Application: plasma-desktop (4.11.18)
KDE Platform Version: 4.14.9
Qt Version: 4.8.6
Operating System: Linux 4.0.4-202.fc21.x86_64 x86_64
Distribution: "Fedora release 21 (Twenty One)"

-- Information about the crash:
- What I was doing when the application crashed:
I accidently long clicked on Thunderbird in the taskbar and on realising I dropped it's icon back and Plasma crashed.

- Unusual behavior I noticed:
Taskbar disappearing and reappearing as Plasma restarted.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f7c61a16900 (LWP 25653))]

Thread 18 (Thread 0x7f7c4aa07700 (LWP 25655)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e3159a49a in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x3e3189ff80) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x0000003e3159a4c9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003959e0752a in start_thread (arg=0x7f7c4aa07700) at pthread_create.c:310
#4  0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f7bc276f700 (LWP 25657)):
#0  0x0000003e29c5cfe0 in g_main_context_iteration@plt () from /lib64/libQtCore.so.4
#1  0x0000003e29db557e in QEventDispatcherGlib::processEvents (this=0x7f7bbc0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#2  0x0000003e29d84d81 in QEventLoop::processEvents (this=this@entry=0x7f7bc276ec80, flags=...) at kernel/qeventloop.cpp:149
#3  0x0000003e29d850e5 in QEventLoop::exec (this=this@entry=0x7f7bc276ec80, flags=...) at kernel/qeventloop.cpp:204
#4  0x0000003e29c79bb9 in QThread::exec (this=this@entry=0x30aee70) at thread/qthread.cpp:538
#5  0x0000003e29d656e3 in QInotifyFileSystemWatcherEngine::run (this=0x30aee70) at io/qfilesystemwatcher_inotify.cpp:265
#6  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x30aee70) at thread/qthread_unix.cpp:349
#7  0x0000003959e0752a in start_thread (arg=0x7f7bc276f700) at pthread_create.c:310
#8  0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f7bb301f700 (LWP 9238)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x4a5b080) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x4a5b080, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x4a5b080, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x4a5b080, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x4a5b080, previous=0x2881f20) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x4a5b080) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#9  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x4a5b080) at thread/qthread_unix.cpp:349
#10 0x0000003959e0752a in start_thread (arg=0x7f7bb301f700) at pthread_create.c:310
#11 0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f7bb1049700 (LWP 9239)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x39b3db0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x39b3db0, previous=0x4aa09c0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x39b3db0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#6  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x39b3db0) at thread/qthread_unix.cpp:349
#7  0x0000003959e0752a in start_thread (arg=0x7f7bb1049700) at pthread_create.c:310
#8  0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f7bb2034700 (LWP 9240)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x656c780) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x656c780, previous=0x7116a70) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x656c780) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#6  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x656c780) at thread/qthread_unix.cpp:349
#7  0x0000003959e0752a in start_thread (arg=0x7f7bb2034700) at pthread_create.c:310
#8  0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f7ba019f700 (LWP 9241)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x67e25e0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x67e25e0, previous=0x3c6f190) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x67e25e0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#6  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x67e25e0) at thread/qthread_unix.cpp:349
#7  0x0000003959e0752a in start_thread (arg=0x7f7ba019f700) at pthread_create.c:310
#8  0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f7b9f99e700 (LWP 9242)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x7519230) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x7519230, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x7519230, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x7519230, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x7519230, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x7519230, previous=0x6d72a30) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x7519230) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#10 0x0000003e29c7c41f in QThreadPrivate::start (arg=0x7519230) at thread/qthread_unix.cpp:349
#11 0x0000003959e0752a in start_thread (arg=0x7f7b9f99e700) at pthread_create.c:310
#12 0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f7b9e33f700 (LWP 9244)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x6c277b0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6c277b0, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6c277b0, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6c277b0, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6c277b0, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6c277b0, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x6c277b0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#10 0x0000003e29c7c41f in QThreadPrivate::start (arg=0x6c277b0) at thread/qthread_unix.cpp:349
#11 0x0000003959e0752a in start_thread (arg=0x7f7b9e33f700) at pthread_create.c:310
#12 0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f7b9db3e700 (LWP 9245)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x4b69500) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x4b69500, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x4b69500, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x4b69500, previous=0x75f6710) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x4b69500) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#8  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x4b69500) at thread/qthread_unix.cpp:349
#9  0x0000003959e0752a in start_thread (arg=0x7f7b9db3e700) at pthread_create.c:310
#10 0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f7b9d33d700 (LWP 9246)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x6a01740) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6a01740, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6a01740, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6a01740, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6a01740, previous=0x33e8bc0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x6a01740) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#9  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x6a01740) at thread/qthread_unix.cpp:349
#10 0x0000003959e0752a in start_thread (arg=0x7f7b9d33d700) at pthread_create.c:310
