.
Thread 18 (Thread 0x7fb5c5e1f700 (LWP 3923)):
#0  0x00007fb5ce60174d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5ca028b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
No symbol table info available.
#2  0x00007fb5ca02a64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
No symbol table info available.
#3  0x00007fb5c8467bb9 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
No symbol table info available.
#4  0x00007fb5d0929186 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007fb5ce2fe182 in start_thread (arg=0x7fb5c5e1f700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb5c5e1f700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140418685728512, 2617010013217962848, 0, 0, 140418685729216, 140418685728512, -2649533309968762016, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 17 (Thread 0x7fb5914d9700 (LWP 3933)):
#0  0x00007fb5ce60174d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5cd49ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb5cd49ee6c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb5d0aeb76c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007fb5d0aa584b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007fb5d0925512 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007fb5d0929186 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007fb5ce2fe182 in start_thread (arg=0x7fb5914d9700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb5914d9700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140417803589376, 2617010013217962848, 0, 0, 140417803590080, 140417803589376, -2649701909983708320, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 16 (Thread 0x7fb59b4b6700 (LWP 3932)):
#0  0x00007fb5ce60174d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5cd49ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb5cd49ee6c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb5d0aeb76c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007fb5d0aa584b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007fb5d0925512 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007fb5d0929186 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007fb5ce2fe182 in start_thread (arg=0x7fb59b4b6700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb59b4b6700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140417971218176, 2617010013217962848, 0, 0, 140417971218880, 140417971218176, -2649723880352040096, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 15 (Thread 0x7fb5d0eed700 (LWP 3931)):
#0  sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:85
No locals.
#1  0x00007fb5cc63402d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5V8.so.5
No symbol table info available.
#2  0x00007fb5cc594c11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5V8.so.5
No symbol table info available.
#3  0x00007fb5cc635434 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5V8.so.5
No symbol table info available.
#4  0x00007fb5cc634016 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5V8.so.5
No symbol table info available.
#5  0x00007fb5ce2fe182 in start_thread (arg=0x7fb5d0eed700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb5d0eed700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140418871121664, 2617010013217962848, 0, 0, 140418871122368, 140418871121664, -2649562025046361248, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 14 (Thread 0x7fb5b8d99700 (LWP 3930)):
#0  0x00007fb5ce60174d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5cd49ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb5cd49ee6c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb5d0aeb76c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007fb5d0aa584b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007fb5d0925512 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007fb5d0929186 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007fb5ce2fe182 in start_thread (arg=0x7fb5b8d99700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb5b8d99700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140418467075840, 2617010013217962848, 0, 0, 140418467076544, 140418467075840, -2649791073504773280, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 13 (Thread 0x7fb5ba59c700 (LWP 3927)):
#0  0x00007fb5ce60174d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5cd49ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb5cd49ee6c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb5cd49eea9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fb5cd4c3c35 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb5ce2fe182 in start_thread (arg=0x7fb5ba59c700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb5ba59c700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140418492253952, 2617010013217962848, 0, 0, 140418492254656, 140418492253952, -2649796571599783072, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 12 (Thread 0x7fb5bb87a700 (LWP 3926)):
#0  0x00007fb5ce60174d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5cd49ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb5cd49f08a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb5bfa5aff6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fb5cd4c3c35 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb5ce2fe182 in start_thread (arg=0x7fb5bb87a700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb5bb87a700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140418512037632, 2617010013217962848, 0, 0, 140418512038336, 140418512037632, -2649792567616521376, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 11 (Thread 0x7fb538942700 (LWP 3940)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fb53b1973b3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#2  0x00007fb5ce2fe182 in start_thread (arg=0x7fb538942700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb538942700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140416315041536, 2617010013217962848, 0, 0, 140416315042240, 140416315041536, -2649509018170606752, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 10 (Thread 0x7fb54984d700 (LWP 3937)):
#0  0x00007fb5ce6063c3 in select () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5d0a53d91 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#2  0x00007fb5d0929186 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#3  0x00007fb5ce2fe182 in start_thread (arg=0x7fb54984d700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb54984d700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140416599250688, 2617010013217962848, 0, 0, 140416599251392, 140416599250688, -2649260398083097760, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#4  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 9 (Thread 0x7fb54a04e700 (LWP 3936)):
#0  0x00007fb5ce60174d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5cd49ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb5cd49ee6c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb5d0aeb76c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007fb5d0aa584b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007fb5d0925512 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007fb5d0929186 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007fb5ce2fe182 in start_thread (arg=0x7fb54a04e700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb54a04e700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140416607643392, 2617010013217962848, 0, 0, 140416607644096, 140416607643392, -2649268094127621280, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 8 (Thread 0x7fb54a84f700 (LWP 3935)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fb59930892b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
No symbol table info available.
