Bug 390739

Summary: KDE problem maybe caused by Firefox
Product: [I don't know] kde Reporter: Bo Milvang-Jensen <milvang>
Component: generalAssignee: Unassigned bugs <unassigned-bugs-null>
Status: RESOLVED UNMAINTAINED    
Severity: crash CC: nate
Priority: NOR Keywords: drkonqi
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: unspecified   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Bo Milvang-Jensen 2018-02-19 15:41:48 UTC 
Application: plasma-desktop (4.11.14)
KDE Platform Version: 4.14.13
Qt Version: 4.8.6
Operating System: Linux 3.13.0-137-generic x86_64
Distribution: Ubuntu 14.04.5 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I was restaring Firefox (with maybe 40 windows, and suddenly the KDE "iconbar" at the bottom of the screen disappared, and then came back after some minutes

-- 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 0x7f91840ff800 (LWP 2962))]

Thread 20 (Thread 0x7f9158f69700 (LWP 2964)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f917cdb4ffb in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f917cdb5039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f917792d184 in start_thread (arg=0x7f9158f69700) at pthread_create.c:312
#4  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#5  0x0000000000000000 in ?? ()

Thread 19 (Thread 0x7f90cec7f700 (LWP 2965)):
#0  0x00007f91779307de in __pthread_mutex_unlock_usercnt (decr=1, mutex=0x7f90c8000a80) at pthread_mutex_unlock.c:57
#1  __GI___pthread_mutex_unlock (mutex=0x7f90c8000a80) at pthread_mutex_unlock.c:310
#2  0x00007f917725d9b1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f917721b680 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f917721bf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f917721c0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f91805ca7be in QEventDispatcherGlib::processEvents (this=0x7f90c80008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0x00007f918059c0af in QEventLoop::processEvents (this=this@entry=0x7f90cec7eda0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f918059c3a5 in QEventLoop::exec (this=this@entry=0x7f90cec7eda0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f9180498c5f in QThread::exec (this=this@entry=0x17287f0) at thread/qthread.cpp:537
#10 0x00007f918057d823 in QInotifyFileSystemWatcherEngine::run (this=0x17287f0) at io/qfilesystemwatcher_inotify.cpp:265
#11 0x00007f918049b32f in QThreadPrivate::start (arg=0x17287f0) at thread/qthread_unix.cpp:349
#12 0x00007f917792d184 in start_thread (arg=0x7f90cec7f700) at pthread_create.c:312
#13 0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#14 0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7f90cd7e5700 (LWP 2966)):
#0  0x00007f917725d610 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f917725d9a9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f917721b680 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f917721bf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f917721c0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f91805ca7be in QEventDispatcherGlib::processEvents (this=0x7f90c00008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f918059c0af in QEventLoop::processEvents (this=this@entry=0x7f90cd7e4da0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f918059c3a5 in QEventLoop::exec (this=this@entry=0x7f90cd7e4da0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f9180498c5f in QThread::exec (this=this@entry=0x189de30) at thread/qthread.cpp:537
#9  0x00007f918057d823 in QInotifyFileSystemWatcherEngine::run (this=0x189de30) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f918049b32f in QThreadPrivate::start (arg=0x189de30) at thread/qthread_unix.cpp:349
#11 0x00007f917792d184 in start_thread (arg=0x7f90cd7e5700) at pthread_create.c:312
#12 0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#13 0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7f90bef34700 (LWP 9440)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x9463370) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x9463370, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x9463370, previous=0x828b860) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x9463370) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f918049b32f in QThreadPrivate::start (arg=0x9463370) at thread/qthread_unix.cpp:349
