Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-28-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
I clicked on the plasma icon, started to type in the name of the application I wanted to launch, Plasma crashed.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f84a1b008c0 (LWP 4216))]

Thread 16 (Thread 0x7f83aeffd700 (LWP 4257)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f849c909aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x42ab980) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3c21870, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f83e97fe50b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x428ab20, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f83e97ff2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x428ab20, th=th@entry=0x7f83b8002d90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f83e98034e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x7f83b8002d90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f83b8002d90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f83e9803542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x7f83b8002d90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f83b8002d90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f83e9803542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x7f83b8002d90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#10 0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f83b8002d90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#11 0x00007f83e9801353 in ThreadWeaver::Thread::run (this=0x7f83b8002d90) at ../../src/thread.cpp:103
#12 0x00007f849c90884e in QThreadPrivate::start (arg=0x7f83b8002d90) at thread/qthread_unix.cpp:331
#13 0x00007f849b9f56fa in start_thread (arg=0x7f83aeffd700) at pthread_create.c:333
#14 0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f83af7fe700 (LWP 4256)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f849c909aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x42ab980) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3c21870, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f83e97fe50b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x428ab20, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f83e97ff2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x428ab20, th=th@entry=0xb35b60, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f83e98034e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0xb35b60, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0xb35b60, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f83e9803542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0xb35b60, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0xb35b60, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f83e9801353 in ThreadWeaver::Thread::run (this=0xb35b60) at ../../src/thread.cpp:103
#10 0x00007f849c90884e in QThreadPrivate::start (arg=0xb35b60) at thread/qthread_unix.cpp:331
#11 0x00007f849b9f56fa in start_thread (arg=0x7f83af7fe700) at pthread_create.c:333
#12 0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f83affff700 (LWP 4255)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f849c909aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x42ab980) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3c21870, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f83e97fe50b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x428ab20, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f83e97ff2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x428ab20, th=th@entry=0x7f83bc003190, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f83e98034e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x7f83bc003190, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f83bc003190, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f83e9803542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x7f83bc003190, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f83bc003190, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f83e9801353 in ThreadWeaver::Thread::run (this=0x7f83bc003190) at ../../src/thread.cpp:103
#10 0x00007f849c90884e in QThreadPrivate::start (arg=0x7f83bc003190) at thread/qthread_unix.cpp:331
#11 0x00007f849b9f56fa in start_thread (arg=0x7f83affff700) at pthread_create.c:333
#12 0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f83c4f9c700 (LWP 4254)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f849c909aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x42ab980) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3c21870, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f83e97fe50b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x428ab20, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f83e97ff2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x428ab20, th=th@entry=0x7f83b0002f90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f83e98034e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x7f83b0002f90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f83b0002f90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f83e9803542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x7f83b0002f90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f83b0002f90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f83e9801353 in ThreadWeaver::Thread::run (this=0x7f83b0002f90) at ../../src/thread.cpp:103
#10 0x00007f849c90884e in QThreadPrivate::start (arg=0x7f83b0002f90) at thread/qthread_unix.cpp:331
#11 0x00007f849b9f56fa in start_thread (arg=0x7f83c4f9c700) at pthread_create.c:333
#12 0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f83c579d700 (LWP 4253)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f849c909aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x42ab980) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3c21870, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f83e97fe50b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x428ab20, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f83e97ff2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x428ab20, th=th@entry=0x42e2550, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f83e98034e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x42e2550, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x42e2550, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f83e9803542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x42e2550, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x42e2550, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f83e9801353 in ThreadWeaver::Thread::run (this=0x42e2550) at ../../src/thread.cpp:103
