Bug 318104

Summary: Plasma crashed when configuring Task Manager widget
Product: [Unmaintained] plasma4 Reporter: Alexandra Ghecenco <alexandra.ghecenco>
Component: generalAssignee: Plasma Bugs List <plasma-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: crash    
Priority: NOR    
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: Other   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Alexandra Ghecenco 2013-04-09 20:22:02 UTC 
Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-39-generic x86_64
Distribution: Linux Mint 13 Maya

-- Information about the crash:
I was configuring the Task Manager widget not to show windows opened in other workspaces and desktops when Plasma crashed.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fae744f87c0 (LWP 2173))]

Thread 12 (Thread 0x7fae52ce2700 (LWP 2175)):
#0  0x00007fae73dd18bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007fae6527a0bc in ?? () from /usr/lib/nvidia-current/libGL.so.1
#2  0x00007fae62af8b27 in ?? () from /usr/lib/nvidia-current/tls/libnvidia-tls.so.295.40
#3  0x00007fae67fbc8cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fae67f81ba4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fae67f81fd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fae67f82164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fae70fa4426 in QEventDispatcherGlib::processEvents (this=0x7fae4c0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#8  0x00007fae70f73c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007fae70f73ed7 in QEventLoop::exec (this=0x7fae52ce1cd0, flags=...) at kernel/qeventloop.cpp:204
#10 0x00007fae70e72fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#11 0x00007fae70f539ff in QInotifyFileSystemWatcherEngine::run (this=0x19884d0) at io/qfilesystemwatcher_inotify.cpp:248
#12 0x00007fae70e75fcb in QThreadPrivate::start (arg=0x19884d0) at thread/qthread_unix.cpp:298
#13 0x00007fae6527bb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#14 0x00007fae68886e9a in start_thread (arg=0x7fae52ce2700) at pthread_create.c:308
#15 0x00007fae73ddecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#16 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7fae46d27700 (LWP 2176)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:132
#1  0x00007fae68889080 in _L_lock_903 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007fae68888f19 in __pthread_mutex_lock (mutex=0x7fae654d6540) at pthread_mutex_lock.c:82
#3  0x00007fae6527655c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007fae65279c0e in ?? () from /usr/lib/nvidia-current/libGL.so.1
#5  0x00007fae6527a12a in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x00007fae62af8b27 in ?? () from /usr/lib/nvidia-current/tls/libnvidia-tls.so.295.40
#7  0x00007fae67fbc8cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fae67f81ba4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fae67f81fd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fae67f82164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fae70fa4426 in QEventDispatcherGlib::processEvents (this=0x7fae400008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x00007fae70f73c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007fae70f73ed7 in QEventLoop::exec (this=0x7fae46d26cd0, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007fae70e72fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#15 0x00007fae70f539ff in QInotifyFileSystemWatcherEngine::run (this=0x1c0c800) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x00007fae70e75fcb in QThreadPrivate::start (arg=0x1c0c800) at thread/qthread_unix.cpp:298
#17 0x00007fae6527bb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#18 0x00007fae68886e9a in start_thread (arg=0x7fae46d27700) at pthread_create.c:308
#19 0x00007fae73ddecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#20 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7fae3fd1a700 (LWP 2179)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fae6dd58222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fae6dd58259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fae6527bb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007fae68886e9a in start_thread (arg=0x7fae3fd1a700) at pthread_create.c:308
#5  0x00007fae73ddecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fae3d929700 (LWP 5403)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fae70e764db in wait (time=18446744073709551615, this=0x1c11f60) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1be3ce0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fae6ca210eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1cb85d0, th=0x39c4cc0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fae6ca239db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x39c4cc0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fae6ca239f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x39c4cc0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fae6ca2284f in ThreadWeaver::ThreadRunHelper::run (this=0x7fae3d928d20, parent=0x1cb85d0, th=0x39c4cc0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007fae6ca228db in ThreadWeaver::Thread::run (this=0x39c4cc0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fae70e75fcb in QThreadPrivate::start (arg=0x39c4cc0) at thread/qthread_unix.cpp:298
#9  0x00007fae6527bb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fae68886e9a in start_thread (arg=0x7fae3d929700) at pthread_create.c:308
#11 0x00007fae73ddecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fae32fae700 (LWP 5404)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fae70e764db in wait (time=18446744073709551615, this=0x1c11f60) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1be3ce0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fae6ca210eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1cb85d0, th=0x2f82ab0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fae6ca239db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x2f82ab0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fae6ca2284f in ThreadWeaver::ThreadRunHelper::run (this=0x7fae32fadd20, parent=0x1cb85d0, th=0x2f82ab0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fae6ca228db in ThreadWeaver::Thread::run (this=0x2f82ab0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fae70e75fcb in QThreadPrivate::start (arg=0x2f82ab0) at thread/qthread_unix.cpp:298
