Application: plasmashell ()

Qt Version: 5.3.2
Operating System: Linux 3.17.4-1-desktop i686
Distribution: "openSUSE 20141208 (Tumbleweed) (i586)"

-- Information about the crash:
- What I was doing when the application crashed:
1. plug in usb-stick
2. mount via device notifier
3. unmount via device notifier
crash

The crash can be reproduced sometimes.

-- Backtrace:
Application: plasmashell (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb39f9740 (LWP 12651))]

Thread 40 (Thread 0xb1e76b40 (LWP 12653)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in  () at /usr/lib/libxcb.so.1
#3  0xffffffff in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#4  0xffffffff in QXcbEventReader::run() (this=0x8f6d4c8) at qxcbconnection.cpp:1046
#5  0xffffffff in QThreadPrivate::start(void*) (arg=0x8f6d4c8) at thread/qthread_unix.cpp:345
#6  0xffffffff in start_thread () at /lib/libpthread.so.0
#7  0xffffffff in clone () at /lib/libc.so.6

Thread 39 (Thread 0xb083eb40 (LWP 12655)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in clock_gettime () at /lib/libc.so.6
#2  0xffffffff in qt_gettime() (ts=0xb083dfe8, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:113
#3  0xffffffff in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:169
#4  0xffffffff in qt_gettime() () at tools/qelapsedtimer_unix.cpp:178
#5  0xffffffff in QTimerInfoList::updateCurrentTime() (this=this@entry=0xaff0269c) at kernel/qtimerinfo_unix.cpp:92
#6  0xffffffff in QTimerInfoList::timerWait(timespec&) (this=this@entry=0xaff0269c, tm=...) at kernel/qtimerinfo_unix.cpp:387
#7  0xffffffff in timerSourcePrepare(GSource*, gint*) (timeout=0xb083e0ec, src=0xaff02668) at kernel/qeventdispatcher_glib.cpp:135
#8  0xffffffff in timerSourcePrepare(GSource*, gint*) (source=0xaff02668, timeout=0xb083e0ec) at kernel/qeventdispatcher_glib.cpp:168
#9  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#10 0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#11 0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#12 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xaff00468, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#13 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xb083e278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#14 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xb083e278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#15 0xffffffff in QThread::exec() (this=0x90059d0) at thread/qthread.cpp:511
#16 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#17 0xffffffff in QThreadPrivate::start(void*) (arg=0x90059d0) at thread/qthread_unix.cpp:345
#18 0xffffffff in start_thread () at /lib/libpthread.so.0
#19 0xffffffff in clone () at /lib/libc.so.6

Thread 38 (Thread 0xae672b40 (LWP 12668)):
#0  0xffffffff in idleTimerSourceCheck(GSource*) (source=0xadd028d0) at kernel/qeventdispatcher_glib.cpp:227
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xadd00468, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xae672278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xae672278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0x91a1990) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0x91a1990) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 37 (Thread 0xac268b40 (LWP 12669)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xadb00468, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xac268278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xac268278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#8  0xffffffff in QThread::exec() (this=0x91e9fa8) at thread/qthread.cpp:511
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in QThreadPrivate::start(void*) (arg=0x91e9fa8) at thread/qthread_unix.cpp:345
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 36 (Thread 0xab267b40 (LWP 12670)):
#0  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xaa900468, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xab267278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xab267278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#6  0xffffffff in QThread::exec() (this=0x9152d38) at thread/qthread.cpp:511
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in QThreadPrivate::start(void*) (arg=0x9152d38) at thread/qthread_unix.cpp:345
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 35 (Thread 0xaa0ffb40 (LWP 12671)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xa9700468, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xaa0ff278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xaa0ff278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#8  0xffffffff in QThread::exec() (this=0x93ed8d0) at thread/qthread.cpp:511
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in QThreadPrivate::start(void*) (arg=0x93ed8d0) at thread/qthread_unix.cpp:345
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 34 (Thread 0xa8effb40 (LWP 12672)):
#0  0xffffffff in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x948472c: 0x0) at ../../src/corelib/arch/qatomic_x86.h:267
#1  0xffffffff in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x948472c: 0x0) at ../../src/corelib/thread/qgenericatomic.h:183
#2  0xffffffff in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, this=0x948472c) at ../../src/corelib/thread/qbasicatomic.h:286
#3  0xffffffff in QMutex::unlock() (current=<synthetic pointer>, this=0x948472c) at thread/qmutex.h:93
#4  0xffffffff in QMutex::unlock() (this=this@entry=0x948472c) at thread/qmutex.cpp:272
#5  0xffffffff in postEventSourceCheck(GSource*) (this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:146
#6  0xffffffff in postEventSourceCheck(GSource*) (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../src/corelib/thread/qmutex.h:140
#7  0xffffffff in postEventSourceCheck(GSource*) (this=<optimized out>) at ../../src/corelib/thread/qthread_p.h:249
#8  0xffffffff in postEventSourceCheck(GSource*) (timeout=<synthetic pointer>, s=0xa8500da0) at kernel/qeventdispatcher_glib.cpp:262
#9  0xffffffff in postEventSourceCheck(GSource*) (source=0xa8500da0) at kernel/qeventdispatcher_glib.cpp:272
#10 0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#11 0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#12 0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#13 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xa8500468, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#14 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa8eff278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#15 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa8eff278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#16 0xffffffff in QThread::exec() (this=0x947a5f8) at thread/qthread.cpp:511
#17 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#18 0xffffffff in QThreadPrivate::start(void*) (arg=0x947a5f8) at thread/qthread_unix.cpp:345
#19 0xffffffff in start_thread () at /lib/libpthread.so.0
#20 0xffffffff in clone () at /lib/libc.so.6

