https://bugs.kde.org/show_bug.cgi?id=362966

            Bug ID: 362966
           Summary: krunner crash when starting iceweasel
           Product: krunner
           Version: 5.5.4
          Platform: Debian unstable
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: m...@vhanda.in
          Reporter: arthur.ma...@internode.on.net

Application: krunner (5.5.4)

Qt Version: 5.5.1
Operating System: Linux 4.6.0-rc7+ x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
after updating packages, prelinking and restarting lxdm, first use of krunner
lead to the crash, but iceweasel started successfully.

-- Backtrace:
Application: krunner (krunner), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f8f374947c0 (LWP 8425))]

Thread 12 (Thread 0x7f8f36dd1700 (LWP 8426)):
#0  0x00000030004dfe5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x000000300340a382 in _xcb_conn_wait (__timeout=-1, __nfds=1,
__fds=0x7f8f36dd0d00) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  0x000000300340a382 in _xcb_conn_wait (c=c@entry=0x1f81470,
cond=cond@entry=0x1f814b0, vector=vector@entry=0x0, count=count@entry=0x0) at
../../src/xcb_conn.c:459
#3  0x000000300340bff7 in xcb_wait_for_event (c=0x1f81470) at
../../src/xcb_in.c:693
#4  0x00007f8f37230789 in QXcbEventReader::run() (this=0x1f944c0) at
qxcbconnection.cpp:1230
#5  0x00000030174a57fe in QThreadPrivate::start(void*) (arg=0x1f944c0) at
thread/qthread_unix.cpp:331
#6  0x0000003000c07454 in start_thread (arg=0x7f8f36dd1700) at
pthread_create.c:334
#7  0x00000030004e8eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f8f2d5ea700 (LWP 8429)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8f34fbf693 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007f8f34fbedb7 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x0000003000c07454 in start_thread (arg=0x7f8f2d5ea700) at
pthread_create.c:334
#4  0x00000030004e8eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f8f2bd6d700 (LWP 8430)):
#0  0x00000030004dfe5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x000000300284a39c in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7f8f24003070, timeout=<optimized out>, context=0x7f8f24000990) at
/build/glib2.0-wnDt2X/glib2.0-2.48.1/./glib/gmain.c:4135
#2  0x000000300284a39c in g_main_context_iterate
(context=context@entry=0x7f8f24000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-wnDt2X/glib2.0-2.48.1/./glib/gmain.c:3835
#3  0x000000300284a4ac in g_main_context_iteration (context=0x7f8f24000990,
may_block=may_block@entry=1) at
/build/glib2.0-wnDt2X/glib2.0-2.48.1/./glib/gmain.c:3901
#4  0x00000030176dca5b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f8f240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003017683d6a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f8f2bd6cde0, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:204
#6  0x00000030174a0854 in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:503
#7  0x0000003047ed5105 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00000030174a57fe in QThreadPrivate::start(void*) (arg=0x231a850) at
thread/qthread_unix.cpp:331
#9  0x0000003000c07454 in start_thread (arg=0x7f8f2bd6d700) at
pthread_create.c:334
#10 0x00000030004e8eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f8f2190f700 (LWP 8633)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(time=18446744073709551615, this=0x23436f0) at
thread/qwaitcondition_unix.cpp:136
#2  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(this=<optimized out>, mutex=0x2270680, time=time@entry=18446744073709551615)
at thread/qwaitcondition_unix.cpp:208
#3  0x00007f8f29b6f02b in
ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*)
(this=this@entry=0x22c9660, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f8f29b6fddf in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) (this=0x22c9660, th=th@entry=0x2c05cd0,
threadWasBusy=threadWasBusy@entry=false,
suspendIfInactive=suspendIfInactive@entry=false,
justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f8f29b74038 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x2c05cd0, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:66
#6  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x2c05cd0, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#7  0x00007f8f29b74092 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x2c05cd0, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:73
#8  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x2c05cd0, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#9  0x00007f8f29b71ea3 in ThreadWeaver::Thread::run() (this=0x2c05cd0) at
../../src/thread.cpp:103
#10 0x00000030174a57fe in QThreadPrivate::start(void*) (arg=0x2c05cd0) at
thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f8f2190f700) at
pthread_create.c:334