#11 0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f7b9cb3c700 (LWP 9247)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x6456360) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6456360, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6456360, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x6456360, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x6456360) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#8  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x6456360) at thread/qthread_unix.cpp:349
#9  0x0000003959e0752a in start_thread (arg=0x7f7b9cb3c700) at pthread_create.c:310
#10 0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f7b87fff700 (LWP 9248)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x3aa2230) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x3aa2230, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x3aa2230, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x3aa2230, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x3aa2230, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x3aa2230) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#9  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x3aa2230) at thread/qthread_unix.cpp:349
#10 0x0000003959e0752a in start_thread (arg=0x7f7b87fff700) at pthread_create.c:310
#11 0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f7b877fe700 (LWP 9496)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x718f680) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x718f680, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x718f680, previous=0x2dd46c0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x718f680) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#7  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x718f680) at thread/qthread_unix.cpp:349
#8  0x0000003959e0752a in start_thread (arg=0x7f7b877fe700) at pthread_create.c:310
#9  0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f7b86ffd700 (LWP 9497)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x43c2b50) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x43c2b50, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660d77c in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x43c2b50, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x43c2b50) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#7  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x43c2b50) at thread/qthread_unix.cpp:349
#8  0x0000003959e0752a in start_thread (arg=0x7f7b86ffd700) at pthread_create.c:310
#9  0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f7b867fc700 (LWP 9498)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x336d320) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x336d320, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x336d320) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#6  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x336d320) at thread/qthread_unix.cpp:349
#7  0x0000003959e0752a in start_thread (arg=0x7f7b867fc700) at pthread_create.c:310
#8  0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f7b85ffb700 (LWP 9499)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x42a0f30) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x42a0f30, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x42a0f30) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#6  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x42a0f30) at thread/qthread_unix.cpp:349
#7  0x0000003959e0752a in start_thread (arg=0x7f7b85ffb700) at pthread_create.c:310
#8  0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f7b857fa700 (LWP 9500)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003e29c7c976 in wait (time=18446744073709551615, this=0x327b0d0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x33d77a8, mutex=0x3275e80, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x0000003ed660a88c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x33d7780, th=0x2e78160) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x0000003ed660d763 in ThreadWeaver::WorkingHardState::applyForWork (this=0x3271600, th=0x2e78160, previous=0x0) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x0000003ed660c24f in ThreadWeaver::Thread::run (this=0x2e78160) at /usr/src/debug/kdelibs-4.14.9/threadweaver/Weaver/Thread.cpp:98
#6  0x0000003e29c7c41f in QThreadPrivate::start (arg=0x2e78160) at thread/qthread_unix.cpp:349
#7  0x0000003959e0752a in start_thread (arg=0x7f7b857fa700) at pthread_create.c:310
#8  0x0000003959b0022d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f7c61a16900 (LWP 25653)):
[KCrash Handler]
#6  QCoreApplication::postEvent (receiver=receiver@entry=0x2e44750, event=0x2dcdb00, priority=priority@entry=0) at kernel/qcoreapplication.cpp:1350
#7  0x0000003e29d89e17 in QCoreApplication::postEvent (receiver=receiver@entry=0x2e44750, event=<optimized out>) at kernel/qcoreapplication.cpp:1311
#8  0x0000003e29d98364 in QObject::deleteLater (this=this@entry=0x2e44750) at kernel/qobject.cpp:2115
#9  0x0000003acf451a32 in QX11Data::xdndHandleFinished (this=<optimized out>, xe=0x7fff1c7b8920, passive=<optimized out>) at kernel/qdnd_x11.cpp:1252
#10 0x0000003acf4369d3 in QApplication::x11ClientMessage (this=<optimized out>, w=0x304a4b0, event=<optimized out>, passive_only=<optimized out>) at kernel/qapplication_x11.cpp:3232
#11 0x0000003acf4433c1 in QApplication::x11ProcessEvent (this=0x24b05c0, event=event@entry=0x7fff1c7b8920) at kernel/qapplication_x11.cpp:3802
#12 0x0000003acf46aff4 in x11EventSourceDispatch (s=0x24c13d0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#13 0x000000395c2497fb in g_main_dispatch (context=0x24b6440) at gmain.c:3111
#14 g_main_context_dispatch (context=context@entry=0x24b6440) at gmain.c:3710
#15 0x000000395c249b98 in g_main_context_iterate (context=context@entry=0x24b6440, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3781
#16 0x000000395c249c4c in g_main_context_iteration (context=0x24b6440, may_block=1) at gmain.c:3842
#17 0x0000003e29db555e in QEventDispatcherGlib::processEvents (this=0x2443940, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#18 0x0000003acf46b176 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#19 0x0000003e29d84d81 in QEventLoop::processEvents (this=this@entry=0x7fff1c7b8d00, flags=...) at kernel/qeventloop.cpp:149
#20 0x0000003e29d850e5 in QEventLoop::exec (this=this@entry=0x7fff1c7b8d00, flags=...) at kernel/qeventloop.cpp:204
#21 0x0000003e29d8a7c9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#22 0x0000003acf3c639c in QApplication::exec () at kernel/qapplication.cpp:3823
#23 0x00007f7c680185dd in kdemain (argc=1, argv=0x7fff1c7b8f58) at /usr/src/debug/kde-workspace-4.11.18/plasma/desktop/shell/main.cpp:126
#24 0x0000003959a1ffe0 in __libc_start_main (main=0x400910 <main(int, char**)>, argc=1, argv=0x7fff1c7b8f58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff1c7b8f48) at libc-start.c:289
#25 0x000000000040093e in _start ()

Reported using DrKonqi