Thread 33 (Thread 0xa7cffb40 (LWP 12673)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in clock_gettime () at /lib/libc.so.6
#2  0xffffffff in qt_gettime() (ts=0xa7cfefe8, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:113
#3  0xffffffff in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:169
#4  0xffffffff in qt_gettime() () at tools/qelapsedtimer_unix.cpp:178
#5  0xffffffff in QTimerInfoList::updateCurrentTime() (this=this@entry=0x95069f4) at kernel/qtimerinfo_unix.cpp:92
#6  0xffffffff in QTimerInfoList::timerWait(timespec&) (this=this@entry=0x95069f4, tm=...) at kernel/qtimerinfo_unix.cpp:387
#7  0xffffffff in timerSourcePrepare(GSource*, gint*) (timeout=0xa7cff0ec, src=0x95069c0) at kernel/qeventdispatcher_glib.cpp:135
#8  0xffffffff in timerSourcePrepare(GSource*, gint*) (source=0x95069c0, timeout=0xa7cff0ec) at kernel/qeventdispatcher_glib.cpp:168
#9  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#10 0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#11 0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#12 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x9504f28, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#13 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa7cff278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#14 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa7cff278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#15 0xffffffff in QThread::exec() (this=0x95056c8) at thread/qthread.cpp:511
#16 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#17 0xffffffff in QThreadPrivate::start(void*) (arg=0x95056c8) at thread/qthread_unix.cpp:345
#18 0xffffffff in start_thread () at /lib/libpthread.so.0
#19 0xffffffff in clone () at /lib/libc.so.6

