Application: krunner (5.5.4)

Qt Version: 5.5.1
Operating System: Linux 4.5.0+ x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
on first run of KDE plasma after start-up, krunner crashed when launching iceweasel from alt-F2 but iceweasel was successfully launched.

The crash can be reproduced sometimes.

-- 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 0x7f4faa0cf7c0 (LWP 4152))]

Thread 12 (Thread 0x7f4fa9a0d700 (LWP 4157)):
#0  0x00000030004dfe4d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x000000300340a382 in _xcb_conn_wait (__timeout=-1, __nfds=1, __fds=0x7f4fa9a0cd00) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  0x000000300340a382 in _xcb_conn_wait (c=c@entry=0x16d2470, cond=cond@entry=0x16d24b0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:459
#3  0x000000300340bff7 in xcb_wait_for_event (c=0x16d2470) at ../../src/xcb_in.c:693
#4  0x00007f4fa9e6c789 in QXcbEventReader::run() (this=0x16e54c0) at qxcbconnection.cpp:1230
#5  0x00000030180a57fe in QThreadPrivate::start(void*) (arg=0x16e54c0) at thread/qthread_unix.cpp:331
#6  0x0000003000c07454 in start_thread (arg=0x7f4fa9a0d700) at pthread_create.c:334
#7  0x00000030004e8edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f4fa0b7b700 (LWP 4159)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4fa39b3c43 in radeon_drm_cs_emit_ioctl (mtx=0x17c9310, cond=0x17c9338) at ../../../../../../../include/c11/threads_posix.h:159
#2  0x00007f4fa39b3c43 in radeon_drm_cs_emit_ioctl (sema=0x17c9310) at ../../../../../../../src/gallium/auxiliary/os/os_thread.h:259
#3  0x00007f4fa39b3c43 in radeon_drm_cs_emit_ioctl (param=param@entry=0x17c8fc0) at ../../../../../../../src/gallium/winsys/radeon/drm/radeon_drm_winsys.c:653
#4  0x00007f4fa39b3397 in impl_thrd_routine (p=<optimized out>) at ../../../../../../../include/c11/threads_posix.h:87
#5  0x0000003000c07454 in start_thread (arg=0x7f4fa0b7b700) at pthread_create.c:334
#6  0x00000030004e8edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f4f9f08c700 (LWP 4163)):
#0  0x00000030004dfe4d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x000000300444a1cc in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7f4f98003070, timeout=<optimized out>, context=0x7f4f98000990) at /build/glib2.0-2.46.2/./glib/gmain.c:4135
#2  0x000000300444a1cc in g_main_context_iterate (context=context@entry=0x7f4f98000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-2.46.2/./glib/gmain.c:3835
#3  0x000000300444a2dc in g_main_context_iteration (context=0x7f4f98000990, may_block=may_block@entry=1) at /build/glib2.0-2.46.2/./glib/gmain.c:3901
#4  0x00000030182dca5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f4f980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x0000003018283d6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f4f9f08bde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00000030180a0854 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00000030406d5105 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00000030180a57fe in QThreadPrivate::start(void*) (arg=0x1a382c0) at thread/qthread_unix.cpp:331
#9  0x0000003000c07454 in start_thread (arg=0x7f4f9f08c700) at pthread_create.c:334
#10 0x00000030004e8edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f4f94d1b700 (LWP 4463)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x19dbd00) at thread/qwaitcondition_unix.cpp:136
#2  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x192d440, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4f9ce8f02b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x19f0cc0, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f4f9ce8fddf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x19f0cc0, th=th@entry=0x22e9740, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f4f9ce94038 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x22e9740, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x22e9740, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f4f9ce94092 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x22e9740, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x22e9740, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f4f9ce91ea3 in ThreadWeaver::Thread::run() (this=0x22e9740) at ../../src/thread.cpp:103
#10 0x00000030180a57fe in QThreadPrivate::start(void*) (arg=0x22e9740) at thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f4f94d1b700) at pthread_create.c:334
#12 0x00000030004e8edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f4f8ffff700 (LWP 4464)):
[KCrash Handler]
#6  0x00000030dd603c14 in  () at /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#7  0x00000030dd604db4 in mdb_txn_begin () at /usr/lib/x86_64-linux-gnu/liblmdb.so.0
#8  0x00000030c182101e in  () at /usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#9  0x00000030c180fff2 in Baloo::Query::exec() () at /usr/lib/x86_64-linux-gnu/libKF5Baloo.so.5
#10 0x00007f4f9c50cf2f in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_baloosearchrunner.so
#11 0x00007f4f9c50d879 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_baloosearchrunner.so
#12 0x00007f4f9d0aff40 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) (this=0x23188b0, localContext=...) at ../../src/abstractrunner.cpp:131
#13 0x00007f4f9ce937e0 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) (this=<optimized out>, job=..., thread=<optimized out>) at ../../src/executor.cpp:52
#14 0x00007f4f9ce92330 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) (this=<optimized out>, self=..., th=0x22e9130) at ../../src/job.cpp:83
#15 0x00007f4f9ce91dda in ThreadWeaver::Thread::run() (this=0x22e9130) at ../../src/thread.cpp:114
#16 0x00000030180a57fe in QThreadPrivate::start(void*) (arg=0x22e9130) at thread/qthread_unix.cpp:331
#17 0x0000003000c07454 in start_thread (arg=0x7f4f8ffff700) at pthread_create.c:334
#18 0x00000030004e8edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f4f8f7fe700 (LWP 4465)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x19dbd00) at thread/qwaitcondition_unix.cpp:136
