Application: plasmashell ()

Qt Version: 5.4.2
Operating System: Linux 3.19.0-rc6-1.g5dca9d9-desktop x86_64
Distribution: "openSUSE 20150129 (Tumbleweed) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:

this can usually happen after package upgrade, otherwise it works fine. using master

The crash can be reproduced sometimes.

-- Backtrace:
Application: plasmashell (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f35d31587c0 (LWP 21333))]

Thread 36 (Thread 0x7f35bcf7c700 (LWP 21335)):
#0  0x00007f35cce7e4ad in poll () at /lib64/libc.so.6
#1  0x00007f35d1a4f362 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f35d1a50e2f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f35bf307c29 in QXcbEventReader::run() (this=0xaaf1e0) at qxcbconnection.cpp:1099
#4  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0xaaf1e0) at thread/qthread_unix.cpp:337
#5  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 35 (Thread 0x7f35b69af700 (LWP 21339)):
#0  0x00007f35c919f8e9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915cdf8 in g_main_context_release () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915db91 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35b00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f35b69aedf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0xba8180) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0xba8180) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0xba8180) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 34 (Thread 0x7f35aa1a3700 (LWP 21357)):
#0  0x00007f35cc48885f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f35af8d2a73 in  () at /usr/lib64/dri/r600_dri.so
#2  0x00007f35af8d2327 in  () at /usr/lib64/dri/r600_dri.so
#3  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 33 (Thread 0x7f35a46b4700 (LWP 21367)):
#0  0x00007f35c915d280 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915db03 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f359c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f35a46b3df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0xb7e870) at thread/qthread.cpp:503
#6  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0xb7e870) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0xb7e870) at thread/qthread_unix.cpp:337
#8  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 32 (Thread 0x7f35a1b20700 (LWP 21371)):
#0  0x00007fffad890b26 in clock_gettime ()
#1  0x00007f35cce9346d in clock_gettime () at /lib64/libc.so.6
#2  0x00007f35cd5a0c36 in qt_gettime() (ts=0x7f35a1b1fb80, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  0x00007f35cd5a0c36 in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  0x00007f35cd5a0c36 in qt_gettime() () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007f35cd71e7e9 in QTimerInfoList::updateCurrentTime() (this=this@entry=0x7f3598002ed0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f35cd71ed75 in QTimerInfoList::timerWait(timespec&) (this=0x7f3598002ed0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (timeout=0x7f35a1b1fc34, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=0x7f35a1b1fc34) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f35c915d28d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#10 0x00007f35c915db03 in  () at /usr/lib64/libglib-2.0.so.0
#11 0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#12 0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f35a1b1fdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0xe257c0) at thread/qthread.cpp:503
#15 0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0xe257c0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0xe257c0) at thread/qthread_unix.cpp:337
#17 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#18 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 31 (Thread 0x7f35a0a4f700 (LWP 21372)):
#0  0x00007f35cce7e4ad in poll () at /lib64/libc.so.6
#1  0x00007f35c915dbe4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f358c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f35a0a4edf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x10f4b90) at thread/qthread.cpp:503
#6  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x10f4b90) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x10f4b90) at thread/qthread_unix.cpp:337
#8  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 30 (Thread 0x7f35937ff700 (LWP 21373)):
#0  0x00007f35c915da8d in  () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#3  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f35937fedf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x120ba70) at thread/qthread.cpp:503
#5  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x120ba70) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#6  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x120ba70) at thread/qthread_unix.cpp:337
#7  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 29 (Thread 0x7f35927fe700 (LWP 21374)):
#0  0x00007f35cce92e2f in __libc_enable_asynccancel () at /lib64/libc.so.6
#1  0x00007f35cce7e4a2 in poll () at /lib64/libc.so.6
#2  0x00007f35c915dbe4 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f35927fddf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x12cb240) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x12cb240) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x12cb240) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 28 (Thread 0x7f359173d700 (LWP 21375)):
#0  0x00007f35cce7e4ad in poll () at /lib64/libc.so.6
#1  0x00007f35c915dbe4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35840008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f359173cdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x13baff0) at thread/qthread.cpp:503
#6  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x13baff0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x13baff0) at thread/qthread_unix.cpp:337
#8  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 27 (Thread 0x7f357ffff700 (LWP 21376)):