#12 0x00000030004e8eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f8f1910e700 (LWP 8634)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(time=18446744073709551615, this=0x23436f0) at
thread/qwaitcondition_unix.cpp:136
#2  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(this=<optimized out>, mutex=0x2270680, time=time@entry=18446744073709551615)
at thread/qwaitcondition_unix.cpp:208
#3  0x00007f8f29b6f02b in
ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*)
(this=this@entry=0x22c9660, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f8f29b6fddf in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) (this=0x22c9660, th=th@entry=0x2c14120,
threadWasBusy=threadWasBusy@entry=false,
suspendIfInactive=suspendIfInactive@entry=false,
justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f8f29b74038 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x2c14120, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:66
#6  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x2c14120, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#7  0x00007f8f29b74092 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x2c14120, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:73
#8  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x2c14120, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#9  0x00007f8f29b71ea3 in ThreadWeaver::Thread::run() (this=0x2c14120) at
../../src/thread.cpp:103
#10 0x00000030174a57fe in QThreadPrivate::start(void*) (arg=0x2c14120) at
thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f8f1910e700) at
pthread_create.c:334
#12 0x00000030004e8eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f8f2110e700 (LWP 8635)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(time=18446744073709551615, this=0x23436f0) at
thread/qwaitcondition_unix.cpp:136
#2  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(this=<optimized out>, mutex=0x2270680, time=time@entry=18446744073709551615)
at thread/qwaitcondition_unix.cpp:208
#3  0x00007f8f29b6f02b in
ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*)
(this=this@entry=0x22c9660, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f8f29b6fddf in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) (this=0x22c9660, th=th@entry=0x2c05690,
threadWasBusy=threadWasBusy@entry=false,
suspendIfInactive=suspendIfInactive@entry=false,
justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f8f29b74038 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x2c05690, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:66
#6  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x2c05690, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#7  0x00007f8f29b74092 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x2c05690, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:73
#8  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x2c05690, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#9  0x00007f8f29b71ea3 in ThreadWeaver::Thread::run() (this=0x2c05690) at
../../src/thread.cpp:103
#10 0x00000030174a57fe in QThreadPrivate::start(void*) (arg=0x2c05690) at
thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f8f2110e700) at
pthread_create.c:334
#12 0x00000030004e8eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f8f2090d700 (LWP 8636)):
[KCrash Handler]
#6  0x00000030d7a0392a in  () at /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#7  0x00000030d7a04d34 in mdb_txn_begin () at
/usr/lib/x86_64-linux-gnu/liblmdb.so.0
#8  0x00000030bb82101e in  () at /usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#9  0x00000030bb80fff2 in Baloo::Query::exec() () at
/usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#10 0x00007f8f233acf2f in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_baloosearchrunner.so
#11 0x00007f8f233ad879 in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_baloosearchrunner.so
#12 0x00007f8f29d8ff40 in
Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) (this=0x2c53210,
localContext=...) at ../../src/abstractrunner.cpp:131
#13 0x00007f8f29b737e0 in
ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) (this=<optimized out>, job=..., thread=<optimized out>)
at ../../src/executor.cpp:52
#14 0x00007f8f29b72330 in
ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) (this=<optimized out>, self=..., th=0x2c1f1e0) at
../../src/job.cpp:83
#15 0x00007f8f29b71dda in ThreadWeaver::Thread::run() (this=0x2c1f1e0) at
../../src/thread.cpp:114
#16 0x00000030174a57fe in QThreadPrivate::start(void*) (arg=0x2c1f1e0) at
thread/qthread_unix.cpp:331
#17 0x0000003000c07454 in start_thread (arg=0x7f8f2090d700) at
pthread_create.c:334
#18 0x00000030004e8eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f8f1bfff700 (LWP 8637)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(time=18446744073709551615, this=0x23436f0) at
thread/qwaitcondition_unix.cpp:136