#8  0x00007f917792d184 in start_thread (arg=0x7f90bef34700) at pthread_create.c:312
#9  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#10 0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7f90bd731700 (LWP 9441)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x8203540) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x8203540, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x8203540, previous=0x9db1920) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x8203540) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f918049b32f in QThreadPrivate::start (arg=0x8203540) at thread/qthread_unix.cpp:349
#8  0x00007f917792d184 in start_thread (arg=0x7f90bd731700) at pthread_create.c:312
#9  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#10 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7f90bdf32700 (LWP 9442)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x9667470) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x9667470, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x9667470, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x9667470, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x9667470, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x9667470, previous=0xa290d20) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x9667470) at ../../../threadweaver/Weaver/Thread.cpp:98
#10 0x00007f918049b32f in QThreadPrivate::start (arg=0x9667470) at thread/qthread_unix.cpp:349
#11 0x00007f917792d184 in start_thread (arg=0x7f90bdf32700) at pthread_create.c:312
#12 0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#13 0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7f90b2785700 (LWP 9443)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x1501d40) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x1501d40, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x1501d40, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x1501d40, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x1501d40, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x1501d40, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x1501d40, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#10 0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x1501d40) at ../../../threadweaver/Weaver/Thread.cpp:98
#11 0x00007f918049b32f in QThreadPrivate::start (arg=0x1501d40) at thread/qthread_unix.cpp:349
#12 0x00007f917792d184 in start_thread (arg=0x7f90b2785700) at pthread_create.c:312
#13 0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#14 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7f9092129700 (LWP 9444)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x1d8a840) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x1d8a840, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x1d8a840, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x1d8a840, previous=0x1f49c20) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x1d8a840) at ../../../threadweaver/Weaver/Thread.cpp:98
#8  0x00007f918049b32f in QThreadPrivate::start (arg=0x1d8a840) at thread/qthread_unix.cpp:349
#9  0x00007f917792d184 in start_thread (arg=0x7f9092129700) at pthread_create.c:312
#10 0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#11 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f9090aed700 (LWP 9446)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x149f7a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x149f7a0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x149f7a0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x149f7a0, previous=0x257fdb0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x149f7a0) at ../../../threadweaver/Weaver/Thread.cpp:98
#8  0x00007f918049b32f in QThreadPrivate::start (arg=0x149f7a0) at thread/qthread_unix.cpp:349
#9  0x00007f917792d184 in start_thread (arg=0x7f9090aed700) at pthread_create.c:312
#10 0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#11 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f908bfff700 (LWP 9447)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x1362f70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x1362f70, previous=0xa428a80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x1362f70) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f918049b32f in QThreadPrivate::start (arg=0x1362f70) at thread/qthread_unix.cpp:349