#0  0x00007fffad890b26 in clock_gettime ()
#1  0x00007f35cce9346d in clock_gettime () at /lib64/libc.so.6
#2  0x00007f35cd5a0c36 in qt_gettime() (ts=0x7f357fffeb80, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  0x00007f35cd5a0c36 in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  0x00007f35cd5a0c36 in qt_gettime() () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007f35cd71e7e9 in QTimerInfoList::updateCurrentTime() (this=this@entry=0x7f35780030d0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f35cd71ed75 in QTimerInfoList::timerWait(timespec&) (this=0x7f35780030d0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (timeout=0x7f357fffec34, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=0x7f357fffec34) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f35c915d28d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#10 0x00007f35c915db03 in  () at /usr/lib64/libglib-2.0.so.0
#11 0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#12 0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f357fffedf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x14af590) at thread/qthread.cpp:503
#15 0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x14af590) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x14af590) at thread/qthread_unix.cpp:337
#17 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#18 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 26 (Thread 0x7f357effe700 (LWP 21377)):
#0  0x00007f35c919f8e9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915d47b in g_main_context_query () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915db52 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f357effddf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x15b1290) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x15b1290) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x15b1290) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 25 (Thread 0x7f357dffd700 (LWP 21378)):
#0  0x00007f35c919f8e9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915d66c in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f357dffcdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x16c73b0) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x16c73b0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x16c73b0) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 24 (Thread 0x7f357cffc700 (LWP 21379)):
#0  0x00007f35cce7a57d in read () at /lib64/libc.so.6
#1  0x00007f35c919e750 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915d714 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f357cffbdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x1793170) at thread/qthread.cpp:503
#8  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x1793170) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x1793170) at thread/qthread_unix.cpp:337
#10 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 23 (Thread 0x7f356f7ff700 (LWP 21380)):
#0  0x00007f35c915d66c in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f356f7fedf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x18aa270) at thread/qthread.cpp:503
#6  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x18aa270) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x18aa270) at thread/qthread_unix.cpp:337
#8  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 22 (Thread 0x7f356e7fe700 (LWP 21381)):
#0  0x00007f35cd720ad5 in idleTimerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=0x7f356e7fdc34) at kernel/qeventdispatcher_glib.cpp:202
#1  0x00007f35c915d28d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915db03 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f355c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f356e7fddf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x196a130) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x196a130) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x196a130) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7f356d5f5700 (LWP 21383)):
#0  0x00007f35c919f8e9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915d66c in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x1a59a40, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f356d5f4df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x1a65780) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x1a65780) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x1a65780) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7f3563fff700 (LWP 21385)):
#0  0x00007f35c919f904 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915d659 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f355c003320, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f3563ffedf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x1b60420) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x1b60420) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x1b60420) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7f3562ffe700 (LWP 21386)):
#0  0x00007f35cd4e731a in QMutex::lock() (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x1c4a0b8: 0x1) at ../../src/corelib/arch/qatomic_x86.h:259
#1  0x00007f35cd4e731a in QMutex::lock() (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x1c4a0b8: 0x1) at ../../src/corelib/thread/qgenericatomic.h:166
#2  0x00007f35cd4e731a in QMutex::lock() (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, this=0x1c4a0b8, this@entry=0x1) at ../../src/corelib/thread/qbasicatomic.h:270
#3  0x00007f35cd4e731a in QMutex::lock() (current=<synthetic pointer>, this=0x1c4a0b8, this@entry=0x1) at thread/qmutex.h:82
#4  0x00007f35cd4e731a in QMutex::lock() (this=this@entry=0x1c4a0b8) at thread/qmutex.cpp:212
#5  0x00007f35cd720cb5 in postEventSourceCheck(GSource*) (m=0x1c4a0b8, this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:128
#6  0x00007f35cd720cb5 in postEventSourceCheck(GSource*) (this=0x1c4a090) at ../../src/corelib/thread/qthread_p.h:243
