Bug 291000

Summary:	plasma-desktop crash very frequently
Product:	[Unmaintained] plasma4	Reporter:	stars
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	ghost16, thijs22nospam
Priority:	NOR
Version:	unspecified
Target Milestone:	---
Platform:	Ubuntu
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	New crash information added by DrKonqi

Description stars 2012-01-08 21:13:24 UTC

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-15-server x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:i was changing to others windows or just open new folders. I got principaly that crash on system who was upgrded to Oneric kubuntu

The crash can be reproduced every time.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f529b5b97c0 (LWP 2709))]

Thread 12 (Thread 0x7f527cc91700 (LWP 2711)):
#0  0x00007f528f42ad79 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f528f42b792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f527d76f516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#3  0x00007f528f4502b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f528c74456c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#5  0x00007f528ff37efc in start_thread (arg=0x7f527cc91700) at pthread_create.c:304
#6  0x00007f529aeac89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f5272610700 (LWP 2712)):
#0  0x00007f528ff3a03e in __pthread_mutex_lock (mutex=0x7f5278009048) at pthread_mutex_lock.c:62
#1  0x00007f528f42b414 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5298091f3e in QEventDispatcherGlib::processEvents (this=0x7f5278008b30, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#3  0x00007f5298065cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#4  0x00007f5298065ef7 in QEventLoop::exec (this=0x7f527260fcd0, flags=...) at kernel/qeventloop.cpp:201
#5  0x00007f5297f7d27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#6  0x00007f5298048cbf in QInotifyFileSystemWatcherEngine::run (this=0x1aa3280) at io/qfilesystemwatcher_inotify.cpp:248
#7  0x00007f5297f7fd05 in QThreadPrivate::start (arg=0x1aa3280) at thread/qthread_unix.cpp:331
#8  0x00007f528c74456c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007f528ff37efc in start_thread (arg=0x7f5272610700) at pthread_create.c:304
#10 0x00007f529aeac89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f526fd35700 (LWP 2713)):
#0  0x00007f528ff3a034 in __pthread_mutex_lock (mutex=0x7f527800a7f8) at pthread_mutex_lock.c:61
#1  0x00007f528f429649 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f528f42ad81 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f528f42b429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5298091f3e in QEventDispatcherGlib::processEvents (this=0x1cd0ec0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f5298065cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f5298065ef7 in QEventLoop::exec (this=0x7f526fd34cd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f5297f7d27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007f5298048cbf in QInotifyFileSystemWatcherEngine::run (this=0x1cd76a0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f5297f7fd05 in QThreadPrivate::start (arg=0x1cd76a0) at thread/qthread_unix.cpp:331
#10 0x00007f528c74456c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007f528ff37efc in start_thread (arg=0x7f526fd35700) at pthread_create.c:304
#12 0x00007f529aeac89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f526bbb8700 (LWP 23488)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5297f801ab in wait (time=18446744073709551615, this=0x1b37370) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b1af00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5293d7a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1b78110, th=0x2d64150) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5293d7ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x2d64150) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5293d7ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x2d64150) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f5293d7ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x2d64150) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f5293d7ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x2d64150) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x00007f5293d7bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f526bbb7d20, parent=0x1b78110, th=0x2d64150) at ../../../threadweaver/Weaver/Thread.cpp:87
#9  0x00007f5293d7bd5b in ThreadWeaver::Thread::run (this=0x2d64150) at ../../../threadweaver/Weaver/Thread.cpp:142
#10 0x00007f5297f7fd05 in QThreadPrivate::start (arg=0x2d64150) at thread/qthread_unix.cpp:331
#11 0x00007f528c74456c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#12 0x00007f528ff37efc in start_thread (arg=0x7f526bbb8700) at pthread_create.c:304
#13 0x00007f529aeac89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f526e894700 (LWP 23489)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5297f801ab in wait (time=18446744073709551615, this=0x1b37370) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b1af00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5293d7a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1b78110, th=0x2618a80) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5293d7ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x2618a80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5293d7ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x2618a80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f5293d7ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x2618a80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f5293d7bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f526e893d20, parent=0x1b78110, th=0x2618a80) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f5293d7bd5b in ThreadWeaver::Thread::run (this=0x2618a80) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f5297f7fd05 in QThreadPrivate::start (arg=0x2618a80) at thread/qthread_unix.cpp:331
