project neon5 - adding widget (analog clock) to the desktop crashes the plasma with the following errror:




Application: plasma-shell (plasma-shell), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f1d86e4f780 (LWP 2689))]

Thread 38 (Thread 0x7f1d66445700 (LWP 2691)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f1d80005657 in _L_lock_909 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007f1d80005480 in __GI___pthread_mutex_lock (mutex=0x15b8918) at ../nptl/pthread_mutex_lock.c:79
#3  0x00007f1d830a9b98 in _xcb_conn_wait (c=c@entry=0x15b8900, cond=cond@entry=0x15b8940, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:464
#4  0x00007f1d830ab64f in xcb_wait_for_event (c=0x15b8900) at ../../src/xcb_in.c:622
#5  0x00007f1d683f7791 in QXcbEventReader::run (this=0x15c6e10) at qxcbconnection.cpp:1006
#6  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x15c6e10) at thread/qthread_unix.cpp:345
#7  0x00007f1d80003182 in start_thread (arg=0x7f1d66445700) at pthread_create.c:312
#8  0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 37 (Thread 0x7f1cdd0db700 (LWP 2695)):
#0  __GI___pthread_mutex_lock (mutex=0x7f1cd8000a50) at ../nptl/pthread_mutex_lock.c:83
#1  0x00007f1d7c83e981 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fd0d8 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1cd80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1cdd0dae10, flags=...) at kernel/qeventloop.cpp:136
#5  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1cdd0dae10, flags=...) at kernel/qeventloop.cpp:212
#6  0x00007f1d81287a88 in QThread::exec (this=0x16dc650) at thread/qthread.cpp:511
#7  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x16dc650) at qml/ftw/qqmlthread.cpp:149
#8  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x16dc650) at thread/qthread_unix.cpp:345
#9  0x00007f1d80003182 in start_thread (arg=0x7f1cdd0db700) at pthread_create.c:312
#10 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 36 (Thread 0x7f1cd42ce700 (LWP 2697)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1cd69814c3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007f1cd6980d07 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007f1d80003182 in start_thread (arg=0x7f1cd42ce700) at pthread_create.c:312
#4  0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 35 (Thread 0x7f1cd2841700 (LWP 2698)):
#0  0x00007f1d81570ad8 in QList<QTimerInfo*>::const_iterator::const_iterator (this=0x7f1cd2840b10, n=0x7f1d815d8bc0 <QListData::shared_null+16>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:246
#1  0x00007f1d815721b6 in QList<QTimerInfo*>::constEnd (this=0x7f1cc8002d20) at ../../include/QtCore/../../src/corelib/tools/qlist.h:282
#2  0x00007f1d81571549 in QTimerInfoList::timerWait (this=0x7f1cc8002d20, tm=...) at kernel/qtimerinfo_unix.cpp:392
#3  0x00007f1d81572e55 in timerSourcePrepareHelper (src=0x7f1cc8002cc0, timeout=0x7f1cd2840bf4) at kernel/qeventdispatcher_glib.cpp:135
#4  0x00007f1d81572ffd in timerSourcePrepare (source=0x7f1cc8002cc0, timeout=0x7f1cd2840bf4) at kernel/qeventdispatcher_glib.cpp:168
#5  0x00007f1d7c7fc68d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f1d7c7fcf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1cc80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#9  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1cd2840e10, flags=...) at kernel/qeventloop.cpp:136
#10 0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1cd2840e10, flags=...) at kernel/qeventloop.cpp:212
#11 0x00007f1d81287a88 in QThread::exec (this=0x19a67d0) at thread/qthread.cpp:511
#12 0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x19a67d0) at qml/ftw/qqmlthread.cpp:149
#13 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x19a67d0) at thread/qthread_unix.cpp:345
#14 0x00007f1d80003182 in start_thread (arg=0x7f1cd2841700) at pthread_create.c:312
#15 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 34 (Thread 0x7f1ccc87c700 (LWP 2701)):
#0  0x00007f1d80c056bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c83dc10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1cc40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1ccc87be10, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1ccc87be10, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x1a65370) at thread/qthread.cpp:511
#9  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x1a65370) at qml/ftw/qqmlthread.cpp:149
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x1a65370) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1ccc87c700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 33 (Thread 0x7f1cbf77f700 (LWP 2703)):
#0  0x00007f1d800055c0 in __GI___pthread_mutex_lock (mutex=0x7f1cb8000a50) at ../nptl/pthread_mutex_lock.c:146