#2  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x192d440, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4f9ce8f02b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x19f0cc0, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f4f9ce8fddf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x19f0cc0, th=th@entry=0x22b9d80, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f4f9ce94038 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x22b9d80, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x22b9d80, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f4f9ce94092 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x22b9d80, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x22b9d80, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f4f9ce91ea3 in ThreadWeaver::Thread::run() (this=0x22b9d80) at ../../src/thread.cpp:103
#10 0x00000030180a57fe in QThreadPrivate::start(void*) (arg=0x22b9d80) at thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f4f8f7fe700) at pthread_create.c:334
#12 0x00000030004e8edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f4f8effd700 (LWP 4466)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x19dbd00) at thread/qwaitcondition_unix.cpp:136
#2  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x192d440, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4f9ce8f02b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x19f0cc0, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f4f9ce8fddf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x19f0cc0, th=th@entry=0x22f3130, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f4f9ce94038 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x22f3130, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x22f3130, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f4f9ce94092 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x22f3130, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x22f3130, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f4f9ce91ea3 in ThreadWeaver::Thread::run() (this=0x22f3130) at ../../src/thread.cpp:103
#10 0x00000030180a57fe in QThreadPrivate::start(void*) (arg=0x22f3130) at thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f4f8effd700) at pthread_create.c:334
#12 0x00000030004e8edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f4f8e7fc700 (LWP 4467)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x19dbd00) at thread/qwaitcondition_unix.cpp:136
#2  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x192d440, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4f9ce8f02b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x19f0cc0, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f4f9ce8fddf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x19f0cc0, th=th@entry=0x7f4f90002d90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f4f9ce94038 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x7f4f90002d90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7f4f90002d90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f4f9ce94092 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x7f4f90002d90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7f4f90002d90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f4f9ce91ea3 in ThreadWeaver::Thread::run() (this=0x7f4f90002d90) at ../../src/thread.cpp:103
#10 0x00000030180a57fe in QThreadPrivate::start(void*) (arg=0x7f4f90002d90) at thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f4f8e7fc700) at pthread_create.c:334
#12 0x00000030004e8edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f4f8dffb700 (LWP 4468)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x19dbd00) at thread/qwaitcondition_unix.cpp:136
#2  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x192d440, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4f9ce8f02b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x19f0cc0, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f4f9ce8fddf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x19f0cc0, th=th@entry=0x22d3660, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f4f9ce94038 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x22d3660, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x22d3660, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f4f9ce94092 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x22d3660, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x22d3660, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f4f9ce91ea3 in ThreadWeaver::Thread::run() (this=0x22d3660) at ../../src/thread.cpp:103
#10 0x00000030180a57fe in QThreadPrivate::start(void*) (arg=0x22d3660) at thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f4f8dffb700) at pthread_create.c:334
#12 0x00000030004e8edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f4f8d7fa700 (LWP 4469)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x19dbd00) at thread/qwaitcondition_unix.cpp:136
#2  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x192d440, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4f9ce8f02b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x19f0cc0, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f4f9ce8fddf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x19f0cc0, th=th@entry=0x7f4f88002f90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f4f9ce94038 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x7f4f88002f90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7f4f88002f90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f4f9ce94092 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x7f4f88002f90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7f4f88002f90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f4f9ce91ea3 in ThreadWeaver::Thread::run() (this=0x7f4f88002f90) at ../../src/thread.cpp:103
#10 0x00000030180a57fe in QThreadPrivate::start(void*) (arg=0x7f4f88002f90) at thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f4f8d7fa700) at pthread_create.c:334