#10 0x00007f528c74456c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007f528ff37efc in start_thread (arg=0x7f526e894700) at pthread_create.c:304
#12 0x00007f529aeac89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f527d492700 (LWP 23490)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5297f801ab in wait (time=18446744073709551615, this=0x1b37370) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b1af00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5293d7a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1b78110, th=0x2431ec0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5293d7ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x2431ec0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5293d7bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f527d491d20, parent=0x1b78110, th=0x2431ec0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f5293d7bd5b in ThreadWeaver::Thread::run (this=0x2431ec0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f5297f7fd05 in QThreadPrivate::start (arg=0x2431ec0) at thread/qthread_unix.cpp:331
#8  0x00007f528c74456c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007f528ff37efc in start_thread (arg=0x7f527d492700) at pthread_create.c:304
#10 0x00007f529aeac89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f5268529700 (LWP 23491)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5297f801ab in wait (time=18446744073709551615, this=0x1b37370) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b1af00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5293d7a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1b78110, th=0x7f527800cb60) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5293d7ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x7f527800cb60) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5293d7ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x7f527800cb60) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f5293d7ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x7f527800cb60) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f5293d7bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f5268528d20, parent=0x1b78110, th=0x7f527800cb60) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f5293d7bd5b in ThreadWeaver::Thread::run (this=0x7f527800cb60) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f5297f7fd05 in QThreadPrivate::start (arg=0x7f527800cb60) at thread/qthread_unix.cpp:331
#10 0x00007f528c74456c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007f528ff37efc in start_thread (arg=0x7f5268529700) at pthread_create.c:304
#12 0x00007f529aeac89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f5267d28700 (LWP 23492)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5297f801ab in wait (time=18446744073709551615, this=0x1b37370) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b1af00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5293d7a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1b78110, th=0x25917a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5293d7ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x25917a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5293d7bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f5267d27d20, parent=0x1b78110, th=0x25917a0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f5293d7bd5b in ThreadWeaver::Thread::run (this=0x25917a0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f5297f7fd05 in QThreadPrivate::start (arg=0x25917a0) at thread/qthread_unix.cpp:331
#8  0x00007f528c74456c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007f528ff37efc in start_thread (arg=0x7f5267d28700) at pthread_create.c:304
#10 0x00007f529aeac89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f5267527700 (LWP 23497)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5297f801ab in wait (time=18446744073709551615, this=0x1b37370) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b1af00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5293d7a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1b78110, th=0x27a7430) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5293d7ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x27a7430) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5293d7ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x27a7430) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f5293d7ce24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x27a7430) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f5293d7bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f5267526d20, parent=0x1b78110, th=0x27a7430) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f5293d7bd5b in ThreadWeaver::Thread::run (this=0x27a7430) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f5297f7fd05 in QThreadPrivate::start (arg=0x27a7430) at thread/qthread_unix.cpp:331
#10 0x00007f528c74456c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007f528ff37efc in start_thread (arg=0x7f5267527700) at pthread_create.c:304
#12 0x00007f529aeac89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f5266d26700 (LWP 23498)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5297f801ab in wait (time=18446744073709551615, this=0x1b37370) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b1af00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5293d7a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1b78110, th=0x21e1710) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5293d7ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x21e1710) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5293d7bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f5266d25d20, parent=0x1b78110, th=0x21e1710) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f5293d7bd5b in ThreadWeaver::Thread::run (this=0x21e1710) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f5297f7fd05 in QThreadPrivate::start (arg=0x21e1710) at thread/qthread_unix.cpp:331