#8  0x00007fae6527bb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fae68886e9a in start_thread (arg=0x7fae32fae700) at pthread_create.c:308
#10 0x00007fae73ddecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fae327ad700 (LWP 5405)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fae70e764db in wait (time=18446744073709551615, this=0x1c11f60) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1be3ce0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fae6ca210eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1cb85d0, th=0x3a74f00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fae6ca239db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x3a74f00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fae6ca2284f in ThreadWeaver::ThreadRunHelper::run (this=0x7fae327acd20, parent=0x1cb85d0, th=0x3a74f00) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fae6ca228db in ThreadWeaver::Thread::run (this=0x3a74f00) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fae70e75fcb in QThreadPrivate::start (arg=0x3a74f00) at thread/qthread_unix.cpp:298
#8  0x00007fae6527bb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fae68886e9a in start_thread (arg=0x7fae327ad700) at pthread_create.c:308
#10 0x00007fae73ddecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fae31fac700 (LWP 5406)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fae70e764db in wait (time=18446744073709551615, this=0x1c11f60) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1be3ce0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fae6ca210eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1cb85d0, th=0x3305690) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fae6ca239db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x3305690) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fae6ca2284f in ThreadWeaver::ThreadRunHelper::run (this=0x7fae31fabd20, parent=0x1cb85d0, th=0x3305690) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fae6ca228db in ThreadWeaver::Thread::run (this=0x3305690) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fae70e75fcb in QThreadPrivate::start (arg=0x3305690) at thread/qthread_unix.cpp:298
#8  0x00007fae6527bb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fae68886e9a in start_thread (arg=0x7fae31fac700) at pthread_create.c:308
#10 0x00007fae73ddecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fae317ab700 (LWP 5407)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fae70e764db in wait (time=18446744073709551615, this=0x1c11f60) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1be3ce0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fae6ca210eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1cb85d0, th=0x1d9aed0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fae6ca239db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x1d9aed0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fae6ca2284f in ThreadWeaver::ThreadRunHelper::run (this=0x7fae317aad20, parent=0x1cb85d0, th=0x1d9aed0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fae6ca228db in ThreadWeaver::Thread::run (this=0x1d9aed0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fae70e75fcb in QThreadPrivate::start (arg=0x1d9aed0) at thread/qthread_unix.cpp:298
#8  0x00007fae6527bb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fae68886e9a in start_thread (arg=0x7fae317ab700) at pthread_create.c:308
#10 0x00007fae73ddecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fae23fff700 (LWP 5408)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fae70e764db in wait (time=18446744073709551615, this=0x1c11f60) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1be3ce0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fae6ca210eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1cb85d0, th=0x2fd0d90) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fae6ca239db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x2fd0d90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fae6ca239f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x2fd0d90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fae6ca239f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x2fd0d90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007fae6ca2284f in ThreadWeaver::ThreadRunHelper::run (this=0x7fae23ffed20, parent=0x1cb85d0, th=0x2fd0d90) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007fae6ca228db in ThreadWeaver::Thread::run (this=0x2fd0d90) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007fae70e75fcb in QThreadPrivate::start (arg=0x2fd0d90) at thread/qthread_unix.cpp:298
#10 0x00007fae6527bb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007fae68886e9a in start_thread (arg=0x7fae23fff700) at pthread_create.c:308
#12 0x00007fae73ddecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fae237fe700 (LWP 5409)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fae70e764db in wait (time=18446744073709551615, this=0x1c11f60) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1be3ce0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fae6ca210eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1cb85d0, th=0x1ba4730) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fae6ca239db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x1ba4730) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fae6ca239f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x1ba4730) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fae6ca2284f in ThreadWeaver::ThreadRunHelper::run (this=0x7fae237fdd20, parent=0x1cb85d0, th=0x1ba4730) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007fae6ca228db in ThreadWeaver::Thread::run (this=0x1ba4730) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fae70e75fcb in QThreadPrivate::start (arg=0x1ba4730) at thread/qthread_unix.cpp:298