#2  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(this=<optimized out>, mutex=0x2270680, time=time@entry=18446744073709551615)
at thread/qwaitcondition_unix.cpp:208
#3  0x00007f8f29b6f02b in
ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*)
(this=this@entry=0x22c9660, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f8f29b6fddf in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) (this=0x22c9660, th=th@entry=0x2c1f160,
threadWasBusy=threadWasBusy@entry=false,
suspendIfInactive=suspendIfInactive@entry=false,
justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f8f29b74038 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x2c1f160, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:66
#6  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x2c1f160, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#7  0x00007f8f29b74092 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x2c1f160, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:73
#8  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x2c1f160, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#9  0x00007f8f29b71ea3 in ThreadWeaver::Thread::run() (this=0x2c1f160) at
../../src/thread.cpp:103
#10 0x00000030174a57fe in QThreadPrivate::start(void*) (arg=0x2c1f160) at
thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f8f1bfff700) at
pthread_create.c:334
#12 0x00000030004e8eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f8f1b7fe700 (LWP 8638)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(time=18446744073709551615, this=0x23436f0) at
thread/qwaitcondition_unix.cpp:136
#2  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(this=<optimized out>, mutex=0x2270680, time=time@entry=18446744073709551615)
at thread/qwaitcondition_unix.cpp:208
#3  0x00007f8f29b6f02b in
ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*)
(this=this@entry=0x22c9660, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f8f29b6fddf in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) (this=0x22c9660, th=th@entry=0x7f8f1c002d90,
threadWasBusy=threadWasBusy@entry=false,
suspendIfInactive=suspendIfInactive@entry=false,
justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f8f29b74038 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x7f8f1c002d90, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:66
#6  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x7f8f1c002d90, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#7  0x00007f8f29b74092 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x7f8f1c002d90, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:73
#8  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x7f8f1c002d90, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#9  0x00007f8f29b71ea3 in ThreadWeaver::Thread::run() (this=0x7f8f1c002d90) at
../../src/thread.cpp:103
#10 0x00000030174a57fe in QThreadPrivate::start(void*) (arg=0x7f8f1c002d90) at
thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f8f1b7fe700) at
pthread_create.c:334
#12 0x00000030004e8eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f8f1affd700 (LWP 8639)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(time=18446744073709551615, this=0x23436f0) at
thread/qwaitcondition_unix.cpp:136
#2  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(this=<optimized out>, mutex=0x2270680, time=time@entry=18446744073709551615)
at thread/qwaitcondition_unix.cpp:208
#3  0x00007f8f29b6f02b in
ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*)
(this=this@entry=0x22c9660, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f8f29b6fddf in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) (this=0x22c9660, th=th@entry=0x7f8f10002f90,
threadWasBusy=threadWasBusy@entry=false,
suspendIfInactive=suspendIfInactive@entry=false,
justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f8f29b74038 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x7f8f10002f90, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:66
#6  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x7f8f10002f90, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#7  0x00007f8f29b74092 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x7f8f10002f90, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:73
#8  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x7f8f10002f90, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#9  0x00007f8f29b71ea3 in ThreadWeaver::Thread::run() (this=0x7f8f10002f90) at
../../src/thread.cpp:103
#10 0x00000030174a57fe in QThreadPrivate::start(void*) (arg=0x7f8f10002f90) at
thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f8f1affd700) at
pthread_create.c:334
#12 0x00000030004e8eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f8f1a7fc700 (LWP 8640)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(time=18446744073709551615, this=0x23436f0) at
thread/qwaitcondition_unix.cpp:136
#2  0x00000030174a6a9b in QWaitCondition::wait(QMutex*, unsigned long)