#1  0x00007f1d7c83e981 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fc699 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1cb80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1cbf77ee10, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1cbf77ee10, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x1a882a0) at thread/qthread.cpp:511
#9  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x1a882a0) at qml/ftw/qqmlthread.cpp:149
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x1a882a0) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1cbf77f700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 32 (Thread 0x7f1cbe68e700 (LWP 2704)):
#0  0x00007f1d7c7fca59 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1d7c7fcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1cb00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1cbe68de10, flags=...) at kernel/qeventloop.cpp:136
#5  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1cbe68de10, flags=...) at kernel/qeventloop.cpp:212
#6  0x00007f1d81287a88 in QThread::exec (this=0x1df1f60) at thread/qthread.cpp:511
#7  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x1df1f60) at qml/ftw/qqmlthread.cpp:149
#8  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x1df1f60) at thread/qthread_unix.cpp:345
#9  0x00007f1d80003182 in start_thread (arg=0x7f1cbe68e700) at pthread_create.c:312
#10 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 31 (Thread 0x7f1cbd59d700 (LWP 2705)):
#0  0x00007f1d80005569 in __GI___pthread_mutex_lock (mutex=0x7f1cb4000a50) at ../nptl/pthread_mutex_lock.c:125
#1  0x00007f1d7c83e981 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcfca in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1cb40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1cbd59ce10, flags=...) at kernel/qeventloop.cpp:136
#6  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1cbd59ce10, flags=...) at kernel/qeventloop.cpp:212
#7  0x00007f1d81287a88 in QThread::exec (this=0x1ed24e0) at thread/qthread.cpp:511
#8  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x1ed24e0) at qml/ftw/qqmlthread.cpp:149
#9  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x1ed24e0) at thread/qthread_unix.cpp:345
#10 0x00007f1d80003182 in start_thread (arg=0x7f1cbd59d700) at pthread_create.c:312
#11 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 30 (Thread 0x7f1caffff700 (LWP 2706)):
#0  0x00007f1d81284bbc in QBasicAtomicOps<8>::testAndSetRelaxed<QMutexData*> (_q_value=@0x1faf138: 0x0, expectedValue=0x1, newValue=0x1, currentValue=0x7f1cafffeaf8) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:269
#1  0x00007f1d81284a10 in testAndSetRelease<QMutexData*, QMutexData*> (currentValue=0x7f1cafffeaf8, newValue=0x0, expectedValue=0x1, _q_value=@0x1faf138: 0x0) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:183
#2  QBasicAtomicPointer<QMutexData>::testAndSetRelease (this=0x1faf138, expectedValue=0x1, newValue=0x0, currentValue=@0x7f1cafffeaf8: 0x1) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:286
#3  0x00007f1d812846dc in QBasicMutex::fastTryUnlock (this=0x1faf138, current=@0x7f1cafffeaf8: 0x1) at thread/qmutex.h:93
#4  0x00007f1d8128405d in QMutex::unlock (this=0x1faf138) at thread/qmutex.cpp:272
#5  0x00007f1d812684d4 in QMutexLocker::unlock (this=0x7f1cafffeb60) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:146
#6  0x00007f1d8126848e in QMutexLocker::~QMutexLocker (this=0x7f1cafffeb60, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:140
#7  0x00007f1d8157028e in QThreadData::canWaitLocked (this=0x1faf110) at ../../include/QtCore/5.3.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:249
#8  0x00007f1d815731d9 in postEventSourcePrepare (s=0x7f1ca8001340, timeout=0x7f1cafffebf4) at kernel/qeventdispatcher_glib.cpp:262
#9  0x00007f1d7c7fc68d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f1d7c7fcf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1ca80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#13 0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1cafffee10, flags=...) at kernel/qeventloop.cpp:136
#14 0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1cafffee10, flags=...) at kernel/qeventloop.cpp:212
#15 0x00007f1d81287a88 in QThread::exec (this=0x1fac480) at thread/qthread.cpp:511
#16 0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x1fac480) at qml/ftw/qqmlthread.cpp:149
#17 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x1fac480) at thread/qthread_unix.cpp:345
#18 0x00007f1d80003182 in start_thread (arg=0x7f1caffff700) at pthread_create.c:312
#19 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 29 (Thread 0x7f1caeffe700 (LWP 2707)):