#12 0x00000030004e8edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f4f8cff9700 (LWP 4470)):
#0  0x0000003000c0d04f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x19dbd00) at thread/qwaitcondition_unix.cpp:136
#2  0x00000030180a6a9b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x192d440, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f4f9ce8f02b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x19f0cc0, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007f4f9ce8fddf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x19f0cc0, th=th@entry=0x7f4f74002d90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007f4f9ce94038 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x7f4f74002d90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7f4f74002d90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007f4f9ce94092 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x1977180, th=0x7f4f74002d90, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:73
#8  0x00007f4f9ce8ef8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7f4f74002d90, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#9  0x00007f4f9ce91ea3 in ThreadWeaver::Thread::run() (this=0x7f4f74002d90) at ../../src/thread.cpp:103
#10 0x00000030180a57fe in QThreadPrivate::start(void*) (arg=0x7f4f74002d90) at thread/qthread_unix.cpp:331
#11 0x0000003000c07454 in start_thread (arg=0x7f4f8cff9700) at pthread_create.c:334
#12 0x00000030004e8edd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f4faa0cf7c0 (LWP 4152)):
#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=0x16d2470, cond=cond@entry=0x7ffdabde07e0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:427
#2  0x000000300340bd37 in wait_for_reply (c=c@entry=0x16d2470, request=1091, e=e@entry=0x0) at ../../src/xcb_in.c:516
#3  0x000000300340be41 in xcb_wait_for_reply (c=0x16d2470, request=1091, e=e@entry=0x0) at ../../src/xcb_in.c:546
#4  0x00000030034106e5 in xcb_get_property_reply (c=<optimized out>, cookie=..., e=e@entry=0x0) at xproto.c:2566
#5  0x0000003029639440 in get_array_reply<unsigned int>(xcb_connection_t*, xcb_get_property_cookie_t, unsigned int) (c=<optimized out>, cookie=..., cookie@entry=..., type=type@entry=33) at ../../src/platforms/xcb/netwm.cpp:213
#6  0x0000003029631c81 in NETRootInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) (this=0x198aed0, properties=..., properties@entry=..., properties2=..., properties2@entry=...) at ../../src/platforms/xcb/netwm.cpp:1989
#7  0x0000003029632a14 in NETRootInfo::event(xcb_generic_event_t*, QFlags<NET::Property>*, QFlags<NET::Property2>*) (this=this@entry=0x198aed0, event=event@entry=0x7f4fa4004780, properties=properties@entry=0x7ffdabde0e00, properties2=properties2@entry=0x7ffdabde0e10) at ../../src/platforms/xcb/netwm.cpp:1884
#8  0x0000003029632d32 in NETRootInfo::event(xcb_generic_event_t*, unsigned long*, int) (this=this@entry=0x198aed0, ev=ev@entry=0x7f4fa4004780, properties=properties@entry=0x7ffdabde0eb0, properties_size=properties_size@entry=5) at ../../src/platforms/xcb/netwm.cpp:1669
#9  0x00007f4f9ff38e57 in NETEventFilter::nativeEventFilter(xcb_generic_event_t*) (this=0x198aed0, ev=0x7f4fa4004780) at ../../../../src/platforms/xcb/kwindowsystem.cpp:199
#10 0x0000003018282f1f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) (this=<optimized out>, eventType=..., message=message@entry=0x7f4fa4004780, result=result@entry=0x7ffdabde0f78) at kernel/qabstracteventdispatcher.cpp:460
#11 0x00007f4fa9e70204 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) (this=this@entry=0x16d0cd0, event=event@entry=0x7f4fa4004780) at qxcbconnection.cpp:1021
#12 0x00007f4fa9e70fb3 in QXcbConnection::processXcbEvents() (this=0x16d0cd0) at qxcbconnection.cpp:1509
#13 0x00000030182b5e61 in QObject::event(QEvent*) (this=0x16d0cd0, e=<optimized out>) at kernel/qobject.cpp:1239
#14 0x000000301db5affc in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x16c3d10, receiver=receiver@entry=0x16d0cd0, e=e@entry=0x7f4fa4005d30) at kernel/qapplication.cpp:3716
#15 0x000000301db604b6 in QApplication::notify(QObject*, QEvent*) (this=0x7ffdabde1670, receiver=0x16d0cd0, e=0x7f4fa4005d30) at kernel/qapplication.cpp:3499
#16 0x00000030182865ab in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffdabde1670, receiver=0x16d0cd0, event=event@entry=0x7f4fa4005d30) at kernel/qcoreapplication.cpp:965
#17 0x00000030182889a6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0x7f4fa4005d30, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#18 0x00000030182889a6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x16c2710) at kernel/qcoreapplication.cpp:1593
#19 0x0000003018288e88 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#20 0x00000030182dc633 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x1713590) at kernel/qeventdispatcher_glib.cpp:271
#21 0x0000003004449fd7 in g_main_context_dispatch (context=0x7f4fa40016f0) at /build/glib2.0-2.46.2/./glib/gmain.c:3154
#22 0x0000003004449fd7 in g_main_context_dispatch (context=context@entry=0x7f4fa40016f0) at /build/glib2.0-2.46.2/./glib/gmain.c:3769
#23 0x000000300444a230 in g_main_context_iterate (context=context@entry=0x7f4fa40016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-2.46.2/./glib/gmain.c:3840
#24 0x000000300444a2dc in g_main_context_iteration (context=0x7f4fa40016f0, may_block=may_block@entry=1) at /build/glib2.0-2.46.2/./glib/gmain.c:3901
#25 0x00000030182dca3f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x171a5c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#26 0x0000003018283d6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffdabde15a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#27 0x000000301828be0c in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1229
#28 0x0000000000407671 in main ()

Possible duplicates by query: bug 360727, bug 360696, bug 360694.

Reported using DrKonqi