#2  0x00007fb599309f88 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
No symbol table info available.
#3  0x00007fb59a065821 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
No symbol table info available.
#4  0x00007fb5ce2fe182 in start_thread (arg=0x7fb54a84f700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb54a84f700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140416616036096, 2617010013217962848, 0, 0, 140416616036800, 140416616036096, -2649266996226606240, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 7 (Thread 0x7fb58b052700 (LWP 3934)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fb59a037773 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
No symbol table info available.
#2  0x00007fb59a037799 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
No symbol table info available.
#3  0x00007fb5ce2fe182 in start_thread (arg=0x7fb58b052700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb58b052700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140417698178816, 2617010013217962848, 0, 0, 140417698179520, 140417698178816, -2649688092537046176, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#4  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 6 (Thread 0x7fb5b959a700 (LWP 3929)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00007fb5cd4df9c5 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb5cd474f21 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb5cd4754ab in g_async_queue_timeout_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fb5cd4c4686 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb5cd4c3c35 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007fb5ce2fe182 in start_thread (arg=0x7fb5b959a700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb5b959a700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140418475468544, 2617010013217962848, 0, 0, 140418475469248, 140418475468544, -2649789973456274592, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 5 (Thread 0x7fb5bc07b700 (LWP 3925)):
#0  0x00007fb5ce60174d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5cd49ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb5cd49ee6c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb5bc08315d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007fb5cd4c3c35 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb5ce2fe182 in start_thread (arg=0x7fb5bc07b700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb5bc07b700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140418520430336, 2617010013217962848, 0, 0, 140418520431040, 140418520430336, -2649800265808528544, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 4 (Thread 0x7fb5d10a2780 (LWP 3922)):
#0  0x00007fb5ce60174d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5cd49ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb5cd49ee6c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb5d0aeb76c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007fb5d0aa584b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007fb5d0aaafa1 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007fb5d10dfac9 in BrowserApplication::run() ()
No symbol table info available.
#7  0x00007fb5d10df8b5 in main ()
No symbol table info available.
.
Thread 3 (Thread 0x7fb5b9d9b700 (LWP 3954)):
#0  0x00007fb5ce60174d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5cd49ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb5cd49ee6c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb5d0aeb76c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007fb5d0aa584b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007fb5d0925512 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007fb5d0929186 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007fb5ce2fe182 in start_thread (arg=0x7fb5b9d9b700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb5b9d9b700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140418483861248, 2617010013217962848, 0, 0, 140418483861952, 140418483861248, -2649788875555259552, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 2 (Thread 0x7fb536c9e700 (LWP 3947)):
#0  0x00007fb5ce60174d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb5cd49ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb5cd49ee6c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb5d0aeb78b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007fb5d0aa584b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007fb5d0925512 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007fb5d0929186 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007fb5ce2fe182 in start_thread (arg=0x7fb536c9e700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb536c9e700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140416285009664, 2617010013217962848, 0, 0, 140416285010368, 140416285009664, -2649505064653210784, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 1 (Thread 0x7fb53749f700 (LWP 3946)):
#0  0x00007fb598cc0901 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
No symbol table info available.
#1  0x00007fb598cc53bb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
No symbol table info available.
#2  0x00007fb598cc5f86 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
No symbol table info available.
#3  0x00007fb598dce571 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
No symbol table info available.
#4  0x00007fb5cfc47aa4 in QSGDefaultRenderer::renderNodes(QSGNode* const*, int) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#5  0x00007fb5cfc4853c in QSGDefaultRenderer::render() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#6  0x00007fb5cfc4dcb8 in QSGRenderer::renderScene(QSGBindable const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#7  0x00007fb5cfc4dde7 in QSGRenderer::renderScene() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#8  0x00007fb5cfc57345 in QSGContext::renderNextFrame(QSGRenderer*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#9  0x00007fb5cfc8436a in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#10 0x00007fb5cfd66363 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#11 0x00007fb5d0929186 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#12 0x00007fb5ce2fe182 in start_thread (arg=0x7fb53749f700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7fb53749f700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140416293402368, 2617010013217962848, 0, 0, 140416293403072, 140416293402368, -2649503966752195744, -2649558169186649248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#13 0x00007fb5ce60eb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.