#7  0x00007f35cd720cb5 in postEventSourceCheck(GSource*) (timeout=<synthetic pointer>, s=0x7f3564005300) at kernel/qeventdispatcher_glib.cpp:254
#8  0x00007f35cd720cb5 in postEventSourceCheck(GSource*) (source=0x7f3564005300) at kernel/qeventdispatcher_glib.cpp:264
#9  0x00007f35c915d661 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#10 0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#11 0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#12 0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f3564003320, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f3562ffddf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x1c54670) at thread/qthread.cpp:503
#15 0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x1c54670) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x1c54670) at thread/qthread_unix.cpp:337
#17 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#18 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f3561ffd700 (LWP 21387)):
#0  0x00007f35cce7a57d in read () at /lib64/libc.so.6
#1  0x00007f35c919e750 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915d714 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f3568002b20, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f3561ffcdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x1d51220) at thread/qthread.cpp:503
#8  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x1d51220) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x1d51220) at thread/qthread_unix.cpp:337
#10 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f3560ffc700 (LWP 21388)):
#0  0x00007f35cce92e92 in __libc_disable_asynccancel () at /lib64/libc.so.6
#1  0x00007f35cce7e4b9 in poll () at /lib64/libc.so.6
#2  0x00007f35c915dbe4 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35740031e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f3560ffbdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x1e405f0) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x1e405f0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x1e405f0) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f355b7ff700 (LWP 21389)):
#0  0x00007f35cc48885f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f35d284a47b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f35d284a4a9 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f34d9d12700 (LWP 21394)):
#0  0x00007f35c915af99 in  () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915d22b in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915db03 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f3578003320, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34d9d11df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x21d5f90) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x21d5f90) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x21d5f90) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f34d845e700 (LWP 21397)):
#0  0x00007f35c919f904 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915d620 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f3584002f20, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34d845ddb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x2275ef0) at thread/qthread.cpp:503
#7  0x00007f35d0b9d032 in QQuickPixmapReader::run() (this=0x2275ef0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/quick/util/qquickpixmapcache.cpp:712
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x2275ef0) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f34d74fc700 (LWP 21398)):
#0  0x00007fffad890b26 in clock_gettime ()
#1  0x00007f35cce9346d in clock_gettime () at /lib64/libc.so.6
#2  0x00007f35cd5a0c36 in qt_gettime() (ts=0x7f34d74fbb80, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  0x00007f35cd5a0c36 in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  0x00007f35cd5a0c36 in qt_gettime() () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007f35cd71e7e9 in QTimerInfoList::updateCurrentTime() (this=this@entry=0x7f3580003ad0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f35cd71ed75 in QTimerInfoList::timerWait(timespec&) (this=0x7f3580003ad0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (timeout=0x7f34d74fbc34, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=0x7f34d74fbc34) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f35c915d28d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#10 0x00007f35c915db03 in  () at /usr/lib64/libglib-2.0.so.0
#11 0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#12 0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f3580002f20, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34d74fbdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0xab9530) at thread/qthread.cpp:503
#15 0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0xab9530) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0xab9530) at thread/qthread_unix.cpp:337
#17 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#18 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f34d3020700 (LWP 21403)):
#0  0x00007f35cce7e4ad in poll () at /lib64/libc.so.6
#1  0x00007f35c915dbe4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35880085e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34d301fdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x2dad540) at thread/qthread.cpp:503
#6  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x2dad540) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x2dad540) at thread/qthread_unix.cpp:337
#8  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f34d1f1d700 (LWP 21404)):
#0  0x00007f35cce7a57d in read () at /lib64/libc.so.6
#1  0x00007f35c919e750 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915d714 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f358c0081e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34d1f1cdf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x2df3780) at thread/qthread.cpp:503
#8  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x2df3780) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x2df3780) at thread/qthread_unix.cpp:337
