Bug 292512

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
«plasma crash»
«plasma crash»
«plasma crash»

- Unusual behavior I noticed:
«plasma crash»
«plasma crash»

-- Backtrace:
Application: Shell de escritorio Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f93aeca27c0 (LWP 1771))]

Thread 8 (Thread 0x7f938a6b3700 (LWP 1772)):
#0  __pthread_mutex_lock (mutex=0x1) at pthread_mutex_lock.c:47
#1  0x00007f93a2b09023 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93a2b09dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f93a2b0a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f93ab770f3e in QEventDispatcherGlib::processEvents (this=0x1ebe3e0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f93ab744cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f93ab744ef7 in QEventLoop::exec (this=0x7f938a6b2cd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f93ab65c27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007f93ab727cbf in QInotifyFileSystemWatcherEngine::run (this=0x1ebc670) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f93ab65ed05 in QThreadPrivate::start (arg=0x1ebc670) at thread/qthread_unix.cpp:331
#10 0x00007f939fe2356c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#11 0x00007f93a3616efc in start_thread (arg=0x7f938a6b3700) at pthread_create.c:304
#12 0x00007f93ae58b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f9388e4c700 (LWP 1773)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f9388e4b9f0 in ?? ()
#2  0x00007fff0794b7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 6 (Thread 0x7f937fe80700 (LWP 1779)):
#0  0x00007f93ae57f773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f93a2b09f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f93a2b0a792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f938095e516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f93a2b2f2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f939fe2356c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#6  0x00007f93a3616efc in start_thread (arg=0x7f937fe80700) at pthread_create.c:304
#7  0x00007f93ae58b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f937cfbf700 (LWP 2159)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f93ab65f1ab in wait (time=18446744073709551615, this=0x1f3f4c0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1f27b70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f93a7459864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1fa7720, th=0x2b23dc0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f93a745be0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1f27b90, th=0x2b23dc0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f93a745accf in ThreadWeaver::ThreadRunHelper::run (this=0x7f937cfbed20, parent=0x1fa7720, th=0x2b23dc0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f93a745ad5b in ThreadWeaver::Thread::run (this=0x2b23dc0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f93ab65ed05 in QThreadPrivate::start (arg=0x2b23dc0) at thread/qthread_unix.cpp:331
#8  0x00007f939fe2356c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#9  0x00007f93a3616efc in start_thread (arg=0x7f937cfbf700) at pthread_create.c:304
#10 0x00007f93ae58b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f937c1ae700 (LWP 2160)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f93ab65f1ab in wait (time=18446744073709551615, this=0x1f3f4c0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1f27b70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f93a7459864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1fa7720, th=0x2271c00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f93a745be0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1f27b90, th=0x2271c00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f93a745accf in ThreadWeaver::ThreadRunHelper::run (this=0x7f937c1add20, parent=0x1fa7720, th=0x2271c00) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f93a745ad5b in ThreadWeaver::Thread::run (this=0x2271c00) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f93ab65ed05 in QThreadPrivate::start (arg=0x2271c00) at thread/qthread_unix.cpp:331
#8  0x00007f939fe2356c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#9  0x00007f93a3616efc in start_thread (arg=0x7f937c1ae700) at pthread_create.c:304
#10 0x00007f93ae58b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f9382fbf700 (LWP 2161)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f93ab65f1ab in wait (time=18446744073709551615, this=0x1f3f4c0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1f27b70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f93a7459864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1fa7720, th=0x18c48e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f93a745be0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1f27b90, th=0x18c48e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f93a745be24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1f27b90, th=0x18c48e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f93a745accf in ThreadWeaver::ThreadRunHelper::run (this=0x7f9382fbed20, parent=0x1fa7720, th=0x18c48e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f93a745ad5b in ThreadWeaver::Thread::run (this=0x18c48e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f93ab65ed05 in QThreadPrivate::start (arg=0x18c48e0) at thread/qthread_unix.cpp:331
#9  0x00007f939fe2356c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f93a3616efc in start_thread (arg=0x7f9382fbf700) at pthread_create.c:304
#11 0x00007f93ae58b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9380681700 (LWP 2162)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f93ab65f1ab in wait (time=18446744073709551615, this=0x1f3f4c0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1f27b70, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f93a7459864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1fa7720, th=0x2fdd5e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f93a745be0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1f27b90, th=0x2fdd5e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f93a745accf in ThreadWeaver::ThreadRunHelper::run (this=0x7f9380680d20, parent=0x1fa7720, th=0x2fdd5e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f93a745ad5b in ThreadWeaver::Thread::run (this=0x2fdd5e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f93ab65ed05 in QThreadPrivate::start (arg=0x2fdd5e0) at thread/qthread_unix.cpp:331
#8  0x00007f939fe2356c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#9  0x00007f93a3616efc in start_thread (arg=0x7f9380681700) at pthread_create.c:304
#10 0x00007f93ae58b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f93aeca27c0 (LWP 1771)):
[KCrash Handler]
#6  isNull (this=0x0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x21646d0) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007f93935ae112 in WindowTaskItem::publishIconGeometry (this=0x2b20070) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007f93935bcb7c in AbstractTaskItem::timerEvent (this=0x2b20070, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007f93ab75c789 in QObject::event (this=0x2b20070, e=<optimized out>) at kernel/qobject.cpp:1181
#12 0x00007f93ab11489b in QGraphicsWidget::event (this=0x2b20070, event=0x7fff07890e90) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007f93aaaf6424 in notify_helper (e=0x7fff07890e90, receiver=0x2b20070, this=0x167cd70) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x167cd70, receiver=0x2b20070, e=0x7fff07890e90) at kernel/qapplication.cpp:4458
#15 0x00007f93aaafb291 in QApplication::notify (this=0x1664790, receiver=0x2b20070, e=0x7fff07890e90) at kernel/qapplication.cpp:4365
#16 0x00007f93ac3f4126 in KApplication::notify (this=0x1664790, receiver=0x2b20070, event=0x7fff07890e90) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f93ab745afc in QCoreApplication::notifyInternal (this=0x1664790, receiver=0x2b20070, event=0x7fff07890e90) at kernel/qcoreapplication.cpp:787
#18 0x00007f93ab772d62 in sendEvent (event=0x7fff07890e90, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x1684800) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007f93ab770514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 0x00007f93a2b09a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f93a2b0a258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f93a2b0a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f93ab770ed6 in QEventDispatcherGlib::processEvents (this=0x15bdf40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#25 0x00007f93aab9e07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007f93ab744cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#27 0x00007f93ab744ef7 in QEventLoop::exec (this=0x7fff07891120, flags=...) at kernel/qeventloop.cpp:201
#28 0x00007f93ab749789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#29 0x00007f93ae88a1a3 in kdemain (argc=1, argv=0x7fff07891508) at ../../../../plasma/desktop/shell/main.cpp:120
#30 0x00007f93ae4cb30d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff07891508, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff078914f8) at libc-start.c:226
#31 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 292434.

Possible duplicates by query: bug 292479, bug 292434, bug 292417, bug 292361, bug 292341.

Reported using DrKonqi