#0  0x00007f1d80c056bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c83dc10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1ca00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1caeffde10, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1caeffde10, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x208b1c0) at thread/qthread.cpp:511
#9  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x208b1c0) at qml/ftw/qqmlthread.cpp:149
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x208b1c0) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1caeffe700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 28 (Thread 0x7f1cadbc5700 (LWP 2708)):
#0  0x00007f1d80c056bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c83dc10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1ca40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1cadbc4e10, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1cadbc4e10, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x2146970) at thread/qthread.cpp:511
#9  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x2146970) at qml/ftw/qqmlthread.cpp:149
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x2146970) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1cadbc5700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 27 (Thread 0x7f1c9cfd1700 (LWP 2711)):
#0  0x00007f1d8128e89b in get_thread_data () at thread/qthread_unix.cpp:189
#1  0x00007f1d8128e945 in QThreadData::current (createIfNecessary=true) at thread/qthread_unix.cpp:220
#2  0x00007f1d815731ac in postEventSourcePrepare (s=0x7f1c8c001340, timeout=0x7f1c9cfd0bf4) at kernel/qeventdispatcher_glib.cpp:255
#3  0x00007f1d7c7fc68d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fcf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1c8c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#7  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c9cfd0e10, flags=...) at kernel/qeventloop.cpp:136
#8  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c9cfd0e10, flags=...) at kernel/qeventloop.cpp:212
#9  0x00007f1d81287a88 in QThread::exec (this=0x2333040) at thread/qthread.cpp:511
#10 0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x2333040) at qml/ftw/qqmlthread.cpp:149
#11 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x2333040) at thread/qthread_unix.cpp:345
#12 0x00007f1d80003182 in start_thread (arg=0x7f1c9cfd1700) at pthread_create.c:312
#13 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 26 (Thread 0x7f1c80057700 (LWP 2721)):
#0  0x00007f1d7c83e61d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1d7c83e979 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fc699 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1cb4002f70, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c80056e10, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c80056e10, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x2624d70) at thread/qthread.cpp:511
#9  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x2624d70) at qml/ftw/qqmlthread.cpp:149
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x2624d70) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1c80057700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 25 (Thread 0x7f1cacb94700 (LWP 2722)):
#0  0x00007f1d80c06fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c7fcfe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1c98033750, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1cacb93e10, flags=...) at kernel/qeventloop.cpp:136
#5  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1cacb93e10, flags=...) at kernel/qeventloop.cpp:212
#6  0x00007f1d81287a88 in QThread::exec (this=0x2def410) at thread/qthread.cpp:511
#7  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x2def410) at qml/ftw/qqmlthread.cpp:149
#8  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x2def410) at thread/qthread_unix.cpp:345
#9  0x00007f1d80003182 in start_thread (arg=0x7f1cacb94700) at pthread_create.c:312
#10 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 24 (Thread 0x7f1c9e97b700 (LWP 2723)):
#0  0x00007f1d80c06fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c7fcfe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1c94004ba0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c9e97adc0, flags=...) at kernel/qeventloop.cpp:136
#5  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c9e97adc0, flags=...) at kernel/qeventloop.cpp:212
#6  0x00007f1d81287a88 in QThread::exec (this=0x224e140) at thread/qthread.cpp:511
#7  0x00007f1d866a851e in QQuickPixmapReader::run (this=0x224e140) at util/qquickpixmapcache.cpp:688
#8  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x224e140) at thread/qthread_unix.cpp:345
#9  0x00007f1d80003182 in start_thread (arg=0x7f1c9e97b700) at pthread_create.c:312