#10 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f34d0e1a700 (LWP 21405)):
#0  0x00007f35c919f904 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915d7da in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915dc48 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f3598026170, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34d0e19df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x2f15e30) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x2f15e30) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x2f15e30) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f34cfd17700 (LWP 21406)):
#0  0x00007f35cd4e736a in QMutex::lock() (this=this@entry=0x2fdd298) at thread/qmutex.cpp:218
#1  0x00007f35cd7200e5 in postEventSourcePrepare(GSource*, gint*) (m=0x2fdd298, this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:128
#2  0x00007f35cd7200e5 in postEventSourcePrepare(GSource*, gint*) (this=0x2fdd270) at ../../src/corelib/thread/qthread_p.h:243
#3  0x00007f35cd7200e5 in postEventSourcePrepare(GSource*, gint*) (s=0x7f3594003980, timeout=0x7f34cfd16c34) at kernel/qeventdispatcher_glib.cpp:254
#4  0x00007f35c915d28d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f35c915db03 in  () at /usr/lib64/libglib-2.0.so.0
#6  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#7  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35940013a0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34cfd16df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x2fdd0c0) at thread/qthread.cpp:503
#10 0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x2fdd0c0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#11 0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x2fdd0c0) at thread/qthread_unix.cpp:337
#12 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f34cec14700 (LWP 21407)):
#0  0x00007fffad890b26 in clock_gettime ()
#1  0x00007f35cce9346d in clock_gettime () at /lib64/libc.so.6
#2  0x00007f35cd5a0c36 in qt_gettime() (ts=0x7f34cec13b80, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  0x00007f35cd5a0c36 in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  0x00007f35cd5a0c36 in qt_gettime() () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007f35cd71e7e9 in QTimerInfoList::updateCurrentTime() (this=this@entry=0x7f359c007f80) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f35cd71ed75 in QTimerInfoList::timerWait(timespec&) (this=0x7f359c007f80, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (timeout=0x7f34cec13c34, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=0x7f34cec13c34) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f35c915d28d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#10 0x00007f35c915db03 in  () at /usr/lib64/libglib-2.0.so.0
#11 0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#12 0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f359c0013e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34cec13df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x30c1b10) at thread/qthread.cpp:503
#15 0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x30c1b10) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x30c1b10) at thread/qthread_unix.cpp:337
#17 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#18 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f34cdb11700 (LWP 21408)):
#0  0x00007f35c919f904 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915d620 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35b007abc0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34cdb10df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x31ae110) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x31ae110) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x31ae110) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f34cca0e700 (LWP 21409)):
#0  0x00007f35cce7a57d in read () at /lib64/libc.so.6
#1  0x00007f35c919e750 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915d714 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f35b8004e30, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34cca0ddf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x32cc8f0) at thread/qthread.cpp:503
#8  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x32cc8f0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x32cc8f0) at thread/qthread_unix.cpp:337
#10 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f34cb90b700 (LWP 21410)):
#0  0x00007fffad890b26 in clock_gettime ()
#1  0x00007f35cce9346d in clock_gettime () at /lib64/libc.so.6
#2  0x00007f35cd5a0c36 in qt_gettime() (ts=0x7f34cb90ab80, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  0x00007f35cd5a0c36 in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  0x00007f35cd5a0c36 in qt_gettime() () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007f35cd71e7e9 in QTimerInfoList::updateCurrentTime() (this=this@entry=0x3392360) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f35cd71ed75 in QTimerInfoList::timerWait(timespec&) (this=0x3392360, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (timeout=0x7f34cb90ac34, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=0x7f34cb90ac34) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f35c915d28d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#10 0x00007f35c915db03 in  () at /usr/lib64/libglib-2.0.so.0
#11 0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#12 0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x338cdd0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34cb90adf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x338d1e0) at thread/qthread.cpp:503
#15 0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x338d1e0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x338d1e0) at thread/qthread_unix.cpp:337
#17 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#18 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f34c865b700 (LWP 21415)):