Thread 32 (Thread 0xa6cfeb40 (LWP 12674)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xa8500de8, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa6cfe278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa6cfe278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#8  0xffffffff in QThread::exec() (this=0x9584ad8) at thread/qthread.cpp:511
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in QThreadPrivate::start(void*) (arg=0x9584ad8) at thread/qthread_unix.cpp:345
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 31 (Thread 0xa5c9db40 (LWP 12675)):
#0  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xa9700de8, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa5c9d278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa5c9d278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#6  0xffffffff in QThread::exec() (this=0x95e2f80) at thread/qthread.cpp:511
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in QThreadPrivate::start(void*) (arg=0x95e2f80) at thread/qthread_unix.cpp:345
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 30 (Thread 0xa4bfcb40 (LWP 12676)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in clock_gettime () at /lib/libc.so.6
#2  0xffffffff in qt_gettime() (ts=0xa4bfbfe8, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:113
#3  0xffffffff in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:169
#4  0xffffffff in qt_gettime() () at tools/qelapsedtimer_unix.cpp:178
#5  0xffffffff in QTimerInfoList::updateCurrentTime() (this=this@entry=0xaa904a34) at kernel/qtimerinfo_unix.cpp:92
#6  0xffffffff in QTimerInfoList::timerWait(timespec&) (this=this@entry=0xaa904a34, tm=...) at kernel/qtimerinfo_unix.cpp:387
#7  0xffffffff in timerSourcePrepare(GSource*, gint*) (timeout=0xa4bfc0ec, src=0xaa904a00) at kernel/qeventdispatcher_glib.cpp:135
#8  0xffffffff in timerSourcePrepare(GSource*, gint*) (source=0xaa904a00, timeout=0xa4bfc0ec) at kernel/qeventdispatcher_glib.cpp:168
#9  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#10 0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#11 0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#12 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xaa900de8, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#13 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa4bfc278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#14 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa4bfc278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#15 0xffffffff in QThread::exec() (this=0x967e800) at thread/qthread.cpp:511
#16 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#17 0xffffffff in QThreadPrivate::start(void*) (arg=0x967e800) at thread/qthread_unix.cpp:345
#18 0xffffffff in start_thread () at /lib/libpthread.so.0
#19 0xffffffff in clone () at /lib/libc.so.6

Thread 29 (Thread 0xa3afdb40 (LWP 12677)):
#0  0xffffffff in read () at /lib/libc.so.6
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xadb00de8, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa3afd278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa3afd278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#8  0xffffffff in QThread::exec() (this=0x96f7540) at thread/qthread.cpp:511
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in QThreadPrivate::start(void*) (arg=0x96f7540) at thread/qthread_unix.cpp:345
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 28 (Thread 0xa2a7cb40 (LWP 12678)):
#0  0xffffffff in timerSourceCheck(GSource*) (source=0xadd041f0) at kernel/qeventdispatcher_glib.cpp:172
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xadd0daa8, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa2a7c278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa2a7c278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0x9757e68) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0x9757e68) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 27 (Thread 0xa19dbb40 (LWP 12679)):
#0  0xffffffff in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xaff4e600, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa19db278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa19db278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#6  0xffffffff in QThread::exec() (this=0x97d62f0) at thread/qthread.cpp:511
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in QThreadPrivate::start(void*) (arg=0x97d62f0) at thread/qthread_unix.cpp:345
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 26 (Thread 0xa093ab40 (LWP 12680)):
#0  0xffffffff in pthread_getspecific () at /lib/libpthread.so.0
#1  0xffffffff in g_private_get () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_thread_self () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#6  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xb1502eb0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#7  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa093a278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#8  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xa093a278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#9  0xffffffff in QThread::exec() (this=0x985dc80) at thread/qthread.cpp:511
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#11 0xffffffff in QThreadPrivate::start(void*) (arg=0x985dc80) at thread/qthread_unix.cpp:345
#12 0xffffffff in start_thread () at /lib/libpthread.so.0
#13 0xffffffff in clone () at /lib/libc.so.6

Thread 25 (Thread 0x9f899b40 (LWP 12681)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x98ff118, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9f899278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9f899278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0x8fa3ef8) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0x8fa3ef8) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 24 (Thread 0x9e7f8b40 (LWP 12682)):
#0  0xffffffff in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xa8504f40, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9e7f8278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9e7f8278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0x9958130) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0x9958130) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 23 (Thread 0x9d757b40 (LWP 12683)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in clock_gettime () at /lib/libc.so.6
#2  0xffffffff in qt_gettime() (ts=0x9d756fe8, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:113
#3  0xffffffff in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:169
#4  0xffffffff in qt_gettime() () at tools/qelapsedtimer_unix.cpp:178
#5  0xffffffff in QTimerInfoList::updateCurrentTime() (this=this@entry=0xa97058ac) at kernel/qtimerinfo_unix.cpp:92
#6  0xffffffff in QTimerInfoList::timerWait(timespec&) (this=this@entry=0xa97058ac, tm=...) at kernel/qtimerinfo_unix.cpp:387
#7  0xffffffff in timerSourcePrepare(GSource*, gint*) (timeout=0x9d7570ec, src=0xa9705878) at kernel/qeventdispatcher_glib.cpp:135
#8  0xffffffff in timerSourcePrepare(GSource*, gint*) (source=0xa9705878, timeout=0x9d7570ec) at kernel/qeventdispatcher_glib.cpp:168
#9  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#10 0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#11 0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#12 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xa9704f40, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#13 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9d757278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#14 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9d757278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#15 0xffffffff in QThread::exec() (this=0x99f3a80) at thread/qthread.cpp:511
#16 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#17 0xffffffff in QThreadPrivate::start(void*) (arg=0x99f3a80) at thread/qthread_unix.cpp:345
#18 0xffffffff in start_thread () at /lib/libpthread.so.0
#19 0xffffffff in clone () at /lib/libc.so.6