#9  0x00007fae6527bb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fae68886e9a in start_thread (arg=0x7fae237fe700) at pthread_create.c:308
#11 0x00007fae73ddecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fae22ffd700 (LWP 5410)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fae70e764db in wait (time=18446744073709551615, this=0x1c11f60) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1be3ce0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fae6ca210eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1cb85d0, th=0x15dfe00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fae6ca239db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1bf2eb0, th=0x15dfe00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fae6ca2284f in ThreadWeaver::ThreadRunHelper::run (this=0x7fae22ffcd20, parent=0x1cb85d0, th=0x15dfe00) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fae6ca228db in ThreadWeaver::Thread::run (this=0x15dfe00) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fae70e75fcb in QThreadPrivate::start (arg=0x15dfe00) at thread/qthread_unix.cpp:298
#8  0x00007fae6527bb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007fae68886e9a in start_thread (arg=0x7fae22ffd700) at pthread_create.c:308
#10 0x00007fae73ddecbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fae744f87c0 (LWP 2173)):
[KCrash Handler]
#6  0x0000000002b84400 in ?? ()
#7  0x00007fae568a354a in TaskItemLayout::size (this=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:173
#8  0x00007fae568a4032 in TaskItemLayout::gridLayoutSize (this=0x35b3cb0) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:256
#9  0x00007fae568a40cd in TaskItemLayout::layoutItems (this=0x35b3cb0) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:281
#10 0x00007fae568a4857 in TaskItemLayout::remove (this=0x35b3cb0, item=0x3345860) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:153
#11 0x00007fae568a488d in qt_static_metacall (_a=<optimized out>, _o=<optimized out>, _c=<optimized out>, _id=<optimized out>) at ./taskitemlayout.moc:50
#12 TaskItemLayout::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./taskitemlayout.moc:44
#13 0x00007fae70f89281 in QMetaObject::activate (sender=0x3345860, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffda1da330) at kernel/qobject.cpp:3547
#14 0x00007fae568a9812 in AbstractTaskItem::destroyed (this=<optimized out>, _t1=0x3345860) at ./abstracttaskitem.moc:169
#15 0x00007fae568a9b84 in AbstractTaskItem::~AbstractTaskItem (this=0x3345860, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:155
#16 0x00007fae5689e1e5 in ~WindowTaskItem (this=0x3345860, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.h:34
#17 WindowTaskItem::~WindowTaskItem (this=0x3345860, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.h:34
#18 0x00007fae708e8a36 in QGraphicsItem::~QGraphicsItem (this=0x3e88150, __in_chrg=<optimized out>) at graphicsview/qgraphicsitem.cpp:1493
#19 0x00007fae709384d9 in ~QGraphicsObject (this=0x3e88140, __in_chrg=<optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#20 QGraphicsWidget::~QGraphicsWidget (this=0x3e88140, __in_chrg=<optimized out>) at graphicsview/qgraphicswidget.cpp:232
#21 0x00007fae568acdf9 in TaskGroupItem::~TaskGroupItem (this=0x3e88140, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:87
#22 0x00007fae70f8e478 in QObject::event (this=0x3e88140, e=<optimized out>) at kernel/qobject.cpp:1176
#23 0x00007fae7093463b in QGraphicsWidget::event (this=0x3e88140, event=0x2f6cce0) at graphicsview/qgraphicswidget.cpp:1461
#24 0x00007fae702f7894 in notify_helper (e=0x2f6cce0, receiver=0x3e88140, this=0x11df420) at kernel/qapplication.cpp:4559
#25 QApplicationPrivate::notify_helper (this=0x11df420, receiver=0x3e88140, e=0x2f6cce0) at kernel/qapplication.cpp:4531
#26 0x00007fae702fc713 in QApplication::notify (this=0x118c4a0, receiver=0x3e88140, e=0x2f6cce0) at kernel/qapplication.cpp:4420
#27 0x00007fae71c573f6 in KApplication::notify (this=0x118c4a0, receiver=0x3e88140, event=0x2f6cce0) at ../../kdeui/kernel/kapplication.cpp:311
#28 0x00007fae70f74e9c in QCoreApplication::notifyInternal (this=0x118c4a0, receiver=0x3e88140, event=0x2f6cce0) at kernel/qcoreapplication.cpp:876
#29 0x00007fae70f78c6a in sendEvent (event=0x2f6cce0, receiver=0x3e88140) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#30 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x10e91f0) at kernel/qcoreapplication.cpp:1500
#31 0x00007fae70fa3f93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#32 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#33 0x00007fae67f81d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fae67f820a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fae67f82164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fae70fa43bf in QEventDispatcherGlib::processEvents (this=0x10eaad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#37 0x00007fae7039fd5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x00007fae70f73c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#39 0x00007fae70f73ed7 in QEventLoop::exec (this=0x7fffda1dade0, flags=...) at kernel/qeventloop.cpp:204
#40 0x00007fae70f78f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#41 0x00007fae740eba13 in kdemain (argc=1, argv=0x7fffda1db1c8) at ../../../../plasma/desktop/shell/main.cpp:120
#42 0x00007fae73d0c76d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffda1db1c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffda1db1b8) at libc-start.c:226
#43 0x0000000000400671 in _start ()

Possible duplicates by query: bug 317541, bug 313779, bug 309487, bug 309240, bug 300852.

Reported using DrKonqi
Comment 1 Jekyll Wu 2013-04-09 20:24:33 UTC 

*** This bug has been marked as a duplicate of bug 309420 ***
Comment 2 Jekyll Wu 2013-04-09 20:28:07 UTC 

*** This bug has been marked as a duplicate of bug 309240 ***