#7  0x00007f917792d184 in start_thread (arg=0x7f908bfff700) at pthread_create.c:312
#8  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#9  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f908b7fe700 (LWP 9448)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0xa1666c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0xa1666c0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0xa1666c0, previous=0x8b267f0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0xa1666c0) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f918049b32f in QThreadPrivate::start (arg=0xa1666c0) at thread/qthread_unix.cpp:349
#8  0x00007f917792d184 in start_thread (arg=0x7f908b7fe700) at pthread_create.c:312
#9  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#10 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f908a058700 (LWP 9449)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x8c3a710) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x8c3a710, previous=0x9d55230) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x8c3a710) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f918049b32f in QThreadPrivate::start (arg=0x8c3a710) at thread/qthread_unix.cpp:349
#7  0x00007f917792d184 in start_thread (arg=0x7f908a058700) at pthread_create.c:312
#8  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#9  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f9089857700 (LWP 9450)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x9592980) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x9592980, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x9592980, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x9592980, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x9592980) at ../../../threadweaver/Weaver/Thread.cpp:98
#8  0x00007f918049b32f in QThreadPrivate::start (arg=0x9592980) at thread/qthread_unix.cpp:349
#9  0x00007f917792d184 in start_thread (arg=0x7f9089857700) at pthread_create.c:312
#10 0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#11 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f9089056700 (LWP 9451)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x84868e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x84868e0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x84868e0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x84868e0) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f918049b32f in QThreadPrivate::start (arg=0x84868e0) at thread/qthread_unix.cpp:349
#8  0x00007f917792d184 in start_thread (arg=0x7f9089056700) at pthread_create.c:312
#9  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#10 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f9088855700 (LWP 9452)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x266f8f0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x266f8f0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x266f8f0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x266f8f0) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f918049b32f in QThreadPrivate::start (arg=0x266f8f0) at thread/qthread_unix.cpp:349
#8  0x00007f917792d184 in start_thread (arg=0x7f9088855700) at pthread_create.c:312
#9  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f907bfff700 (LWP 9453)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x7e3fac0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x7e3fac0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x7e3fac0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x7e3fac0) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f918049b32f in QThreadPrivate::start (arg=0x7e3fac0) at thread/qthread_unix.cpp:349
#8  0x00007f917792d184 in start_thread (arg=0x7f907bfff700) at pthread_create.c:312
#9  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f907b7fe700 (LWP 9454)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x7e7c820) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x7e7c820, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c03091c in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x7e7c820, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x7e7c820) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f918049b32f in QThreadPrivate::start (arg=0x7e7c820) at thread/qthread_unix.cpp:349