Thread 22 (Thread 0x9c6b6b40 (LWP 12684)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xaa904b40, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9c6b6278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9c6b6278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#8  0xffffffff in QThread::exec() (this=0x9a592b0) at thread/qthread.cpp:511
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in QThreadPrivate::start(void*) (arg=0x9a592b0) at thread/qthread_unix.cpp:345
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 21 (Thread 0x9b615b40 (LWP 12685)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xadb043f0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9b615278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9b615278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0x9ae0b70) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0x9ae0b70) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 20 (Thread 0x9a574b40 (LWP 12686)):
#0  0xffffffff in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xadd0dba0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9a574278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9a574278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0x9b58378) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0x9b58378) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 19 (Thread 0x994d3b40 (LWP 12687)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xaff5ad10, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x994d3278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x994d3278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0x9bf44f8) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0x9bf44f8) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 18 (Thread 0x98432b40 (LWP 12688)):
#0  0xffffffff in update_get_addr () at /lib/ld-linux.so.2
#1  0xffffffff in QThreadData::current(bool) () at thread/qthread_unix.cpp:189
#2  0xffffffff in QThreadData::current(bool) (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:220
#3  0xffffffff in postEventSourcePrepare(GSource*, gint*) (s=0xb1505378, timeout=0x984320ec) at kernel/qeventdispatcher_glib.cpp:255
#4  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#6  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#7  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xb1502ee8, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#8  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x98432278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#9  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x98432278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#10 0xffffffff in QThread::exec() (this=0x9c5eda0) at thread/qthread.cpp:511
#11 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#12 0xffffffff in QThreadPrivate::start(void*) (arg=0x9c5eda0) at thread/qthread_unix.cpp:345
#13 0xffffffff in start_thread () at /lib/libpthread.so.0
#14 0xffffffff in clone () at /lib/libc.so.6

Thread 17 (Thread 0x97391b40 (LWP 12689)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x9cf8930, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x97391278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x97391278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0x9cd5d38) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0x9cd5d38) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 16 (Thread 0x962f0b40 (LWP 12690)):
#0  0xffffffff in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xa8506dd8, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x962f0278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x962f0278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#6  0xffffffff in QThread::exec() (this=0x9d698c8) at thread/qthread.cpp:511
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in QThreadPrivate::start(void*) (arg=0x9d698c8) at thread/qthread_unix.cpp:345
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 15 (Thread 0x9524fb40 (LWP 12691)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xffffffff in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libc.so.6
#3  0xffffffff in QTWTF::TCMalloc_PageHeap::scavengerThread() (this=this@entry=0xb71787c0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0xffffffff in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) (context=0xb71787c0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0xffffffff in start_thread () at /lib/libpthread.so.0
#6  0xffffffff in clone () at /lib/libc.so.6

