Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-64-generic x86_64
Distribution: Ubuntu 16.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Opened the Application Launcher and searched for an installed programme.

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".
__libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:98
[Current thread is 1 (Thread 0x7f3fb8fa18c0 (LWP 2011))]

Thread 16 (Thread 0x7f3ed27fc700 (LWP 8796)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3fb3dbca5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x708bd20) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7260620, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f3f0169650b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x70d7420, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f3f016972bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x70d7420, th=th@entry=0x7f3ecc002b90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f3f0169b4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x7f3ecc002b90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f3ecc002b90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f3f0169b542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x7f3ecc002b90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f3ecc002b90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f3f01699353 in ThreadWeaver::Thread::run (this=0x7f3ecc002b90) at ../../src/thread.cpp:103
#10 0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x7f3ecc002b90) at thread/qthread_unix.cpp:331
#11 0x00007f3fb2ea86ba in start_thread (arg=0x7f3ed27fc700) at pthread_create.c:333
#12 0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f3ed2ffd700 (LWP 8795)):
[KCrash Handler]
#6  memcpy (__len=96, __src=0x18, __dest=0x7f3ec00039c8) at /usr/include/x86_64-linux-gnu/bits/string3.h:53
#7  mdb_txn_renew0 (txn=txn@entry=0x7f3ec0003940) at mdb.c:2719
#8  0x00007f3ee02fff14 in mdb_txn_begin (env=0x7f3edc0040c0, parent=0x0, flags=131072, ret=0x7f3ed2ffc908) at mdb.c:2850
#9  0x00007f3ee0978bbe in Baloo::SearchStore::exec (this=this@entry=0x7f3ed2ffc9f0, term=..., offset=0, limit=10, sortResults=<optimized out>) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/lib/searchstore.cpp:74
#10 0x00007f3ee0967bc2 in Baloo::Query::exec (this=this@entry=0x7f3ed2ffcaa0) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/lib/query.cpp:210
#11 0x00007f3ee0b88f2f in SearchRunner::match (this=this@entry=0x30e8c90, context=..., type=..., category=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/runners/baloo/baloosearchrunner.cpp:98
#12 0x00007f3ee0b89879 in SearchRunner::match (this=0x30e8c90, context=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/runners/baloo/baloosearchrunner.cpp:160
#13 0x00007f3f01f2a540 in Plasma::AbstractRunner::performMatch (this=0x30e8c90, localContext=...) at ../../src/abstractrunner.cpp:131
#14 0x00007f3f0169ac90 in ThreadWeaver::Executor::run (this=<optimized out>, job=..., thread=<optimized out>) at ../../src/executor.cpp:52
#15 0x00007f3f016997e0 in ThreadWeaver::Job::execute (this=<optimized out>, self=..., th=0x726d2f0) at ../../src/job.cpp:83
#16 0x00007f3f0169928a in ThreadWeaver::Thread::run (this=0x726d2f0) at ../../src/thread.cpp:114
#17 0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x726d2f0) at thread/qthread_unix.cpp:331
#18 0x00007f3fb2ea86ba in start_thread (arg=0x7f3ed2ffd700) at pthread_create.c:333
#19 0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f3ed37fe700 (LWP 8794)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3fb3dbca5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x708bd20) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7260620, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f3f0169650b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x70d7420, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f3f016972bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x70d7420, th=th@entry=0x7f3ec4003190, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f3f0169b4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x7f3ec4003190, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f3ec4003190, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f3f0169b542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x7f3ec4003190, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f3ec4003190, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f3f01699353 in ThreadWeaver::Thread::run (this=0x7f3ec4003190) at ../../src/thread.cpp:103
#10 0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x7f3ec4003190) at thread/qthread_unix.cpp:331
#11 0x00007f3fb2ea86ba in start_thread (arg=0x7f3ed37fe700) at pthread_create.c:333
#12 0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f3ed8dd2700 (LWP 8793)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3fb3dbca5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x708bd20) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7260620, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f3f0169650b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x70d7420, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f3f016972bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x70d7420, th=th@entry=0x7f3ed4002990, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f3f0169b4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x7f3ed4002990, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f3ed4002990, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f3f0169b542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x7f3ed4002990, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f3ed4002990, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f3f01699353 in ThreadWeaver::Thread::run (this=0x7f3ed4002990) at ../../src/thread.cpp:103