#0  0x00007fffad890b26 in clock_gettime ()
#1  0x00007f35cce9346d in clock_gettime () at /lib64/libc.so.6
#2  0x00007f35cd5a0c36 in qt_gettime() (ts=0x7f34c865ab80, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  0x00007f35cd5a0c36 in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  0x00007f35cd5a0c36 in qt_gettime() () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007f35cd71e7e9 in QTimerInfoList::updateCurrentTime() (this=this@entry=0x7f355c0066d0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f35cd71ed75 in QTimerInfoList::timerWait(timespec&) (this=0x7f355c0066d0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (timeout=0x7f34c865ac34, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  0x00007f35cd71ff8e in timerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=0x7f34c865ac34) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f35c915d28d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#10 0x00007f35c915db03 in  () at /usr/lib64/libglib-2.0.so.0
#11 0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#12 0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f355c003ce0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34c865adf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x408d2c0) at thread/qthread.cpp:503
#15 0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x408d2c0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x408d2c0) at thread/qthread_unix.cpp:337
#17 0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#18 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f34c765a700 (LWP 21416)):
#0  0x00007f35c919f8e0 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f35c915d52e in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f35c915db7b in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35c915dcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f35cd7201bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f356400a560, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f35cd6c6dab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f34c7659df0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f35cd4e9d1a in QThread::exec() (this=this@entry=0x4147bb0) at thread/qthread.cpp:503
#7  0x00007f35d0748f68 in QQmlThreadPrivate::run() (this=0x4147bb0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007f35cd4ee94f in QThreadPrivate::start(void*) (arg=0x4147bb0) at thread/qthread_unix.cpp:337
#9  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f34bbfe0700 (LWP 21445)):
#0  0x00007f35cc4822f0 in __pthread_mutex_unlock_full () at /lib64/libpthread.so.0
#1  0x00007f35c24e9b1e in pa_mutex_unlock () at /usr/lib64/pulseaudio/libpulsecommon-5.99.so
#2  0x00007f35c2d5c703 in  () at /usr/lib64/libpulse.so.0
#3  0x00007f35c2d4df1c in pa_mainloop_poll () at /usr/lib64/libpulse.so.0
#4  0x00007f35c2d4e58e in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#5  0x00007f35c2d4e640 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#6  0x00007f35c2d5c6c3 in  () at /usr/lib64/libpulse.so.0
#7  0x00007f35c24ea898 in  () at /usr/lib64/pulseaudio/libpulsecommon-5.99.so
#8  0x00007f35cc4843a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f35cce86a4d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f35d31587c0 (LWP 21333)):
[KCrash Handler]
#5  0x00007f35cdc03b27 in QWindow::geometry() const (this=this@entry=0x1f41f40) at kernel/qwindow.cpp:1445
#6  0x0000000000451b82 in ShellCorona::availableScreenRect(int) const (this=0xb54000, id=0) at /usr/src/debug/plasma-workspace-5.2.90git/shell/shellcorona.cpp:614
#7  0x00007f35a1b385db in ContainmentInterface::availableScreenRect() const (this=this@entry=0x1e35e90) at /usr/src/debug/plasma-framework-5.7.0git/src/scriptengines/qml/plasmoid/containmentinterface.cpp:210
#8  0x00007f35a1b41388 in ContainmentInterface::qt_metacall(QMetaObject::Call, int, void**) (this=0x1e35e90, _c=<optimized out>, _id=5, _a=0x7fffad81ae90) at /usr/src/debug/plasma-framework-5.7.0git/build/src/scriptengines/qml/moc_containmentinterface.cpp:381
#9  0x00007f35d06fd319 in QQmlValueTypeBase<QRect>::read(QObject*, int) (p=0x20fbcb4, idx=<optimized out>, obj=<optimized out>, this=0x20fbca0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/qqmlvaluetype_p.h:86
#10 0x00007f35d06fd319 in QQmlValueTypeBase<QRect>::read(QObject*, int) (this=0x20fbca0, obj=<optimized out>, idx=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/qqmlvaluetype_p.h:114
#11 0x00007f35d073cf38 in readReferenceValue(QmlValueTypeReference const*) (reference=reference@entry=0x7f356c37a3c0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/qqmlvaluetypewrapper.cpp:125
#12 0x00007f35d073d21e in QV4::QmlValueTypeWrapper::get(QV4::Managed*, QV4::String*, bool*) (m=0x7f356c37a3c0, name=0x7f356c317c40, hasProperty=0x0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/qml/qqmlvaluetypewrapper.cpp:275
#13 0x00007f35d069d177 in QV4::Runtime::getProperty(QV4::ExecutionContext*, QV4::ValueRef, QV4::String*) (hasProperty=0x0, name=0x7f356c317c40, this=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4object_p.h:252
#14 0x00007f35d069d177 in QV4::Runtime::getProperty(QV4::ExecutionContext*, QV4::ValueRef, QV4::String*) (ctx=0x7fffad81b100, object=..., name=0x7f356c317c40) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/qml/jsruntime/qv4runtime.cpp:654
#15 0x00007f356c0a2dae in  ()
#16 0x0000000000430560 in QObject::disconnectNotify(QMetaMethod const&)@plt ()
#17 0x00007f35d0bd2d3c in QSGBatchRenderer::Renderer::nodeWasRemoved(QSGBatchRenderer::Node*) (this=0x7fffad81b0a0, node=0x4288f10) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:1060
#18 0x00007f35d0bd2d3c in QSGBatchRenderer::Renderer::nodeWasRemoved(QSGBatchRenderer::Node*) (this=0x7f356c3a5000, node=0x4288e80) at /usr/src/debug/qtdeclarative-opensource-src-5.4.2/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:1060
#19 0x00000004d0bd2d3e in  ()
#20 0x0000000000000000 in  ()

Reported using DrKonqi