#10 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 23 (Thread 0x7f1c9dae1700 (LWP 2724)):
#0  0x00007f1d80c056bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c83dc10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1cb0003370, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c9dae0e10, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c9dae0e10, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x2d87e80) at thread/qthread.cpp:511
#9  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x2d87e80) at qml/ftw/qqmlthread.cpp:149
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x2d87e80) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1c9dae1700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (Thread 0x7f1c9104a700 (LWP 2725)):
#0  0x00007f1d800055c0 in __GI___pthread_mutex_lock (mutex=0x7f1cb8003100) at ../nptl/pthread_mutex_lock.c:146
#1  0x00007f1d7c83e981 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcfca in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1cb8002f70, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c91049e10, flags=...) at kernel/qeventloop.cpp:136
#6  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c91049e10, flags=...) at kernel/qeventloop.cpp:212
#7  0x00007f1d81287a88 in QThread::exec (this=0x3159c80) at thread/qthread.cpp:511
#8  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x3159c80) at qml/ftw/qqmlthread.cpp:149
#9  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x3159c80) at thread/qthread_unix.cpp:345
#10 0x00007f1d80003182 in start_thread (arg=0x7f1c9104a700) at pthread_create.c:312
#11 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (Thread 0x7f1c7e786700 (LWP 2726)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1d812904ce in QWaitConditionPrivate::wait (this=0x2255730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f1d812902a1 in QWaitCondition::wait (this=0x224fce0, mutex=0x224fcd8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1d86743511 in QSGRenderThreadEventQueue::takeEvent (this=0x224fcd0, wait=true) at scenegraph/qsgthreadedrenderloop.cpp:254
#4  0x00007f1d867413d5 in QSGRenderThread::processEventsAndWaitForMore (this=0x224fc50) at scenegraph/qsgthreadedrenderloop.cpp:683
#5  0x00007f1d867415db in QSGRenderThread::run (this=0x224fc50) at scenegraph/qsgthreadedrenderloop.cpp:713
#6  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x224fc50) at thread/qthread_unix.cpp:345
#7  0x00007f1d80003182 in start_thread (arg=0x7f1c7e786700) at pthread_create.c:312
#8  0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (Thread 0x7f1c7df85700 (LWP 2727)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1d812904ce in QWaitConditionPrivate::wait (this=0x323c490, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f1d812902a1 in QWaitCondition::wait (this=0x323c5d0, mutex=0x323c5c8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1d86743511 in QSGRenderThreadEventQueue::takeEvent (this=0x323c5c0, wait=true) at scenegraph/qsgthreadedrenderloop.cpp:254
#4  0x00007f1d867413d5 in QSGRenderThread::processEventsAndWaitForMore (this=0x323c540) at scenegraph/qsgthreadedrenderloop.cpp:683
#5  0x00007f1d867415db in QSGRenderThread::run (this=0x323c540) at scenegraph/qsgthreadedrenderloop.cpp:713
#6  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x323c540) at thread/qthread_unix.cpp:345
#7  0x00007f1d80003182 in start_thread (arg=0x7f1c7df85700) at pthread_create.c:312
#8  0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (Thread 0x7f1c7c612700 (LWP 2737)):
#0  0x00007f1d80c056bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c83dc10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1cc8003220, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c7c611e10, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c7c611e10, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x38cf380) at thread/qthread.cpp:511
#9  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x38cf380) at qml/ftw/qqmlthread.cpp:149
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x38cf380) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1c7c612700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (Thread 0x7f1c7b5e1700 (LWP 2738)):
#0  0x00007f1d80c06fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c7fcfe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1cd8071d90, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c7b5e0e10, flags=...) at kernel/qeventloop.cpp:136
#5  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c7b5e0e10, flags=...) at kernel/qeventloop.cpp:212
#6  0x00007f1d81287a88 in QThread::exec (this=0x397e690) at thread/qthread.cpp:511
#7  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x397e690) at qml/ftw/qqmlthread.cpp:149