#10 0x00007f849c90884e in QThreadPrivate::start (arg=0x42e2550) at thread/qthread_unix.cpp:331
#11 0x00007f849b9f56fa in start_thread (arg=0x7f83c579d700) at pthread_create.c:333
#12 0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f83c5f9e700 (LWP 4252)):
[KCrash Handler]
#6  mdb_txn_begin (env=0x0, parent=0x0, flags=131072, ret=0x7f83c5f9d908) at mdb.c:2773
#7  0x00007f83ccb6cbbe in Baloo::SearchStore::exec (this=this@entry=0x7f83c5f9d9f0, term=..., offset=0, limit=10, sortResults=<optimized out>) at ../../../src/lib/searchstore.cpp:74
#8  0x00007f83ccb5bbc2 in Baloo::Query::exec (this=this@entry=0x7f83c5f9daa0) at ../../../src/lib/query.cpp:210
#9  0x00007f83ccd7cf2f in SearchRunner::match (this=this@entry=0x42e5900, context=..., type=..., category=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/runners/baloo/baloosearchrunner.cpp:98
#10 0x00007f83ccd7d879 in SearchRunner::match (this=0x42e5900, context=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/runners/baloo/baloosearchrunner.cpp:160
#11 0x00007f83ea092540 in Plasma::AbstractRunner::performMatch (this=0x42e5900, localContext=...) at ../../src/abstractrunner.cpp:131
#12 0x00007f83e9802c90 in ThreadWeaver::Executor::run (this=<optimized out>, job=..., thread=<optimized out>) at ../../src/executor.cpp:52
#13 0x00007f83e98017e0 in ThreadWeaver::Job::execute (this=<optimized out>, self=..., th=0x7f83c0002d90) at ../../src/job.cpp:83
#14 0x00007f83e980128a in ThreadWeaver::Thread::run (this=0x7f83c0002d90) at ../../src/thread.cpp:114
#15 0x00007f849c90884e in QThreadPrivate::start (arg=0x7f83c0002d90) at thread/qthread_unix.cpp:331
#16 0x00007f849b9f56fa in start_thread (arg=0x7f83c5f9e700) at pthread_create.c:333
#17 0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f83c679f700 (LWP 4251)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f849c909aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x42ab980) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3c21870, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f83e97fe50b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x428ab20, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f83e97ff2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x428ab20, th=th@entry=0x42e2820, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f83e98034e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x42e2820, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x42e2820, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f83e9803542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x42e2820, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x42e2820, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f83e9801353 in ThreadWeaver::Thread::run (this=0x42e2820) at ../../src/thread.cpp:103
#10 0x00007f849c90884e in QThreadPrivate::start (arg=0x42e2820) at thread/qthread_unix.cpp:331
#11 0x00007f849b9f56fa in start_thread (arg=0x7f83c679f700) at pthread_create.c:333
#12 0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f83c6fa0700 (LWP 4250)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f849c909aeb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x42ab980) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3c21870, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f83e97fe50b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x428ab20, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f83e97ff2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x428ab20, th=th@entry=0x42e26d0, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f83e98034e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x42e26d0, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x42e26d0, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f83e9803542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x4372a80, th=0x42e26d0, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f83e97fe46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x42e26d0, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f83e9801353 in ThreadWeaver::Thread::run (this=0x42e26d0) at ../../src/thread.cpp:103
#10 0x00007f849c90884e in QThreadPrivate::start (arg=0x42e26d0) at thread/qthread_unix.cpp:331
#11 0x00007f849b9f56fa in start_thread (arg=0x7f83c6fa0700) at pthread_create.c:333
#12 0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f83dc794700 (LWP 4230)):
#0  0x00007f8498fecae4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8498fa7920 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8498fa82cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8498fa84ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f849cb3fa9b in QEventDispatcherGlib::processEvents (this=0x7f83d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f849cae6dea in QEventLoop::exec (this=this@entry=0x7f83dc793cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f849c9038a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f83dec737d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007f849c90884e in QThreadPrivate::start (arg=0x3658870) at thread/qthread_unix.cpp:331
#9  0x00007f849b9f56fa in start_thread (arg=0x7f83dc794700) at pthread_create.c:333
#10 0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f83ebfff700 (LWP 4225)):
#0  0x00007f8498fecac9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8498fa7939 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8498fa82cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8498fa84ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f849cb3fa9b in QEventDispatcherGlib::processEvents (this=0x7f83e40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f849cae6dea in QEventLoop::exec (this=this@entry=0x7f83ebffec90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f849c9038a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f849fb31ed6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f849c90884e in QThreadPrivate::start (arg=0x13882a0) at thread/qthread_unix.cpp:331
#9  0x00007f849b9f56fa in start_thread (arg=0x7f83ebfff700) at pthread_create.c:333
#10 0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f84735f7700 (LWP 4224)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f84a1550bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f84a1550c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f849b9f56fa in start_thread (arg=0x7f84735f7700) at pthread_create.c:333
#4  0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f8478f87700 (LWP 4223)):