#8  0x00007f917792d184 in start_thread (arg=0x7f907b7fe700) at pthread_create.c:312
#9  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f907affd700 (LWP 9455)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x89bf6d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x89bf6d0, previous=0x9d37840) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x89bf6d0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f918049b32f in QThreadPrivate::start (arg=0x89bf6d0) at thread/qthread_unix.cpp:349
#7  0x00007f917792d184 in start_thread (arg=0x7f907affd700) at pthread_create.c:312
#8  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#9  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f907a7fc700 (LWP 9459)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f918049b816 in wait (time=18446744073709551615, this=0x17c4660) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x18d2ac8, mutex=0x1758970, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f917c02de6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x18d2aa0, th=0x85a5dd0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f917c030903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x177af90, th=0x85a5dd0, previous=0x941fe20) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f917c02f61f in ThreadWeaver::Thread::run (this=0x85a5dd0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f918049b32f in QThreadPrivate::start (arg=0x85a5dd0) at thread/qthread_unix.cpp:349
#7  0x00007f917792d184 in start_thread (arg=0x7f907a7fc700) at pthread_create.c:312
#8  0x00007f91839f3ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:74
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f91840ff800 (LWP 2962)):
[KCrash Handler]
#6  size (this=0xf2e66ffffff6ae9) at ../../include/QtCore/../../src/corelib/tools/qlist.h:98
#7  size (this=0xf2e66ffffff6ae9) at ../../include/QtCore/../../src/corelib/tools/qlist.h:137
#8  QObjectPrivate::_q_reregisterTimers (this=0x9ddb160, pointer=0xf2e66ffffff6ae9) at kernel/qobject.cpp:1525
#9  0x00007f91805b6b2a in QObject::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/release-shared/moc_qobject.cpp:73
#10 0x00007f91805b6c3d in QObject::qt_metacall (this=<optimized out>, _c=<optimized out>, _id=3, _a=<optimized out>) at .moc/release-shared/moc_qobject.cpp:111
#11 0x00007f917ce27155 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#12 0x00007f91805b1a78 in QMetaObject::activate (sender=0xad8b4e0, m=<optimized out>, local_signal_index=<optimized out>, argv=argv@entry=0x0) at kernel/qobject.cpp:3569
#13 0x00007f91805b2223 in QMetaObject::activate (sender=<optimized out>, signal_index=<optimized out>, argv=argv@entry=0x0) at kernel/qobject.cpp:3626
#14 0x00007f91821e907e in QDeclarativeVMEMetaObject::metaCall (this=0x8652ab0, c=QMetaObject::WriteProperty, _id=<optimized out>, a=0x7ffeec1027f0) at qml/qdeclarativevmemetaobject.cpp:564
#15 0x00007f9182204c37 in QDeclarativePropertyPrivate::write (object=0xad8b4e0, property=..., value=..., context=<optimized out>, flags=...) at qml/qdeclarativeproperty.cpp:1152
#16 0x00007f918220545c in QDeclarativePropertyPrivate::writeValueProperty (this=0x9f386e0, value=..., flags=...) at qml/qdeclarativeproperty.cpp:1088
#17 0x00007f9182205512 in QDeclarativePropertyPrivate::write (that=..., value=..., flags=...) at qml/qdeclarativeproperty.cpp:1343
#18 0x00007f91821ff277 in QDeclarativeBinding::update (this=0xa876490, flags=...) at qml/qdeclarativebinding.cpp:427
#19 0x00007f91821fe0db in update (this=<optimized out>) at ../../include/QtDeclarative/private/../../../src/declarative/qml/qdeclarativebinding_p.h:208
#20 QDeclarativeBindingPrivate::emitValueChanged (this=<optimized out>) at qml/qdeclarativebinding.cpp:469
#21 0x00007f91821fde63 in QDeclarativeExpression::qt_metacall (this=this@entry=0xa876490, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7ffeec102be0) at .moc/release-shared/moc_qdeclarativeexpression.cpp:93
#22 0x00007f91822f4fd0 in QDeclarativeBinding::qt_metacall (this=0xa876490, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=<optimized out>) at .moc/release-shared/moc_qdeclarativebinding_p.cpp:85
#23 0x00007f91805b1a78 in QMetaObject::activate (sender=0x9ac4a40, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3569