#8  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x397e690) at thread/qthread_unix.cpp:345
#9  0x00007f1d80003182 in start_thread (arg=0x7f1c7b5e1700) at pthread_create.c:312
#10 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (Thread 0x7f1c79c32700 (LWP 2739)):
#0  0x00007f1d80c06fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c7fcfe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1d60005340, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c79c31e10, flags=...) at kernel/qeventloop.cpp:136
#5  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c79c31e10, flags=...) at kernel/qeventloop.cpp:212
#6  0x00007f1d81287a88 in QThread::exec (this=0x3b9a9b0) at thread/qthread.cpp:511
#7  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x3b9a9b0) at qml/ftw/qqmlthread.cpp:149
#8  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x3b9a9b0) at thread/qthread_unix.cpp:345
#9  0x00007f1d80003182 in start_thread (arg=0x7f1c79c32700) at pthread_create.c:312
#10 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (Thread 0x7f1c78b71700 (LWP 2740)):
#0  0x00007f1d80c056bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c83dc10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x3c4d880, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c78b70e10, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c78b70e10, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x3c4a5e0) at thread/qthread.cpp:511
#9  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x3c4a5e0) at qml/ftw/qqmlthread.cpp:149
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x3c4a5e0) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1c78b71700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (Thread 0x7f1c77404700 (LWP 2744)):
#0  0x00007f1d80c06fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c7fcfe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1c8802f130, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c77403e10, flags=...) at kernel/qeventloop.cpp:136
#5  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c77403e10, flags=...) at kernel/qeventloop.cpp:212
#6  0x00007f1d81287a88 in QThread::exec (this=0x3ec7020) at thread/qthread.cpp:511
#7  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x3ec7020) at qml/ftw/qqmlthread.cpp:149
#8  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x3ec7020) at thread/qthread_unix.cpp:345
#9  0x00007f1d80003182 in start_thread (arg=0x7f1c77404700) at pthread_create.c:312
#10 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (Thread 0x7f1c76311700 (LWP 2745)):
#0  0x00007f1d80c056bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c83dc10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1c8c05e780, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c76310e10, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c76310e10, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x3fc6710) at thread/qthread.cpp:511
#9  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x3fc6710) at qml/ftw/qqmlthread.cpp:149
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x3fc6710) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1c76311700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7f1c74776700 (LWP 2746)):
#0  0x00007f1d80c056bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c83dc10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1c94002b90, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c74775e10, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c74775e10, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x40ef050) at thread/qthread.cpp:511
#9  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x40ef050) at qml/ftw/qqmlthread.cpp:149
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x40ef050) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1c74776700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7f1c73683700 (LWP 2747)):
#0  0x00007f1d80c056bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c83dc10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1c980027c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c73682e10, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c73682e10, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x41a9b70) at thread/qthread.cpp:511
#9  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x41a9b70) at qml/ftw/qqmlthread.cpp:149
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x41a9b70) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1c73683700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7f1c701d4700 (LWP 2759)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f1d80005657 in _L_lock_909 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007f1d80005480 in __GI___pthread_mutex_lock (mutex=0x15b71e0) at ../nptl/pthread_mutex_lock.c:79