(this=<optimized out>, mutex=0x2270680, time=time@entry=18446744073709551615)
at thread/qwaitcondition_unix.cpp:208
#3  0x00007f8f29b6f02b in
ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*)
(this=this@entry=0x22c9660, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f8f29b6fddf in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) (this=0x22c9660, th=th@entry=0x7f8f08002f90,
threadWasBusy=threadWasBusy@entry=false,
suspendIfInactive=suspendIfInactive@entry=false,
justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f8f29b74038 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x7f8f08002f90, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:66
#6  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x7f8f08002f90, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#7  0x00007f8f29b74092 in
ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool)
(this=0x22ef6a0, th=0x7f8f08002f90, wasBusy=<optimized out>) at
../../src/workinghardstate.cpp:73
#8  0x00007f8f29b6ef8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool)
(this=<optimized out>, th=0x7f8f08002f90, wasBusy=<optimized out>) at
../../src/weaver.cpp:568
#9  0x00007f8f29b71ea3 in ThreadWeaver::Thread::run() (this=0x7f8f08002f90) at
../../src/thread.cpp:103
#10 0x00000030174a57fe in QThreadPrivate::start(void*) (arg=0x7f8f08002f90) at
thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f8f1a7fc700) at
pthread_create.c:334
#12 0x00000030004e8eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f8f374947c0 (LWP 8425)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000000300340a5d9 in _xcb_conn_wait (c=c@entry=0x1f81470,
cond=cond@entry=0x7ffde62d9570, vector=vector@entry=0x0, count=count@entry=0x0)
at ../../src/xcb_conn.c:427
#2  0x000000300340bd37 in wait_for_reply (c=c@entry=0x1f81470, request=1169,
e=e@entry=0x0) at ../../src/xcb_in.c:516
#3  0x000000300340be41 in xcb_wait_for_reply (c=c@entry=0x1f81470,
request=1169, e=e@entry=0x0) at ../../src/xcb_in.c:546
#4  0x0000003003410175 in xcb_intern_atom_reply (c=c@entry=0x1f81470,
cookie=..., e=e@entry=0x0) at xproto.c:2143
#5  0x00007f8f2cbda489 in KWindowEffectsPrivateX11::slideWindow(unsigned long
long, KWindowEffects::SlideFromLocation, int) (this=<optimized out>,
id=39845898, location=KWindowEffects::TopEdge, offset=-1) at
../../../../src/platforms/xcb/kwindoweffects.cpp:127
#6  0x00000030adc246af in  () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#7  0x00000030adc263c3 in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#8  0x0000000000409e8f in View::event(QEvent*) ()
#9  0x000000301d75affc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x1f72d10, receiver=receiver@entry=0x7ffde62dfbd0,
e=e@entry=0x7ffde62d9a20) at kernel/qapplication.cpp:3716
#10 0x000000301d7604b6 in QApplication::notify(QObject*, QEvent*)
(this=0x7ffde62dfb60, receiver=0x7ffde62dfbd0, e=0x7ffde62d9a20) at
kernel/qapplication.cpp:3499
#11 0x00000030176865ab in QCoreApplication::notifyInternal(QObject*, QEvent*)
(this=0x7ffde62dfb60, receiver=receiver@entry=0x7ffde62dfbd0,
event=event@entry=0x7ffde62d9a20) at kernel/qcoreapplication.cpp:965
#12 0x000000301c4f979f in QWindow::setVisible(bool) (event=0x7ffde62d9a20,
receiver=0x7ffde62dfbd0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#13 0x000000301c4f979f in QWindow::setVisible(bool) (this=0x7ffde62dfbd0,
visible=false) at kernel/qwindow.cpp:520
#14 0x00000030adc22420 in PlasmaQuick::Dialog::setVisible(bool) () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#15 0x00000030adc253f3 in  () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#16 0x00000030adc26b6b in PlasmaQuick::Dialog::qt_metacall(QMetaObject::Call,
int, void**) () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#17 0x000000000040a2c5 in View::qt_metacall(QMetaObject::Call, int, void**) ()
#18 0x0000003047e512b0 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData
const&, QVariant const&, QQmlContextData*,
QFlags<QQmlPropertyPrivate::WriteFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x0000003047e1dfdd in QV4::QObjectWrapper::setProperty(QObject*,
QV4::ExecutionContext*, QQmlPropertyData*, QV4::Value const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x0000003047e1e658 in
QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*,
QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&)
() at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x0000003047e1e792 in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*,
QV4::Value const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x0000003047e2dcf2 in QV4::Runtime::setProperty(QV4::ExecutionEngine*,
QV4::Value const&, int, QV4::Value const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007f8f29800a35 in  ()
#24 0x0000000000000000 in  ()

Reported using DrKonqi

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