#10 0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x7f3ed4002990) at thread/qthread_unix.cpp:331
#11 0x00007f3fb2ea86ba in start_thread (arg=0x7f3ed8dd2700) at pthread_create.c:333
#12 0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f3ed95d3700 (LWP 8792)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3fb3dbca5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x708bd20) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7260620, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f3f0169650b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x70d7420, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f3f016972bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x70d7420, th=th@entry=0x280c080, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f3f0169b4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x280c080, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x280c080, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f3f0169b542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x280c080, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x280c080, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f3f01699353 in ThreadWeaver::Thread::run (this=0x280c080) at ../../src/thread.cpp:103
#10 0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x280c080) at thread/qthread_unix.cpp:331
#11 0x00007f3fb2ea86ba in start_thread (arg=0x7f3ed95d3700) at pthread_create.c:333
#12 0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f3ed3fff700 (LWP 8791)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3fb3dbca5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x708bd20) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7260620, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f3f0169650b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x70d7420, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f3f016972bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x70d7420, th=th@entry=0x7f3edc003390, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f3f0169b4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x7f3edc003390, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f3edc003390, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f3f0169b542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x7f3edc003390, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x7f3edc003390, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f3f01699353 in ThreadWeaver::Thread::run (this=0x7f3edc003390) at ../../src/thread.cpp:103
#10 0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x7f3edc003390) at thread/qthread_unix.cpp:331
#11 0x00007f3fb2ea86ba in start_thread (arg=0x7f3ed3fff700) at pthread_create.c:333
#12 0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f3ed9dd4700 (LWP 8790)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3fb3dbca5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x708bd20) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7260620, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f3f0169650b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x70d7420, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f3f016972bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x70d7420, th=th@entry=0x70d93a0, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f3f0169b4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x70d93a0, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x70d93a0, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f3f0169b542 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x70d93a0, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x70d93a0, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f3f01699353 in ThreadWeaver::Thread::run (this=0x70d93a0) at ../../src/thread.cpp:103
#10 0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x70d93a0) at thread/qthread_unix.cpp:331
#11 0x00007f3fb2ea86ba in start_thread (arg=0x7f3ed9dd4700) at pthread_create.c:333
#12 0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f3ee20a7700 (LWP 8789)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3fb3dbca5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x708bd20) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7260620, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f3f0169650b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x70d7420, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f3f016972bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x70d7420, th=th@entry=0x5962370, threadWasBusy=threadWasBusy@entry=true, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f3f0169b4e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x6dc27b0, th=0x5962370, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f3f0169646d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x5962370, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f3f01699353 in ThreadWeaver::Thread::run (this=0x5962370) at ../../src/thread.cpp:103
#8  0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x5962370) at thread/qthread_unix.cpp:331
#9  0x00007f3fb2ea86ba in start_thread (arg=0x7f3ee20a7700) at pthread_create.c:333
#10 0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f3ef0c6f700 (LWP 2114)):
#0  0x00007f3fb04573b2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3fb04598bb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3fb045a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3fb045a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3fb3ff27eb in QEventDispatcherGlib::processEvents (this=0x7f3eec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f3fb3f99b4a in QEventLoop::exec (this=this@entry=0x7f3ef0c6ec90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f3fb3db6834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f3fb6fe4ed6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x570d6a0) at thread/qthread_unix.cpp:331