#3  0x00007f1d832e9983 in _XLockDisplay (dpy=0x15b7670) at ../../src/locking.c:459
#4  0x00007f1d832f70c9 in XSync (dpy=dpy@entry=0x15b7670, discard=discard@entry=0) at ../../src/Sync.c:42
#5  0x00007f1d8056114a in dri2XcbSwapBuffers (pdraw=0x7f1ca810e170, remainder=<optimized out>, divisor=0, target_msc=0, dpy=0x15b7670) at ../../../../src/glx/dri2_glx.c:815
#6  dri2SwapBuffers (pdraw=0x7f1ca810e170, target_msc=0, divisor=0, remainder=<optimized out>, flush=<optimized out>) at ../../../../src/glx/dri2_glx.c:853
#7  0x00007f1d6842bdd9 in QGLXContext::swapBuffers (this=0x24d6460, surface=0x2e7ffd0) at qglxintegration.cpp:392
#8  0x00007f1d81929ed4 in QOpenGLContext::swapBuffers (this=0x24ec7a0, surface=0x2259320) at kernel/qopenglcontext.cpp:895
#9  0x00007f1d86741121 in QSGRenderThread::syncAndRender (this=0x46c9440) at scenegraph/qsgthreadedrenderloop.cpp:621
#10 0x00007f1d8674156c in QSGRenderThread::run (this=0x46c9440) at scenegraph/qsgthreadedrenderloop.cpp:704
#11 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x46c9440) at thread/qthread_unix.cpp:345
#12 0x00007f1d80003182 in start_thread (arg=0x7f1c701d4700) at pthread_create.c:312
#13 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7f1c71b94700 (LWP 2761)):
#0  0x00007f1d80c06fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c7fcfe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1ca40e5930, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c71b93e10, flags=...) at kernel/qeventloop.cpp:136
#5  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c71b93e10, flags=...) at kernel/qeventloop.cpp:212
#6  0x00007f1d81287a88 in QThread::exec (this=0x4cac160) at thread/qthread.cpp:511
#7  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x4cac160) at qml/ftw/qqmlthread.cpp:149
#8  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x4cac160) at thread/qthread_unix.cpp:345
#9  0x00007f1d80003182 in start_thread (arg=0x7f1c71b94700) at pthread_create.c:312
#10 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7f1c87fff700 (LWP 2762)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1d812904ce in QWaitConditionPrivate::wait (this=0x28d1e10, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f1d812902a1 in QWaitCondition::wait (this=0x28d1f50, mutex=0x28d1f48, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1d86743511 in QSGRenderThreadEventQueue::takeEvent (this=0x28d1f40, wait=true) at scenegraph/qsgthreadedrenderloop.cpp:254
#4  0x00007f1d867413d5 in QSGRenderThread::processEventsAndWaitForMore (this=0x28d1ec0) at scenegraph/qsgthreadedrenderloop.cpp:683
#5  0x00007f1d867415db in QSGRenderThread::run (this=0x28d1ec0) at scenegraph/qsgthreadedrenderloop.cpp:713
#6  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x28d1ec0) at thread/qthread_unix.cpp:345
#7  0x00007f1d80003182 in start_thread (arg=0x7f1c87fff700) at pthread_create.c:312
#8  0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7f1c81058700 (LWP 2763)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1d812904ce in QWaitConditionPrivate::wait (this=0x4cad8b0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f1d812902a1 in QWaitCondition::wait (this=0x454c2d0, mutex=0x454c2c8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1d86743511 in QSGRenderThreadEventQueue::takeEvent (this=0x454c2c0, wait=true) at scenegraph/qsgthreadedrenderloop.cpp:254
#4  0x00007f1d867413d5 in QSGRenderThread::processEventsAndWaitForMore (this=0x454c240) at scenegraph/qsgthreadedrenderloop.cpp:683
#5  0x00007f1d867415db in QSGRenderThread::run (this=0x454c240) at scenegraph/qsgthreadedrenderloop.cpp:713
#6  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x454c240) at thread/qthread_unix.cpp:345
#7  0x00007f1d80003182 in start_thread (arg=0x7f1c81058700) at pthread_create.c:312
#8  0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7f1c82ffa700 (LWP 3366)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1d812904ce in QWaitConditionPrivate::wait (this=0x2924500, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f1d812902a1 in QWaitCondition::wait (this=0x29243b0, mutex=0x29243a8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1d86743511 in QSGRenderThreadEventQueue::takeEvent (this=0x29243a0, wait=true) at scenegraph/qsgthreadedrenderloop.cpp:254
#4  0x00007f1d867413d5 in QSGRenderThread::processEventsAndWaitForMore (this=0x2924320) at scenegraph/qsgthreadedrenderloop.cpp:683
#5  0x00007f1d867415db in QSGRenderThread::run (this=0x2924320) at scenegraph/qsgthreadedrenderloop.cpp:713
#6  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x2924320) at thread/qthread_unix.cpp:345
