Thread 22 (Thread 0x7f7e2bf4c700 (LWP 639)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e3c3109f2 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f7e3c31256f in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f7e2d448b49 in ?? () from /usr/lib/qt/plugins/platforms/libqxcb.so
#4  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 21 (Thread 0x7f7e235ef700 (LWP 647)):
#0  0x00007f7e38098313 in select () from /usr/lib/libc.so.6
#1  0x00007f7e38d9f1d1 in ?? () from /usr/lib/libQt5Core.so.5
#2  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#3  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 20 (Thread 0x7f7e22dee700 (LWP 652)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e6514c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 19 (Thread 0x7f7e195ec700 (LWP 671)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 18 (Thread 0x7f7e0fdce700 (LWP 679)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 17 (Thread 0x7f7e0edcd700 (LWP 680)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6
---Type <return> to continue, or q <return> to quit---

Thread 16 (Thread 0x7f7e0dd2c700 (LWP 684)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 15 (Thread 0x7f7e0cc3b700 (LWP 690)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 14 (Thread 0x7f7dff7ff700 (LWP 694)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 13 (Thread 0x7f7dfe3ce700 (LWP 698)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e6514c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 12 (Thread 0x7f7dfd126700 (LWP 699)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 11 (Thread 0x7f7debfff700 (LWP 700)):
#0  0x00007f7e37b0d8bf in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007f7e3e51fa14 in ?? () from /usr/lib/libQt5Script.so.5
#2  0x00007f7e3e51fa59 in ?? () from /usr/lib/libQt5Script.so.5
---Type <return> to continue, or q <return> to quit---
#3  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 10 (Thread 0x7f7d6b6fe700 (LWP 701)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 9 (Thread 0x7f7d69f64700 (LWP 714)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 8 (Thread 0x7f7d63fff700 (LWP 715)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e6514c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e3f8b78c6 in ?? () from /usr/lib/libQt5Quick.so.5
#7  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7f7d62ffe700 (LWP 717)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7f7d57fff700 (LWP 718)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7f7d56ffe700 (LWP 719)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7f7d55f6d700 (LWP 720)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f7d54e7c700 (LWP 721)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f7d41957700 (LWP 722)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e65137 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38c1c3c4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7e38c213be in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7e37b08314 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7e3809f3ed in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f7e3ff08800 (LWP 634)):
#0  0x00007f7e380965bd in poll () from /usr/lib/libc.so.6
#1  0x00007f7e34313ca4 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7e34313dbc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7e38e6514c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7e38e0b132 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7e38e12aec in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#6  0x000000000042c0bc in main ()