Bug 288000

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 x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:  Received email in Thunderbird 8.   Two java application running.  Dolphin and Kopete running.  TOra sql editor running.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fc5bef6a7c0 (LWP 2012))]

Thread 4 (Thread 0x7fc598343700 (LWP 2013)):
#0  0x00007fc5be84b773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fc5b2dd5f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc5b2dd6429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc5bba3cf3e in QEventDispatcherGlib::processEvents (this=0x25046e0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fc5bba10cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fc5bba10ef7 in QEventLoop::exec (this=0x7fc598342cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fc5bb92827f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fc5bb9f3cbf in QInotifyFileSystemWatcherEngine::run (this=0x25039c0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fc5bb92ad05 in QThreadPrivate::start (arg=0x25039c0) at thread/qthread_unix.cpp:331
#9  0x00007fc5b00ee2da in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fc5b38e2efc in start_thread (arg=0x7fc598343700) at pthread_create.c:304
#11 0x00007fc5be85789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fc59569e700 (LWP 2016)):
#0  0x00007fc5b38e5034 in __pthread_mutex_lock (mutex=0x2cfe468) at pthread_mutex_lock.c:61
#1  0x00007fc5b2dd5f2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc5b2dd6429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc5bba3cf3e in QEventDispatcherGlib::processEvents (this=0x2cfcc20, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fc5bba10cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fc5bba10ef7 in QEventLoop::exec (this=0x7fc59569dcd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fc5bb92827f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fc5bb9f3cbf in QInotifyFileSystemWatcherEngine::run (this=0x2cef6b0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fc5bb92ad05 in QThreadPrivate::start (arg=0x2cef6b0) at thread/qthread_unix.cpp:331
#9  0x00007fc5b00ee2da in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fc5b38e2efc in start_thread (arg=0x7fc59569e700) at pthread_create.c:304
#11 0x00007fc5be85789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fc58ddc3700 (LWP 2022)):
#0  0x00007fc5be84b773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fc5b2dd5f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc5b2dd6792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc58e8a1516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fc5b2dfb2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc5b00ee2da in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x00007fc5b38e2efc in start_thread (arg=0x7fc58ddc3700) at pthread_create.c:304
#7  0x00007fc5be85789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fc5bef6a7c0 (LWP 2012)):
[KCrash Handler]
#6  isNull (this=0x3503c0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x3503c0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x4328560) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007fc5a2d52068 in WindowTaskItem::publishIconGeometry (this=0x3d36450, rect=...) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:130
#10 0x00007fc5a2d61d24 in TaskGroupItem::publishIconGeometry (this=<optimized out>, rect=...) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1432
#11 0x00007fc5a2d61aa5 in publishIconGeometry (this=0x1b6bc40) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1424
#12 TaskGroupItem::publishIconGeometry (this=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1416
#13 0x00007fc5a2d60b7c in AbstractTaskItem::timerEvent (this=0x1b6bc40, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#14 0x00007fc5bba28789 in QObject::event (this=0x1b6bc40, e=<optimized out>) at kernel/qobject.cpp:1181
#15 0x00007fc5bb3e089b in QGraphicsWidget::event (this=0x1b6bc40, event=0x7fff94ac62a0) at graphicsview/qgraphicswidget.cpp:1455
#16 0x00007fc5badc2424 in notify_helper (e=0x7fff94ac62a0, receiver=0x1b6bc40, this=0x1ac1450) at kernel/qapplication.cpp:4486
#17 QApplicationPrivate::notify_helper (this=0x1ac1450, receiver=0x1b6bc40, e=0x7fff94ac62a0) at kernel/qapplication.cpp:4458
#18 0x00007fc5badc7291 in QApplication::notify (this=0x1aa4760, receiver=0x1b6bc40, e=0x7fff94ac62a0) at kernel/qapplication.cpp:4365
#19 0x00007fc5bc6c0126 in KApplication::notify (this=0x1aa4760, receiver=0x1b6bc40, event=0x7fff94ac62a0) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007fc5bba11afc in QCoreApplication::notifyInternal (this=0x1aa4760, receiver=0x1b6bc40, event=0x7fff94ac62a0) at kernel/qcoreapplication.cpp:787
#21 0x00007fc5bba3ed62 in sendEvent (event=0x7fff94ac62a0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QTimerInfoList::activateTimers (this=0x1abf290) at kernel/qeventdispatcher_unix.cpp:603
#23 0x00007fc5bba3c538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#24 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#25 0x00007fc5b2dd5a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fc5b2dd6258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007fc5b2dd6429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fc5bba3ced6 in QEventDispatcherGlib::processEvents (this=0x1a0af40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#29 0x00007fc5bae6a07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x00007fc5bba10cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#31 0x00007fc5bba10ef7 in QEventLoop::exec (this=0x7fff94ac6530, flags=...) at kernel/qeventloop.cpp:201
#32 0x00007fc5bba15789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#33 0x00007fc5beb561a3 in kdemain (argc=1, argv=0x7fff94ac6918) at ../../../../plasma/desktop/shell/main.cpp:120
#34 0x00007fc5be79730d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff94ac6918, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff94ac6908) at libc-start.c:226
#35 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 287014.

Possible duplicates by query: bug 287963, bug 287876, bug 287848, bug 287831, bug 287740.

Reported using DrKonqi