Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-98-generic x86_64
Distribution: Ubuntu 16.04.3 LTS

-- Information about the crash:
- Click on the "K" symbol and open the menu. Search for an application. Plasma crashes.

The crash can be reproduced every time.

-- 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 0x7f1c00a8b8c0 (LWP 14919))]

Thread 24 (Thread 0x7f1ae3fff700 (LWP 15185)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x7f1b0c003190, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b0c003190, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b0c003190, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b0c003190, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b0c003190, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x7f1b0c003190) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x7f1b0c003190) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1ae3fff700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f1aebfff700 (LWP 15184)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x7f1b00003190, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b00003190, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b00003190, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b00003190, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b00003190, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x7f1b00003190) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x7f1b00003190) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1aebfff700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f1b18ff9700 (LWP 15183)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x7f1b100035c0, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b100035c0, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b100035c0, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b100035c0, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b100035c0, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x7f1b100035c0) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x7f1b100035c0) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b18ff9700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f1b197fa700 (LWP 15182)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x7f1b08002f90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b08002f90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b08002f90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b08002f90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b08002f90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x7f1b08002f90) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x7f1b08002f90) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b197fa700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f1b19ffb700 (LWP 15181)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x7f1afc003190, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1afc003190, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1afc003190, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1afc003190, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1afc003190, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x7f1afc003190) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x7f1afc003190) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b19ffb700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f1b1a7fc700 (LWP 15180)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x7f1b04002b90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b04002b90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b04002b90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b04002b90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b04002b90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x7f1b04002b90) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x7f1b04002b90) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b1a7fc700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f1b1affd700 (LWP 15179)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x7f1b14002f90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b14002f90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b14002f90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b14002f90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b14002f90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x7f1b14002f90) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x7f1b14002f90) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b1affd700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f1b1b7fe700 (LWP 15178)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x7f1b100027d0, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b100027d0, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b100027d0, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b100027d0, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b100027d0, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x7f1b100027d0) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x7f1b100027d0) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b1b7fe700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f1b20d53700 (LWP 15177)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x7f1b24001230, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b24001230, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b24001230, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b24001230, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b24001230, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x7f1b24001230) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x7f1b24001230) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b20d53700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f1b21554700 (LWP 15176)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x7f1b1c002990, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b1c002990, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b1c002990, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x7f1b1c002990, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f1b1c002990, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x7f1b1c002990) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x7f1b1c002990) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b21554700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f1b21d55700 (LWP 15175)):
[KCrash Handler]
#6  __memcpy_avx_unaligned () at ../sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S:245
#7  0x00007f1bfb8934e0 in memcpy (__len=567624928, __src=0x7f1b21d54510, __dest=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string3.h:53