#24 0x00007f9182192334 in QDeclarativeItem::setImplicitWidth (this=this@entry=0x9ac4a40, w=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:3469
#25 0x00007f915a1488ae in TextLabel::updateImplicitSize (this=0x9ac4a40) at ../../../../../plasma/desktop/applets/tasks/support/textlabel.cpp:95
#26 0x00007f915a148c19 in TextLabel::setText (this=this@entry=0x9ac4a40, text=...) at ../../../../../plasma/desktop/applets/tasks/support/textlabel.cpp:69
#27 0x00007f915a142398 in TextLabel::qt_metacall (this=0x9ac4a40, _c=QMetaObject::WriteProperty, _id=1, _a=0x7ffeec102e80) at moc_textlabel.cpp:109
#28 0x00007f9182204c37 in QDeclarativePropertyPrivate::write (object=0x9ac4a40, property=..., value=..., context=<optimized out>, flags=...) at qml/qdeclarativeproperty.cpp:1152
#29 0x00007f918220545c in QDeclarativePropertyPrivate::writeValueProperty (this=0x7d2a0a0, value=..., flags=...) at qml/qdeclarativeproperty.cpp:1088
#30 0x00007f9182205512 in QDeclarativePropertyPrivate::write (that=..., value=..., flags=...) at qml/qdeclarativeproperty.cpp:1343
#31 0x00007f91821ff277 in QDeclarativeBinding::update (this=0x8c728d0, flags=...) at qml/qdeclarativebinding.cpp:427
#32 0x00007f91821fe0db in update (this=<optimized out>) at ../../include/QtDeclarative/private/../../../src/declarative/qml/qdeclarativebinding_p.h:208
#33 QDeclarativeBindingPrivate::emitValueChanged (this=<optimized out>) at qml/qdeclarativebinding.cpp:469
#34 0x00007f91821fde63 in QDeclarativeExpression::qt_metacall (this=this@entry=0x8c728d0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7ffeec103270) at .moc/release-shared/moc_qdeclarativeexpression.cpp:93
#35 0x00007f91822f4fd0 in QDeclarativeBinding::qt_metacall (this=0x8c728d0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=<optimized out>) at .moc/release-shared/moc_qdeclarativebinding_p.cpp:85
#36 0x00007f91805b1a78 in QMetaObject::activate (sender=0x9afb210, m=<optimized out>, local_signal_index=<optimized out>, argv=argv@entry=0x0) at kernel/qobject.cpp:3569
#37 0x00007f91805b2223 in QMetaObject::activate (sender=<optimized out>, signal_index=<optimized out>, argv=argv@entry=0x0) at kernel/qobject.cpp:3626
#38 0x00007f918213b4c1 in QDeclarativeOpenMetaObject::setValue (this=0xa17d2e0, id=id@entry=4, value=...) at util/qdeclarativeopenmetaobject.cpp:261
#39 0x00007f91821c66f2 in setValue (val=..., id=4, this=0x9afb210) at graphicsitems/qdeclarativevisualitemmodel.cpp:469
#40 QDeclarativeVisualDataModel::_q_itemsChanged (this=0x1157040, index=0, count=44, roles=...) at graphicsitems/qdeclarativevisualitemmodel.cpp:1226
#41 0x00007f91822f17ed in QDeclarativeVisualDataModel::qt_static_metacall (_o=0x9ddb160, _c=4294929129, _id=3, _a=0x7ffeec1025f0) at .moc/release-shared/moc_qdeclarativevisualitemmodel_p.cpp:406
#42 0x00007f91805b187a in QMetaObject::activate (sender=sender@entry=0x10576c0, m=m@entry=0x7f91809016a0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#43 0x00007f91805fb5a3 in QAbstractItemModel::layoutChanged (this=this@entry=0x10576c0) at .moc/release-shared/moc_qabstractitemmodel.cpp:176
#44 0x00007f9180596a89 in QAbstractItemModel::endMoveRows (this=0x10576c0) at kernel/qabstractitemmodel.cpp:2673
#45 0x00007f915a5b6cac in itemMoved (item=<optimized out>, this=<optimized out>) at ../../../libs/taskmanager/tasksmodel.cpp:524
#46 TaskManager::TasksModel::qt_static_metacall (_o=0x9ddb160, _id=-38167, _a=0x7ffeec103810, _c=<optimized out>) at ./tasksmodel.moc:135
#47 0x00007f91805b187a in QMetaObject::activate (sender=sender@entry=0x1057b90, m=m@entry=0x7f915a7d31e0 <TaskManager::TaskGroup::staticMetaObject>, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x7ffeec103810) at kernel/qobject.cpp:3539
#48 0x00007f915a5a9a62 in TaskManager::TaskGroup::itemPositionChanged (this=this@entry=0x1057b90, _t1=_t1@entry=0x8cd28d0) at ./taskgroup.moc:220
#49 0x00007f915a5ac659 in TaskManager::TaskGroup::moveItem (this=0x1057b90, oldIndex=oldIndex@entry=20, newIndex=newIndex@entry=10) at ../../../libs/taskmanager/taskgroup.cpp:707
#50 0x00007f915a58cc9a in TaskManager::AbstractSortingStrategy::check (this=<optimized out>, itemToCheck=<optimized out>) at ../../../libs/taskmanager/abstractsortingstrategy.cpp:148