#7  0x00007f1d80003182 in start_thread (arg=0x7f1c82ffa700) at pthread_create.c:312
#8  0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f1c8613b700 (LWP 3368)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1d812904ce in QWaitConditionPrivate::wait (this=0x500da80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f1d812902a1 in QWaitCondition::wait (this=0x4fc83c0, mutex=0x4fc83b8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1d86743511 in QSGRenderThreadEventQueue::takeEvent (this=0x4fc83b0, wait=true) at scenegraph/qsgthreadedrenderloop.cpp:254
#4  0x00007f1d867413d5 in QSGRenderThread::processEventsAndWaitForMore (this=0x4fc8330) at scenegraph/qsgthreadedrenderloop.cpp:683
#5  0x00007f1d867415db in QSGRenderThread::run (this=0x4fc8330) at scenegraph/qsgthreadedrenderloop.cpp:713
#6  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x4fc8330) at thread/qthread_unix.cpp:345
#7  0x00007f1d80003182 in start_thread (arg=0x7f1c8613b700) at pthread_create.c:312
#8  0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f1c937ff700 (LWP 3397)):
#0  0x00007f1d7c7fc097 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1d7c7fcea5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1c88041b40, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#4  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c937fee10, flags=...) at kernel/qeventloop.cpp:136
#5  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c937fee10, flags=...) at kernel/qeventloop.cpp:212
#6  0x00007f1d81287a88 in QThread::exec (this=0x251c910) at thread/qthread.cpp:511
#7  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x251c910) at qml/ftw/qqmlthread.cpp:149
#8  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x251c910) at thread/qthread_unix.cpp:345
#9  0x00007f1d80003182 in start_thread (arg=0x7f1c937ff700) at pthread_create.c:312
#10 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f1c838b0700 (LWP 3399)):
#0  0x00007f1d80c056bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1d7c83dc10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcb14 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fcf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1ca80d0cc0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#6  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c838afdc0, flags=...) at kernel/qeventloop.cpp:136
#7  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c838afdc0, flags=...) at kernel/qeventloop.cpp:212
#8  0x00007f1d81287a88 in QThread::exec (this=0x25026a0) at thread/qthread.cpp:511
#9  0x00007f1d866a851e in QQuickPixmapReader::run (this=0x25026a0) at util/qquickpixmapcache.cpp:688
#10 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x25026a0) at thread/qthread_unix.cpp:345
#11 0x00007f1d80003182 in start_thread (arg=0x7f1c838b0700) at pthread_create.c:312
#12 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f1c85657700 (LWP 3410)):
[KCrash Handler]
#6  0x00007f1d80b4ff79 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#7  0x00007f1d80b53388 in __GI_abort () at abort.c:89
#8  0x00007f1d80b48e36 in __assert_fail_base (fmt=0x7f1cd68b1131 "%s%s%s:%u: %s%sPredpostavka \302\273%s\302\253 spodletela.\n%n", assertion=assertion@entry=0x7f1d830b5615 "!c->out.queue_len", file=file@entry=0x7f1d830b5600 "../../src/xcb_conn.c", line=line@entry=186, function=function@entry=0x7f1d830b5630 <__PRETTY_FUNCTION__.10950> "write_vec") at assert.c:92
#9  0x00007f1d80b48ee2 in __GI___assert_fail (assertion=assertion@entry=0x7f1d830b5615 "!c->out.queue_len", file=file@entry=0x7f1d830b5600 "../../src/xcb_conn.c", line=line@entry=186, function=function@entry=0x7f1d830b5630 <__PRETTY_FUNCTION__.10950> "write_vec") at assert.c:101
#10 0x00007f1d830a9e5b in write_vec (count=0x7f1c85656b04, vector=0x7f1c85656b08, c=0x15b8900) at ../../src/xcb_conn.c:186
#11 _xcb_conn_wait (c=c@entry=0x15b8900, cond=cond@entry=0x15b9a20, vector=vector@entry=0x7f1c85656b08, count=count@entry=0x7f1c85656b04) at ../../src/xcb_conn.c:490
#12 0x00007f1d830aa191 in _xcb_out_send (c=c@entry=0x15b8900, vector=vector@entry=0x7f1c85656b40, count=count@entry=1) at ../../src/xcb_out.c:367
#13 0x00007f1d830aa8a7 in _xcb_out_flush_to (c=0x15b8900, request=23856) at ../../src/xcb_out.c:394
#14 0x00007f1d830aa9c8 in xcb_take_socket (c=0x15b8900, return_socket=return_socket@entry=0x7f1d832fb030 <return_socket>, closure=closure@entry=0x15b7670, flags=1, sent=sent@entry=0x7f1c85656bd8) at ../../src/xcb_out.c:293
#15 0x00007f1d832faa58 in require_socket (dpy=0x15b7670) at ../../src/xcb_io.c:68
#16 0x00007f1d832fb289 in _XFlush (dpy=0x15b7670) at ../../src/xcb_io.c:511
#17 0x00007f1d832fdcb5 in _XGetRequest (dpy=dpy@entry=0x15b7670, type=type@entry=43 '+', len=len@entry=4) at ../../src/XlibInt.c:1735