Thread 14 (Thread 0x9492eb40 (LWP 12692)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xa97058e0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9492e278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x9492e278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#6  0xffffffff in QThread::exec() (this=0x9e06f58) at thread/qthread.cpp:511
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in QThreadPrivate::start(void*) (arg=0x9e06f58) at thread/qthread_unix.cpp:345
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 13 (Thread 0x930ffb40 (LWP 12693)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xaa9069d8, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x930ff278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x930ff278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#6  0xffffffff in QThread::exec() (this=0xa0ef4a0) at thread/qthread.cpp:511
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in QThreadPrivate::start(void*) (arg=0xa0ef4a0) at thread/qthread_unix.cpp:345
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 12 (Thread 0x92018b40 (LWP 12696)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xadb06df0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x92018248, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x92018248, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0xa158ea8) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/libQt5Quick.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0xa158ea8) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 11 (Thread 0x8ee4cb40 (LWP 12697)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in clock_gettime () at /lib/libc.so.6
#2  0xffffffff in qt_gettime() (ts=0x8ee4bfe8, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:113
#3  0xffffffff in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:169
#4  0xffffffff in qt_gettime() () at tools/qelapsedtimer_unix.cpp:178
#5  0xffffffff in QTimerInfoList::updateCurrentTime() (this=this@entry=0xadd10574) at kernel/qtimerinfo_unix.cpp:92
#6  0xffffffff in QTimerInfoList::timerWait(timespec&) (this=this@entry=0xadd10574, tm=...) at kernel/qtimerinfo_unix.cpp:387
#7  0xffffffff in timerSourcePrepare(GSource*, gint*) (timeout=0x8ee4c0ec, src=0xadd10540) at kernel/qeventdispatcher_glib.cpp:135
#8  0xffffffff in timerSourcePrepare(GSource*, gint*) (source=0xadd10540, timeout=0x8ee4c0ec) at kernel/qeventdispatcher_glib.cpp:168
#9  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#10 0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#11 0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#12 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xadd0d9a8, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#13 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x8ee4c278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#14 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x8ee4c278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#15 0xffffffff in QThread::exec() (this=0xa72dd08) at thread/qthread.cpp:511
#16 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#17 0xffffffff in QThreadPrivate::start(void*) (arg=0xa72dd08) at thread/qthread_unix.cpp:345
#18 0xffffffff in start_thread () at /lib/libpthread.so.0
#19 0xffffffff in clone () at /lib/libc.so.6

Thread 10 (Thread 0x8da5cb40 (LWP 12703)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xaff48170, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x8da5c278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x8da5c278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0xa90d910) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0xa90d910) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 9 (Thread 0x8c9bbb40 (LWP 12704)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_release () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xb150a220, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x8c9bb278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x8c9bb278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0xaa1e858) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0xaa1e858) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 8 (Thread 0x8b91ab40 (LWP 12705)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xaa811c8, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x8b91a278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x8b91a278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#8  0xffffffff in QThread::exec() (this=0xaaa8810) at thread/qthread.cpp:511
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in QThreadPrivate::start(void*) (arg=0xaaa8810) at thread/qthread_unix.cpp:345
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 7 (Thread 0x8a879b40 (LWP 12706)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_query () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x9334ef88, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x8a879278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x8a879278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0xab11bb8) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0xab11bb8) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 6 (Thread 0x897d8b40 (LWP 12707)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in clock_gettime () at /lib/libc.so.6
#2  0xffffffff in qt_gettime() (ts=0x897d7fe8, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:113
#3  0xffffffff in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:169
#4  0xffffffff in qt_gettime() () at tools/qelapsedtimer_unix.cpp:178
#5  0xffffffff in QTimerInfoList::updateCurrentTime() (this=this@entry=0x8db4dc1c) at kernel/qtimerinfo_unix.cpp:92
#6  0xffffffff in QTimerInfoList::timerWait(timespec&) (this=this@entry=0x8db4dc1c, tm=...) at kernel/qtimerinfo_unix.cpp:387
#7  0xffffffff in timerSourcePrepare(GSource*, gint*) (timeout=0x897d80ec, src=0x8db4dbe8) at kernel/qeventdispatcher_glib.cpp:135
#8  0xffffffff in timerSourcePrepare(GSource*, gint*) (source=0x8db4dbe8, timeout=0x897d80ec) at kernel/qeventdispatcher_glib.cpp:168
#9  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#10 0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#11 0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#12 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xa976c488, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#13 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x897d8278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#14 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x897d8278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#15 0xffffffff in QThread::exec() (this=0xab8bca0) at thread/qthread.cpp:511
#16 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#17 0xffffffff in QThreadPrivate::start(void*) (arg=0xab8bca0) at thread/qthread_unix.cpp:345
#18 0xffffffff in start_thread () at /lib/libpthread.so.0
#19 0xffffffff in clone () at /lib/libc.so.6

