Bug 289632

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:
- Closing a syke conf call after everybody hung up
-Firefox, IntelliJ, one Konsole w/ 2 tabs, and the GroovyConsole all were open
-Java 1.6.0_17-b04

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fbda636f7c0 (LWP 1825))]

Thread 8 (Thread 0x7fbd8266d700 (LWP 1826)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007fbd8266c9f0 in ?? ()
#2  0x00007fffc49ff7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 7 (Thread 0x7fbd80e26700 (LWP 1827)):
#0  0x00007fbd9ace502f in __pthread_mutex_lock (mutex=0x10de4e8) at pthread_mutex_lock.c:61
#1  0x00007fbd9a1d6044 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbd9a1d6429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbda2e3cf3e in QEventDispatcherGlib::processEvents (this=0x10ddfd0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fbda2e10cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fbda2e10ef7 in QEventLoop::exec (this=0x7fbd80e25cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fbda2d2827f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fbda2df3cbf in QInotifyFileSystemWatcherEngine::run (this=0x10dd2a0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fbda2d2ad05 in QThreadPrivate::start (arg=0x10dd2a0) at thread/qthread_unix.cpp:331
#9  0x00007fbd974ef56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fbd9ace2efc in start_thread (arg=0x7fbd80e26700) at pthread_create.c:304
#11 0x00007fbda5c5789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fbd7610e700 (LWP 1835)):
#0  0x00007fbda5c4b773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fbd9a1d5f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbd9a1d6792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbd76bec516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fbd9a1fb2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbd974ef56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x00007fbd9ace2efc in start_thread (arg=0x7fbd7610e700) at pthread_create.c:304
#7  0x00007fbda5c5789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fbd7893e700 (LWP 2019)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbda2d2b1ab in wait (time=18446744073709551615, this=0xf71a40) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xfa5670, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fbd9eb25864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xf9bfd0, th=0x1ee7d00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fbd9eb27e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0xfa4a40, th=0x1ee7d00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fbd9eb26ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fbd7893dd20, parent=0xf9bfd0, th=0x1ee7d00) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fbd9eb26d5b in ThreadWeaver::Thread::run (this=0x1ee7d00) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fbda2d2ad05 in QThreadPrivate::start (arg=0x1ee7d00) at thread/qthread_unix.cpp:331
#8  0x00007fbd974ef56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fbd9ace2efc in start_thread (arg=0x7fbd7893e700) at pthread_create.c:304
#10 0x00007fbda5c5789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fbd7690f700 (LWP 2020)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbda2d2b1ab in wait (time=18446744073709551615, this=0xf71a40) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xfa5670, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fbd9eb25864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xf9bfd0, th=0x1b7dd90) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fbd9eb27e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0xfa4a40, th=0x1b7dd90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fbd9eb27e24 in ThreadWeaver::WorkingHardState::applyForWork (this=0xfa4a40, th=0x1b7dd90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fbd9eb26ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fbd7690ed20, parent=0xf9bfd0, th=0x1b7dd90) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007fbd9eb26d5b in ThreadWeaver::Thread::run (this=0x1b7dd90) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fbda2d2ad05 in QThreadPrivate::start (arg=0x1b7dd90) at thread/qthread_unix.cpp:331
#9  0x00007fbd974ef56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fbd9ace2efc in start_thread (arg=0x7fbd7690f700) at pthread_create.c:304
#11 0x00007fbda5c5789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fbd72fd6700 (LWP 2021)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbda2d2b1ab in wait (time=18446744073709551615, this=0xf71a40) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xfa5670, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fbd9eb25864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xf9bfd0, th=0x16a75c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fbd9eb27e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0xfa4a40, th=0x16a75c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fbd9eb26ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fbd72fd5d20, parent=0xf9bfd0, th=0x16a75c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fbd9eb26d5b in ThreadWeaver::Thread::run (this=0x16a75c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fbda2d2ad05 in QThreadPrivate::start (arg=0x16a75c0) at thread/qthread_unix.cpp:331
#8  0x00007fbd974ef56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fbd9ace2efc in start_thread (arg=0x7fbd72fd6700) at pthread_create.c:304
#10 0x00007fbda5c5789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fbd727d5700 (LWP 2022)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbda2d2b1ab in wait (time=18446744073709551615, this=0xf71a40) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xfa5670, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fbd9eb25864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xf9bfd0, th=0xec8110) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fbd9eb27e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0xfa4a40, th=0xec8110) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fbd9eb26ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fbd727d4d20, parent=0xf9bfd0, th=0xec8110) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fbd9eb26d5b in ThreadWeaver::Thread::run (this=0xec8110) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fbda2d2ad05 in QThreadPrivate::start (arg=0xec8110) at thread/qthread_unix.cpp:331
#8  0x00007fbd974ef56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fbd9ace2efc in start_thread (arg=0x7fbd727d5700) at pthread_create.c:304
#10 0x00007fbda5c5789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fbda636f7c0 (LWP 1825)):
[KCrash Handler]
#6  isNull (this=0x4d0000) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x4d0000) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x24877e0) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007fbd8af42112 in WindowTaskItem::publishIconGeometry (this=0x138f880) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007fbd8af50b7c in AbstractTaskItem::timerEvent (this=0x138f880, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007fbda2e28789 in QObject::event (this=0x138f880, e=<optimized out>) at kernel/qobject.cpp:1181
#12 0x00007fbda27e089b in QGraphicsWidget::event (this=0x138f880, event=0x7fffc48b1e60) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007fbda21c2424 in notify_helper (e=0x7fffc48b1e60, receiver=0x138f880, this=0x7c9d80) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x7c9d80, receiver=0x138f880, e=0x7fffc48b1e60) at kernel/qapplication.cpp:4458
#15 0x00007fbda21c7291 in QApplication::notify (this=0x7bb790, receiver=0x138f880, e=0x7fffc48b1e60) at kernel/qapplication.cpp:4365
#16 0x00007fbda3ac0126 in KApplication::notify (this=0x7bb790, receiver=0x138f880, event=0x7fffc48b1e60) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007fbda2e11afc in QCoreApplication::notifyInternal (this=0x7bb790, receiver=0x138f880, event=0x7fffc48b1e60) at kernel/qcoreapplication.cpp:787
#18 0x00007fbda2e3ed62 in sendEvent (event=0x7fffc48b1e60, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x7cf7b0) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007fbda2e3c538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#22 0x00007fbd9a1d5a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fbd9a1d6258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fbd9a1d6429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fbda2e3ced6 in QEventDispatcherGlib::processEvents (this=0x719f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007fbda226a07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007fbda2e10cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007fbda2e10ef7 in QEventLoop::exec (this=0x7fffc48b20f0, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007fbda2e15789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x00007fbda5f561a3 in kdemain (argc=1, argv=0x7fffc48b24d8) at ../../../../plasma/desktop/shell/main.cpp:120
#31 0x00007fbda5b9730d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffc48b24d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffc48b24c8) at libc-start.c:226
#32 0x0000000000400671 in _start ()

Possible duplicates by query: bug 289628, bug 289579, bug 289577, bug 289559, bug 289549.

Reported using DrKonqi