#0  0x00007f8498fecac9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8498fa7474 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8498fa8356 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8498fa84ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f849cb3fa9b in QEventDispatcherGlib::processEvents (this=0x7f846c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f849cae6dea in QEventLoop::exec (this=this@entry=0x7f8478f86ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f849c9038a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f849f1ab3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f849c90884e in QThreadPrivate::start (arg=0x10628c0) at thread/qthread_unix.cpp:331
#9  0x00007f849b9f56fa in start_thread (arg=0x7f8478f87700) at pthread_create.c:333
#10 0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f847ae68700 (LWP 4222)):
#0  0x00007f8498fecae4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8498fa824d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8498fa84ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f849cb3fa9b in QEventDispatcherGlib::processEvents (this=0x7f84740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f849cae6dea in QEventLoop::exec (this=this@entry=0x7f847ae67ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f849c9038a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f849f1ab3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f849c90884e in QThreadPrivate::start (arg=0xf0c510) at thread/qthread_unix.cpp:331
#8  0x00007f849b9f56fa in start_thread (arg=0x7f847ae68700) at pthread_create.c:333
#9  0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f8486406700 (LWP 4221)):
#0  0x00007f8498fa7971 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8498fa82cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8498fa84ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f849cb3fa9b in QEventDispatcherGlib::processEvents (this=0x7f84800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f849cae6dea in QEventLoop::exec (this=this@entry=0x7f8486405ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f849c9038a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f849f1ab3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f849c90884e in QThreadPrivate::start (arg=0xbe7ce0) at thread/qthread_unix.cpp:331
#8  0x00007f849b9f56fa in start_thread (arg=0x7f8486406700) at pthread_create.c:333
#9  0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f848cca0700 (LWP 4219)):
#0  0x00007f849c212e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f84a02d7c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f84a02d98d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f848edee629 in QXcbEventReader::run (this=0xb17830) at qxcbconnection.cpp:1253
#4  0x00007f849c90884e in QThreadPrivate::start (arg=0xb17830) at thread/qthread_unix.cpp:331
#5  0x00007f849b9f56fa in start_thread (arg=0x7f848cca0700) at pthread_create.c:333
#6  0x00007f849c21eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f84a1b008c0 (LWP 4216)):
#0  0x00007f849c212e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f8498d3b39f in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#2  0x00007f8498d3a00e in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#3  0x00007f8498d22c64 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#4  0x00007f8498d2375c in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#5  0x00007f8498d23c1a in dbus_connection_send_with_reply_and_block () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#6  0x00007f84a1c4d3a0 in q_dbus_connection_send_with_reply_and_block (error=<optimized out>, timeout_milliseconds=2147483647, message=0x34405a0, connection=<optimized out>) at qdbus_symbols_p.h:208
#7  QDBusConnectionPrivate::sendWithReply (this=0xb4dac0, message=..., sendMode=<optimized out>, timeout=2147483647) at qdbusintegrator.cpp:2044
#8  0x00007f84a1c3a88b in QDBusConnection::call (this=0x7ffd31401470, message=..., mode=<optimized out>, timeout=<optimized out>) at qdbusconnection.cpp:564
#9  0x00007f849e7d57dd in KToolInvocation::startServiceInternal(char const*, QString const&, QStringList const&, QString*, QString*, int*, QByteArray const&, bool, QString const&) () from /usr/lib/x86_64-linux-gnu/libKF5Service.so.5
#10 0x00007f849e7d61dc in KToolInvocation::startServiceByDesktopPath(QString const&, QStringList const&, QString*, QString*, int*, QByteArray const&, bool) () from /usr/lib/x86_64-linux-gnu/libKF5Service.so.5
#11 0x00007f849aae3de0 in KRun::runService(KService const&, QList<QUrl> const&, QWidget*, bool, QString const&, QByteArray const&) () from /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5
#12 0x00007f849aae599c in KRun::run(KService const&, QList<QUrl> const&, QWidget*, bool, QString const&, QByteArray const&) () from /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5
#13 0x00007f83c7dfa38a in ServiceRunner::run (this=<optimized out>, context=..., match=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/runners/services/servicerunner.cpp:249
#14 0x00007f83ea099a67 in Plasma::RunnerContext::run (this=0x42985c0, match=...) at ../../src/runnercontext.cpp:597
#15 0x00007f83ea09beb6 in Plasma::RunnerManager::run (this=0x3fb4b50, match=...) at ../../src/runnermanager.cpp:673
#16 0x00007f83ea9a9898 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#17 0x00007f83ea9b578a in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#18 0x00007f83ea9b82b3 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#19 0x00007f849f169319 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007f849f0ee67c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007f849f0efebc in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007f849f0f06cd in QV4::QObjectMethod::callInternal(QV4::CallData*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007f849f1070c3 in QV4::Runtime::callProperty(QV4::ExecutionEngine*, int, QV4::CallData*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007f83ea9423dc in ?? ()
#25 0x00007f846c1206e8 in ?? ()
#26 0x00007f846c3e5378 in ?? ()
#27 0x0003000000000000 in ?? ()
#28 0x0000000000000001 in ?? ()
#29 0x0000000001296240 in ?? ()
#30 0x4cf387e888218000 in ?? ()
#31 0x00007f84738010e8 in ?? ()
#32 0x00007f84738010f0 in ?? ()
#33 0x0000000000ffcc20 in ?? ()
#34 0x00007f849f0a777a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#35 0x00007f849f1070c3 in QV4::Runtime::callProperty(QV4::ExecutionEngine*, int, QV4::CallData*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#36 0x00007f83ea941d34 in ?? ()
#37 0x0000000000000000 in ?? ()

Possible duplicates by query: bug 364938, bug 363382, bug 361556, bug 360493, bug 360154.

Reported using DrKonqi