Thread 5 (Thread 0x879ffb40 (LWP 12708)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in read () at /lib/libc.so.6
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#6  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x91660980, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#7  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x879ff258, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#8  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x879ff258, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#9  0xffffffff in QThread::exec() (this=this@entry=0xaee1450) at thread/qthread.cpp:511
#10 0xffffffff in KCupsConnection::run() (this=0xaee1450) at /usr/src/debug/print-manager-4.99.40/libkcups/KCupsConnection.cpp:303
#11 0xffffffff in QThreadPrivate::start(void*) (arg=0xaee1450) at thread/qthread_unix.cpp:345
#12 0xffffffff in start_thread () at /lib/libpthread.so.0
#13 0xffffffff in clone () at /lib/libc.so.6

Thread 4 (Thread 0x871feb40 (LWP 12709)):
#0  0xffffffff in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xadb550a8, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x871fe278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x871fe278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#7  0xffffffff in QThread::exec() (this=0xac30fe0) at thread/qthread.cpp:511
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QThreadPrivate::start(void*) (arg=0xac30fe0) at thread/qthread_unix.cpp:345
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 3 (Thread 0x83a5ab40 (LWP 12724)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xaff6f3a0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x83a5a278, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x83a5a278, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#8  0xffffffff in QThread::exec() (this=0xb4a8680) at thread/qthread.cpp:511
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in QThreadPrivate::start(void*) (arg=0xb4a8680) at thread/qthread_unix.cpp:345
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 2 (Thread 0x827ffb40 (LWP 12725)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x8829b038, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x827ff248, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x827ff248, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#8  0xffffffff in QThread::exec() (this=0xb5a5c88) at thread/qthread.cpp:511
#9  0xffffffff in  () at /usr/lib/libQt5Quick.so.5
#10 0xffffffff in QThreadPrivate::start(void*) (arg=0xb5a5c88) at thread/qthread_unix.cpp:345
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 1 (Thread 0xb39f9740 (LWP 12651)):
[KCrash Handler]
#7  0xffffffff in QSGNode::markDirty(QFlags<QSGNode::DirtyStateBit>) () at /usr/lib/libQt5Quick.so.5
#8  0xffffffff in QSGTransformNode::setMatrix(QMatrix4x4 const&) () at /usr/lib/libQt5Quick.so.5
#9  0xffffffff in  () at /usr/lib/libQt5Quick.so.5
#10 0xffffffff in  () at /usr/lib/libQt5Quick.so.5
#11 0xffffffff in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib/libQt5Quick.so.5
#12 0xffffffff in  () at /usr/lib/libQt5Quick.so.5
#13 0xffffffff in  () at /usr/lib/libQt5Quick.so.5
#14 0xffffffff in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x8f59d08, receiver=receiver@entry=0x916f838, e=e@entry=0xbff14920) at kernel/qapplication.cpp:3499
#15 0xffffffff in QApplication::notify(QObject*, QEvent*) (this=0xbff14c3c, receiver=0x916f838, e=0xbff14920) at kernel/qapplication.cpp:3282
#16 0xffffffff in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0xbff14c3c, receiver=0x916f838, event=event@entry=0xbff14920) at kernel/qcoreapplication.cpp:935
#17 0xffffffff in QTimerInfoList::activateTimers() (event=0xbff14920, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:237
#18 0xffffffff in QTimerInfoList::activateTimers() (this=this@entry=0x8f82ff4) at kernel/qtimerinfo_unix.cpp:643
#19 0xffffffff in timerSourceDispatch(GSource*, GSourceFunc, gpointer) (source=0x8f82fc0) at kernel/qeventdispatcher_glib.cpp:185
#20 0xffffffff in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#21 0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#22 0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#23 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x8f95418, flags=flags@entry=...) at kernel/qeventdispatcher_glib.cpp:426
#24 0xffffffff in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x8f95418, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:123
#25 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xbff14b40, flags=flags@entry=...) at kernel/qeventloop.cpp:136
#26 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0xbff14b40, flags=flags@entry=...) at kernel/qeventloop.cpp:212
#27 0xffffffff in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1188
#28 0xffffffff in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1483
#29 0xffffffff in QApplication::exec() () at kernel/qapplication.cpp:2744
#30 0x0807079d in main(int, char**) (argc=4, argv=0xbff14d24) at /usr/src/debug/plasma-workspace-5.1.2/shell/main.cpp:150

Reported using DrKonqi