#9  0x00007f3fb2ea86ba in start_thread (arg=0x7f3ef0c6f700) at pthread_create.c:333
#10 0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f3f0327b700 (LWP 2109)):
#0  0x00007f3fb0459ad0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3fb045a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3fb045a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3fb3ff27eb in QEventDispatcherGlib::processEvents (this=0x7f3efc008700, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f3fb3f99b4a in QEventLoop::exec (this=this@entry=0x7f3f0327acc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3fb3db6834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3ef400c7d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x34e9bb0) at thread/qthread_unix.cpp:331
#8  0x00007f3fb2ea86ba in start_thread (arg=0x7f3f0327b700) at pthread_create.c:333
#9  0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f3f8a991700 (LWP 2062)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3fb8a03bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f3fb8a03c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f3fb2ea86ba in start_thread (arg=0x7f3f8a991700) at pthread_create.c:333
#4  0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f3f8bfff700 (LWP 2055)):
#0  0x00007f3fb36c5b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3fb045a38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3fb045a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3fb3ff27eb in QEventDispatcherGlib::processEvents (this=0x7f3f840008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f3fb3f99b4a in QEventLoop::exec (this=this@entry=0x7f3f8bffece0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3fb3db6834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3fb665e3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x264ae90) at thread/qthread_unix.cpp:331
#8  0x00007f3fb2ea86ba in start_thread (arg=0x7f3f8bfff700) at pthread_create.c:333
#9  0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f3f921dd700 (LWP 2054)):
#0  0x00007f3fb36c5b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3fb045a38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3fb045a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3fb3ff27eb in QEventDispatcherGlib::processEvents (this=0x7f3f8c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f3fb3f99b4a in QEventLoop::exec (this=this@entry=0x7f3f921dcce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f3fb3db6834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f3fb665e3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x2505690) at thread/qthread_unix.cpp:331
#8  0x00007f3fb2ea86ba in start_thread (arg=0x7f3f921dd700) at pthread_create.c:333
#9  0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f3fa1930700 (LWP 2041)):
#0  0x00007f3fb3dba6f2 in QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:211
#1  0x00007f3fb3ff1d4a in postEventSourcePrepare (s=0x7f3f940012d0, timeout=0x7f3fa192fb24) at kernel/qeventdispatcher_glib.cpp:247
#2  0x00007f3fb045991d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3fb045a2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3fb045a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3fb3ff27eb in QEventDispatcherGlib::processEvents (this=0x7f3f940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f3fb3f99b4a in QEventLoop::exec (this=this@entry=0x7f3fa192fce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f3fb3db6834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f3fb665e3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x21be6a0) at thread/qthread_unix.cpp:331
#10 0x00007f3fb2ea86ba in start_thread (arg=0x7f3fa1930700) at pthread_create.c:333
#11 0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f3fa413e700 (LWP 2013)):
#0  0x00007f3fb36c5b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3fb778ac62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f3fb778c8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f3fa628c629 in QXcbEventReader::run (this=0x20fc820) at qxcbconnection.cpp:1253
#4  0x00007f3fb3dbb7be in QThreadPrivate::start (arg=0x20fc820) at thread/qthread_unix.cpp:331
#5  0x00007f3fb2ea86ba in start_thread (arg=0x7f3fa413e700) at pthread_create.c:333
#6  0x00007f3fb36d182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f3fb8fa18c0 (LWP 2011)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:98
#1  0x00007f3fb36c1709 in write () at ../sysdeps/unix/syscall-template.S:84
#2  0x00007f3fb049d792 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3fb04566fc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3fb045a15d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3fb045a3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f3fb045a49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f3fb3ff27cf in QEventDispatcherGlib::processEvents (this=0x211b7d0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#8  0x00007f3fb3f99b4a in QEventLoop::exec (this=this@entry=0x7ffded029710, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f3fb3fa1bec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#10 0x00007f3fb42d5bfc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1542
#11 0x00007f3fb4a9b495 in QApplication::exec () at kernel/qapplication.cpp:2976
#12 0x0000000000432d4a in main (argc=2, argv=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/main.cpp:181

Possible duplicates by query: bug 372797, bug 364938, bug 363382, bug 360154.

Reported using DrKonqi