#18 0x00007f1d832f70db in XSync (dpy=dpy@entry=0x15b7670, discard=discard@entry=0) at ../../src/Sync.c:43
#19 0x00007f1d8056114a in dri2XcbSwapBuffers (pdraw=0x7f1c880a6680, remainder=<optimized out>, divisor=0, target_msc=0, dpy=0x15b7670) at ../../../../src/glx/dri2_glx.c:815
#20 dri2SwapBuffers (pdraw=0x7f1c880a6680, target_msc=0, divisor=0, remainder=<optimized out>, flush=<optimized out>) at ../../../../src/glx/dri2_glx.c:853
#21 0x00007f1d6842bdd9 in QGLXContext::swapBuffers (this=0x5a7bf50, surface=0x2a8fe60) at qglxintegration.cpp:392
#22 0x00007f1d81929ed4 in QOpenGLContext::swapBuffers (this=0x5ac2c10, surface=0x2a8eda0) at kernel/qopenglcontext.cpp:895
#23 0x00007f1d86741121 in QSGRenderThread::syncAndRender (this=0x52a5f40) at scenegraph/qsgthreadedrenderloop.cpp:621
#24 0x00007f1d8674156c in QSGRenderThread::run (this=0x52a5f40) at scenegraph/qsgthreadedrenderloop.cpp:704
#25 0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x52a5f40) at thread/qthread_unix.cpp:345
#26 0x00007f1d80003182 in start_thread (arg=0x7f1c85657700) at pthread_create.c:312
#27 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f1c71393700 (LWP 3411)):
#0  0x00007f1d7c83e9c8 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1d7c7fc680 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d7c7fcf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d81573a55 in QEventDispatcherGlib::processEvents (this=0x7f1ca074c2c0, flags=...) at kernel/qeventdispatcher_glib.cpp:428
#5  0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7f1c71392e10, flags=...) at kernel/qeventloop.cpp:136
#6  0x00007f1d814fa43b in QEventLoop::exec (this=0x7f1c71392e10, flags=...) at kernel/qeventloop.cpp:212
#7  0x00007f1d81287a88 in QThread::exec (this=0x5c06f20) at thread/qthread.cpp:511
#8  0x00007f1d8613af1f in QQmlThreadPrivate::run (this=0x5c06f20) at qml/ftw/qqmlthread.cpp:149
#9  0x00007f1d8128ee01 in QThreadPrivate::start (arg=0x5c06f20) at thread/qthread_unix.cpp:345
#10 0x00007f1d80003182 in start_thread (arg=0x7f1c71393700) at pthread_create.c:312
#11 0x00007f1d80c1430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f1d86e4f780 (LWP 2689)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1d812904ce in QWaitConditionPrivate::wait (this=0x46ca5e0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f1d812902a1 in QWaitCondition::wait (this=0x46c9490, mutex=0x46c9488, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007f1d86742a75 in QSGThreadedRenderLoop::polishAndSync (this=0x19e8cc0, w=0x5d10160) at scenegraph/qsgthreadedrenderloop.cpp:1171
#4  0x00007f1d86742e38 in QSGThreadedRenderLoop::event (this=0x19e8cc0, e=0x7fff51cca130) at scenegraph/qsgthreadedrenderloop.cpp:1235
#5  0x00007f1d8214e1d6 in QApplicationPrivate::notify_helper (this=0x15adce0, receiver=0x19e8cc0, e=0x7fff51cca130) at kernel/qapplication.cpp:3491
#6  0x00007f1d8214b81e in QApplication::notify (this=0x7fff51cca560, receiver=0x19e8cc0, e=0x7fff51cca130) at kernel/qapplication.cpp:2944
#7  0x00007f1d814fd442 in QCoreApplication::notifyInternal (this=0x7fff51cca560, receiver=0x19e8cc0, event=0x7fff51cca130) at kernel/qcoreapplication.cpp:935
#8  0x00007f1d81500fcf in QCoreApplication::sendEvent (receiver=0x19e8cc0, event=0x7fff51cca130) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:237
#9  0x00007f1d81571dba in QTimerInfoList::activateTimers (this=0x15e7970) at kernel/qtimerinfo_unix.cpp:643
#10 0x00007f1d815730a4 in timerSourceDispatch (source=0x15e7910) at kernel/qeventdispatcher_glib.cpp:185
#11 0x00007f1d8157318b in idleTimerSourceDispatch (source=0x15e64d0) at kernel/qeventdispatcher_glib.cpp:232
#12 0x00007f1d7c7fce04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f1d7c7fd048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f1d7c7fd0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f1d81573a35 in QEventDispatcherGlib::processEvents (this=0x1604580, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#16 0x00007f1d6844f4de in QPAEventDispatcherGlib::processEvents (this=0x1604580, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:123
#17 0x00007f1d814fa17a in QEventLoop::processEvents (this=0x7fff51cca430, flags=...) at kernel/qeventloop.cpp:136
#18 0x00007f1d814fa43b in QEventLoop::exec (this=0x7fff51cca430, flags=...) at kernel/qeventloop.cpp:212
#19 0x00007f1d814fdafa in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#20 0x00007f1d818e4320 in QGuiApplication::exec () at kernel/qguiapplication.cpp:1436
#21 0x00007f1d8214b03f in QApplication::exec () at kernel/qapplication.cpp:2736
#22 0x000000000044c3a8 in main ()


------------------------------------------------------

if i try again, same thing happens


nice day

Simon :)


Reproducible: Always