#8  QByteArray::QByteArray (this=0x7f1b21d54410, data=0x7f1b21d54510 "\200R0\004\033\177", size=567624928) at tools/qbytearray.cpp:1452
#9  0x00007f1b239a2917 in DBPostingIterator::DBPostingIterator (this=0x7f1b04305810, data=<optimized out>, size=<optimized out>) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/engine/postingdb.cpp:177
#10 0x00007f1b239a29f1 in Baloo::PostingDB::iter (this=this@entry=0x7f1b21d54500, term=...) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/engine/postingdb.cpp:169
#11 0x00007f1b239ab8bb in Baloo::Transaction::postingIterator (this=this@entry=0x7f1b21d54900, query=...) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/engine/transaction.cpp:294
#12 0x00007f1b23df2a4c in Baloo::SearchStore::constructQuery (this=this@entry=0x7f1b21d549f0, tr=tr@entry=0x7f1b21d54900, term=...) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/lib/searchstore.cpp:189
#13 0x00007f1b23df2bfa in Baloo::SearchStore::constructQuery (this=this@entry=0x7f1b21d549f0, tr=tr@entry=0x7f1b21d54900, term=...) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/lib/searchstore.cpp:163
#14 0x00007f1b23df3bcc in Baloo::SearchStore::exec (this=this@entry=0x7f1b21d549f0, term=..., offset=0, limit=10, sortResults=<optimized out>) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/lib/searchstore.cpp:75
#15 0x00007f1b23de2bc2 in Baloo::Query::exec (this=this@entry=0x7f1b21d54aa0) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/lib/query.cpp:210
#16 0x00007f1b28193f2f in SearchRunner::match (this=this@entry=0x553b4e0, context=..., type=..., category=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/runners/baloo/baloosearchrunner.cpp:98
#17 0x00007f1b28194879 in SearchRunner::match (this=0x553b4e0, context=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/runners/baloo/baloosearchrunner.cpp:160
#18 0x00007f1b43764540 in Plasma::AbstractRunner::performMatch (this=0x553b4e0, localContext=...) at ../../src/abstractrunner.cpp:131
#19 0x00007f1b42c7dc90 in ThreadWeaver::Executor::run (this=<optimized out>, job=..., thread=<optimized out>) at ../../src/executor.cpp:52
#20 0x00007f1b42c7c7e0 in ThreadWeaver::Job::execute (this=<optimized out>, self=..., th=0x44b5d30) at ../../src/job.cpp:83
#21 0x00007f1b42c7c28a in ThreadWeaver::Thread::run (this=0x44b5d30) at ../../src/thread.cpp:114
#22 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x44b5d30) at thread/qthread_unix.cpp:331
#23 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b21d55700) at pthread_create.c:333
#24 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f1b22556700 (LWP 15174)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x4e65370, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x4e65370, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x4e65370, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x4e65370, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x4e65370, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x4e65370) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x4e65370) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b22556700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f1b1bfff700 (LWP 15173)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x545cff0, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x545cff0, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x545cff0, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x545cff0, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x545cff0, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x545cff0) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x545cff0) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b1bfff700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f1b22d57700 (LWP 15172)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x52dbb10, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x52dbb10, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x52dbb10, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x52dbb10, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x52dbb10, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x52dbb10) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x52dbb10) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b22d57700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f1b23558700 (LWP 15171)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x4b9bd30, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x4b9bd30, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x4b9bd30, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x4b9bd30, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x4b9bd30, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x4b9bd30) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x4b9bd30) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b23558700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f1b2a1ce700 (LWP 15170)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1bfb890a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x52d7e80) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4ee9d20, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1b42c7950b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x52fa090, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f1b42c7a2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x52fa090, th=th@entry=0x54dab60, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f1b42c7e4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x54dab60, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x54dab60, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f1b42c7e542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x52dbe20, th=0x54dab60, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f1b42c7946d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x54dab60, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f1b42c7c353 in ThreadWeaver::Thread::run (this=0x54dab60) at ../../src/thread.cpp:103
#10 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x54dab60) at thread/qthread_unix.cpp:331
#11 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b2a1ce700) at pthread_create.c:333
#12 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f1b3820f700 (LWP 14931)):
#0  0x00007f1bfb19970d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1bf7f2d38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bf7f2d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bfbac67eb in QEventDispatcherGlib::processEvents (this=0x7f1b300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f1bfba6db4a in QEventLoop::exec (this=this@entry=0x7f1b3820ecc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1bfb88a834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1b3a6ed7d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x46cb140) at thread/qthread_unix.cpp:331
