x084f1994 in QObject::event (this=0xa1dfc78, e=0xbfd93e8c) at kernel/qobject.cpp:1181
#13 0x07b98bd4 in QGraphicsWidget::event (this=0xa1dfc78, event=0xbfd93e8c) at graphicsview/qgraphicswidget.cpp:1455
#14 0x074d9d54 in notify_helper (e=0xbfd93e8c, receiver=0xa1dfc78, this=0x8aa1780) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x8aa1780, receiver=0xa1dfc78, e=0xbfd93e8c) at kernel/qapplication.cpp:4458
#16 0x074df103 in QApplication::notify (this=0xbfd93e8c, receiver=0xa1dfc78, e=0xbfd93e8c) at kernel/qapplication.cpp:3886
#17 0x06e78681 in KApplication::notify (this=0x8a5e5f8, receiver=0xa1dfc78, event=0xbfd93e8c) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x084d919e in QCoreApplication::notifyInternal (this=0x8a5e5f8, receiver=0xa1dfc78, event=0xbfd93e8c) at kernel/qcoreapplication.cpp:787
#19 0x08509c10 in sendEvent (event=0xbfd93e8c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x8aa3df4) at kernel/qeventdispatcher_unix.cpp:603
#21 0x08507155 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#22 idleTimerSourceDispatch (source=0x8aa3e28) at kernel/qeventdispatcher_glib.cpp:231
#23 0x032cc25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0x032cc990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0x032ccc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0x08507ada in QEventDispatcherGlib::processEvents (this=0x8a3f230, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#27 0x07591e3a in QGuiEventDispatcherGlib::processEvents (this=0x8a3f230, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x084d81dd in QEventLoop::processEvents (this=0xbfd94104, flags=...) at kernel/qeventloop.cpp:149
#29 0x084d8421 in QEventLoop::exec (this=0xbfd94104, flags=...) at kernel/qeventloop.cpp:201
#30 0x084dd19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#31 0x074d78f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#32 0x0077818b in kdemain (argc=1, argv=0xbfd94304) at ../../../../plasma/desktop/shell/main.cpp:120
#33 0x0804850b in main (argc=1, argv=0xbfd94304) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 291787, bug 291785, bug 291780, bug 291755, bug 291689.

Reported using DrKonqi