#8  0x00007f528c74456c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007f528ff37efc in start_thread (arg=0x7f5266d26700) at pthread_create.c:304
#10 0x00007f529aeac89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5266525700 (LWP 23499)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5297f801ab in wait (time=18446744073709551615, this=0x1b37370) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b1af00, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f5293d7a864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1b78110, th=0x21e2650) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f5293d7ce0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b1afe0, th=0x21e2650) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f5293d7bccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f5266524d20, parent=0x1b78110, th=0x21e2650) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f5293d7bd5b in ThreadWeaver::Thread::run (this=0x21e2650) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f5297f7fd05 in QThreadPrivate::start (arg=0x21e2650) at thread/qthread_unix.cpp:331
#8  0x00007f528c74456c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007f528ff37efc in start_thread (arg=0x7f5266525700) at pthread_create.c:304
#10 0x00007f529aeac89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f529b5b97c0 (LWP 2709)):
[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=0x339f6d0) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007f527eae2068 in WindowTaskItem::publishIconGeometry (this=0x3617630, rect=...) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:130
#10 0x00007f527eaf1d24 in TaskGroupItem::publishIconGeometry (this=<optimized out>, rect=...) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1432
#11 0x00007f527eaf1aa5 in publishIconGeometry (this=0x247dc40) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1424
#12 TaskGroupItem::publishIconGeometry (this=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1416
#13 0x00007f527eaf0b7c in AbstractTaskItem::timerEvent (this=0x247dc40, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#14 0x00007f529807d789 in QObject::event (this=0x247dc40, e=<optimized out>) at kernel/qobject.cpp:1181
#15 0x00007f5297a3589b in QGraphicsWidget::event (this=0x247dc40, event=0x7fff3c8c91e0) at graphicsview/qgraphicswidget.cpp:1455
#16 0x00007f5297417424 in notify_helper (e=0x7fff3c8c91e0, receiver=0x247dc40, this=0x1142770) at kernel/qapplication.cpp:4486
#17 QApplicationPrivate::notify_helper (this=0x1142770, receiver=0x247dc40, e=0x7fff3c8c91e0) at kernel/qapplication.cpp:4458
#18 0x00007f529741c291 in QApplication::notify (this=0x112ec60, receiver=0x247dc40, e=0x7fff3c8c91e0) at kernel/qapplication.cpp:4365
#19 0x00007f5298d15126 in KApplication::notify (this=0x112ec60, receiver=0x247dc40, event=0x7fff3c8c91e0) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007f5298066afc in QCoreApplication::notifyInternal (this=0x112ec60, receiver=0x247dc40, event=0x7fff3c8c91e0) at kernel/qcoreapplication.cpp:787
#21 0x00007f5298093d62 in sendEvent (event=0x7fff3c8c91e0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QTimerInfoList::activateTimers (this=0x113faf0) at kernel/qeventdispatcher_unix.cpp:603
#23 0x00007f5298091514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#24 0x00007f528f42aa5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f528f42b258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f528f42b429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f5298091ed6 in QEventDispatcherGlib::processEvents (this=0x107af40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#28 0x00007f52974bf07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007f5298065cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00007f5298065ef7 in QEventLoop::exec (this=0x7fff3c8c9470, flags=...) at kernel/qeventloop.cpp:201
#31 0x00007f529806a789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#32 0x00007f529b1ab1a3 in kdemain (argc=1, argv=0x7fff3c8c9858) at ../../../../plasma/desktop/shell/main.cpp:120
#33 0x00007f529adec30d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff3c8c9858, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff3c8c9848) at libc-start.c:226
#34 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 290995.

Possible duplicates by query: bug 290995, bug 290994, bug 290993, bug 290969, bug 290943.

Reported using DrKonqi

Comment 1 Thijs 2012-01-08 21:41:14 UTC


*** This bug has been marked as a duplicate of bug 272495 ***

Comment 2 Little John 2012-01-09 09:54:34 UTC

Created attachment 67608 [details]
New crash information added by DrKonqi

plasma-desktop (0.4) on KDE Platform 4.7.3 (4.7.3) using Qt 4.7.4

- What I was doing when the application crashed: i was using okular (reading a pdf), meanehile i was running pidgin(facebook chat), firefox 10(beta), thunderbird 10 (beta), transmission, amarok.
but previously plasma crash without a reason, no app was running sometimes or often when i poweroff meanwhile apps were running

-- Backtrace (Reduced):
#6  isNull (this=0x3437310065757274) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x3437310065757274) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x2c476c0) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007fe6b5248112 in WindowTaskItem::publishIconGeometry (this=0x1c50f90) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007fe6b5256b7c in AbstractTaskItem::timerEvent (this=0x1c50f90, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439