#8  0x00007f1bfa97b6ba in start_thread (arg=0x7f1b3820f700) at pthread_create.c:333
#9  0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f1b4a61d700 (LWP 14930)):
#0  0x00007f1bfb19524d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1bf7f706f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bf7f2ce74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bf7f2d330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1bf7f2d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1bfbac67eb in QEventDispatcherGlib::processEvents (this=0x7f1b440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f1bfba6db4a in QEventLoop::exec (this=this@entry=0x7f1b4a61cc90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f1bfb88a834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f1bfeab8ed6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x22fbbc0) at thread/qthread_unix.cpp:331
#10 0x00007f1bfa97b6ba in start_thread (arg=0x7f1b4a61d700) at pthread_create.c:333
#11 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f1bd1285700 (LWP 14929)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1c004d7bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f1c004d7c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f1bfa97b6ba in start_thread (arg=0x7f1bd1285700) at pthread_create.c:333
#4  0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f1bd2b91700 (LWP 14928)):
#0  0x00007f1bfb19524d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1bf7f706f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bf7f2ce74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bf7f2d330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1bf7f2d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1bfbac67eb in QEventDispatcherGlib::processEvents (this=0x7f1bcc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f1bfba6db4a in QEventLoop::exec (this=this@entry=0x7f1bd2b90ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f1bfb88a834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f1bfe1323c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x2034a50) at thread/qthread_unix.cpp:331
#10 0x00007f1bfa97b6ba in start_thread (arg=0x7f1bd2b91700) at pthread_create.c:333
#11 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f1bd8abc700 (LWP 14927)):
#0  0x00007f1bfb88793a in QBasicAtomicOps<8>::testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x1f51938: 0x1) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  QGenericAtomicOps<QBasicAtomicOps<8> >::testAndSetAcquire<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=<optimized out>, expectedValue=0x0, _q_value=@0x1f51938: 0x1) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:166
#2  QBasicAtomicPointer<QMutexData>::testAndSetAcquire (currentValue=<synthetic pointer>, newValue=<optimized out>, expectedValue=0x0, this=0x1f51938, this@entry=0x1) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:276
#3  QBasicMutex::fastTryLock (current=<synthetic pointer>, this=0x1f51938, this@entry=0x1) at thread/qmutex.h:82
#4  QMutex::lock (this=this@entry=0x1f51938) at thread/qmutex.cpp:212
#5  0x00007f1bfbac5d6f in QMutexLocker::QMutexLocker (m=0x1f51938, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#6  QThreadData::canWaitLocked (this=0x1f51910) at ../../include/QtCore/5.5.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:240
#7  postEventSourcePrepare (s=0x7f1bd40012d0, timeout=0x7f1bd8abbb24) at kernel/qeventdispatcher_glib.cpp:254
#8  0x00007f1bf7f2c91d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f1bf7f2d2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f1bf7f2d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f1bfbac67eb in QEventDispatcherGlib::processEvents (this=0x7f1bd40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#12 0x00007f1bfba6db4a in QEventLoop::exec (this=this@entry=0x7f1bd8abbce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f1bfb88a834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007f1bfe1323c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x1fa5cc0) at thread/qthread_unix.cpp:331
#16 0x00007f1bfa97b6ba in start_thread (arg=0x7f1bd8abc700) at pthread_create.c:333
#17 0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f1be9548700 (LWP 14924)):
#0  0x00007f1bf7f2c8ea in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1bf7f2d2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bf7f2d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bfbac67eb in QEventDispatcherGlib::processEvents (this=0x7f1bdc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f1bfba6db4a in QEventLoop::exec (this=this@entry=0x7f1be9547ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1bfb88a834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1bfe1323c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x1bf3220) at thread/qthread_unix.cpp:331
#8  0x00007f1bfa97b6ba in start_thread (arg=0x7f1be9548700) at pthread_create.c:333
#9  0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f1bebd56700 (LWP 14922)):
#0  0x00007f1bfb19970d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1bff25ec62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f1bff2608d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1bedea4889 in QXcbEventReader::run (this=0x1b2b7b0) at qxcbconnection.cpp:1271
#4  0x00007f1bfb88f7be in QThreadPrivate::start (arg=0x1b2b7b0) at thread/qthread_unix.cpp:331
#5  0x00007f1bfa97b6ba in start_thread (arg=0x7f1bebd56700) at pthread_create.c:333
#6  0x00007f1bfb1a53dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f1c00a8b8c0 (LWP 14919)):
#0  0x00007f1bfb19970d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1bf7f2d38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bf7f2d49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bfbac67cf in QEventDispatcherGlib::processEvents (this=0x1b4c590, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1bfba6db4a in QEventLoop::exec (this=this@entry=0x7fff412ddd90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1bfba75bec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#6  0x00007f1bfbda9bfc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1542
#7  0x00007f1bfc56f495 in QApplication::exec () at kernel/qapplication.cpp:2976
#8  0x0000000000432d4a in main (argc=3, argv=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/main.cpp:181

Reported using DrKonqi