#51 0x00007f915a58f7ee in TaskManager::GroupManagerPrivate::addTask (this=this@entry=0x10567f0, task=task@entry=0x9d744c0) at ../../../libs/taskmanager/groupmanager.cpp:360
#52 0x00007f915a590141 in TaskManager::GroupManagerPrivate::taskChanged (this=0x10567f0, task=0x9d744c0, changes=...) at ../../../libs/taskmanager/groupmanager.cpp:589
#53 0x00007f915a593642 in TaskManager::GroupManager::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at ./groupmanager.moc:86
#54 0x00007f91805b187a in QMetaObject::activate (sender=sender@entry=0x1056530, m=m@entry=0x7f915a7d34c0 <TaskManager::TaskManager::staticMetaObject>, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x7ffeec103ad0) at kernel/qobject.cpp:3539
#55 0x00007f915a5b2097 in TaskManager::TaskManager::windowChanged (this=this@entry=0x1056530, _t1=0x9d744c0, _t2=...) at ./taskmanager.moc:228
#56 0x00007f915a5b222b in TaskManager::TaskManager::taskChanged (this=0x1056530, changes=...) at ../../../libs/taskmanager/taskmanager.cpp:387
#57 0x00007f915a5b42d1 in TaskManager::TaskManager::qt_static_metacall (_o=0x9ddb160, _id=-38167, _a=0x3, _c=<optimized out>) at ./taskmanager.moc:110
#58 0x00007f91805b187a in QMetaObject::activate (sender=sender@entry=0x9d744c0, m=m@entry=0x7f915a7d1060 <TaskManager::Task::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffeec103cb0) at kernel/qobject.cpp:3539
#59 0x00007f915a5a17f2 in TaskManager::Task::changed (this=this@entry=0x9d744c0, _t1=...) at ./task.moc:238
#60 0x00007f915a5a18ac in TaskManager::Task::setActive (this=this@entry=0x9d744c0, a=a@entry=true) at ../../../libs/taskmanager/task.cpp:179
#61 0x00007f915a5b269c in TaskManager::TaskManager::activeWindowChanged (this=0x1056530, w=<optimized out>) at ../../../libs/taskmanager/taskmanager.cpp:414
#62 0x00007f915a5b425c in TaskManager::TaskManager::qt_static_metacall (_o=0x9ddb160, _id=-38167, _a=0x3, _c=<optimized out>) at ./taskmanager.moc:105
#63 0x00007f91805b187a in QMetaObject::activate (sender=sender@entry=0x9857e0, m=m@entry=0x7f91816772a0 <KWindowSystem::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffeec103e90) at kernel/qobject.cpp:3539
#64 0x00007f918137dac2 in KWindowSystem::activeWindowChanged (this=this@entry=0x9857e0, _t1=85983389) at ./kwindowsystem.moc:156
#65 0x00007f918137ed48 in KWindowSystemPrivate::x11Event (this=0x9a7e30, ev=0x7ffeec103fc0) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:197
#66 0x00007f9181283928 in publicX11Event (e=0x7ffeec103fc0, this=<optimized out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#67 KSystemEventFilterPrivate::filterEvent (this=0x8a63b0, message=0x7ffeec103fc0) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#68 0x00007f918058f35e in QAbstractEventDispatcher::filterEvent (this=0x9ddb160, message=0xf2e66ffffff6ae9, message@entry=0x7ffeec103fc0) at kernel/qabstracteventdispatcher.cpp:542
#69 0x00007f917f9d8a60 in x11EventSourceDispatch (s=0x86eb30, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#70 0x00007f917721be04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#71 0x00007f917721c048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#72 0x00007f917721c0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#73 0x00007f91805ca7a1 in QEventDispatcherGlib::processEvents (this=0x7f8700, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#74 0x00007f917f9d8be6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#75 0x00007f918059c0af in QEventLoop::processEvents (this=this@entry=0x7ffeec104390, flags=...) at kernel/qeventloop.cpp:149
#76 0x00007f918059c3a5 in QEventLoop::exec (this=this@entry=0x7ffeec104390, flags=...) at kernel/qeventloop.cpp:204
#77 0x00007f91805a1b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#78 0x00007f917f93537c in QApplication::exec () at kernel/qapplication.cpp:3828
#79 0x00007f9183cfb624 in kdemain (argc=1, argv=0x7ffeec1045e8) at ../../../../plasma/desktop/shell/main.cpp:126
#80 0x00007f9183917f45 in __libc_start_main (main=0x4006f0 <main(int, char**)>, argc=1, argv=0x7ffeec1045e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffeec1045d8) at libc-start.c:287
#81 0x000000000040071e in _start ()

Reported using DrKonqi
Comment 1 Nate Graham 2018-02-19 16:10:41 UTC 
KDE Plasma 4 has been unsupported since October of 2015, and I'm afraid we cannot offer support for it.