#0  0x00007f1439ce33eb in raise () from /tmp/apport_sandbox_41x_x1p7/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f143b6faa9a in KCrash::defaultCrashHandler (sig=6) at ./src/kcrash.cpp:578
        crashRecursionCounter = 3
#2  <signal handler called>
No symbol table info available.
#3  0x00007f1439ce33eb in raise () from /tmp/apport_sandbox_41x_x1p7/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007f1439cc2899 in abort () from /tmp/apport_sandbox_41x_x1p7/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#5  0x00007f1416fa60f5 in pa_close_pipe () from /tmp/apport_sandbox_41x_x1p7/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.0.so
No symbol table info available.
#6  0x00007f142009f6c6 in pa_mainloop_free () from /tmp/apport_sandbox_41x_x1p7/usr/lib/x86_64-linux-gnu/libpulse.so.0.21.1
No symbol table info available.
#7  0x00007f14200af552 in pa_threaded_mainloop_free () from /tmp/apport_sandbox_41x_x1p7/usr/lib/x86_64-linux-gnu/libpulse.so.0.21.1
No symbol table info available.
#8  0x00007f14204c2c8e in pulse_driver_destroy (c=0x562a79dac850) at pulse.c:471
        p = 0x562a759528d0
        __PRETTY_FUNCTION__ = "pulse_driver_destroy"
#9  0x00007f1439395efb in driver_destroy (c=c@entry=0x562a79dac850) at dso.c:292
        p = 0x562a72867b10
        ret = 0
        __PRETTY_FUNCTION__ = "driver_destroy"
#10 0x00007f143938d658 in ca_context_destroy (c=0x562a79dac850) at common.c:186
        ret = 0
        __PRETTY_FUNCTION__ = "ca_context_destroy"
#11 0x00007f143b74abe4 in NotifyByAudio::~NotifyByAudio (this=0x562a7030ac20, __in_chrg=<optimized out>) at ./src/notifybyaudio_canberra.cpp:68
No locals.
#12 0x00007f143b74ac7d in NotifyByAudio::~NotifyByAudio (this=0x562a7030ac20, __in_chrg=<optimized out>) at ./src/notifybyaudio_canberra.cpp:65
No locals.
#13 0x00007f143a32b17e in QObjectPrivate::deleteChildren (this=this@entry=0x562a745d0b80) at kernel/qobject.cpp:2016
        i = <optimized out>
#14 0x00007f143a33575f in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:1032
        d = <optimized out>
        sharedRefcount = <optimized out>
        d = <optimized out>
        sharedRefcount = <optimized out>
        signalSlotMutex = <optimized out>
        locker = <optimized out>
        node = <optimized out>
        connectionListsCount = <optimized out>
        signal = <optimized out>
        connectionList = <optimized out>
        c = <optimized out>
        m = <optimized out>
        needToUnlock = <optimized out>
        sender = <optimized out>
        m = <optimized out>
        needToUnlock = <optimized out>
        senderLists = <optimized out>
        slotObj = <optimized out>
#15 0x00007f143b71f66d in KNotificationManagerSingleton::~KNotificationManagerSingleton (this=<optimized out>, __in_chrg=<optimized out>) at ./src/knotificationmanager.cpp:73
No locals.
#16 (anonymous namespace)::Q_QGS_s_self::Holder::~Holder (this=<optimized out>, __in_chrg=<optimized out>) at ./src/knotificationmanager.cpp:79
No locals.
#17 0x00007f1439ce6ba7 in ?? () from /tmp/apport_sandbox_41x_x1p7/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#18 0x00007f1439ce6d60 in exit () from /tmp/apport_sandbox_41x_x1p7/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#19 0x00007f142d1611f4 in submit_batch (out_fence_fd=<optimized out>, in_fence_fd=<optimized out>, brw=0x562a6fd2fe00) at ../src/mesa/drivers/dri/i965/intel_batchbuffer.c:827
        dri_screen = <optimized out>
        batch = 0x562a6fd42070
        ret = <optimized out>
        dri_screen = <optimized out>
        batch = <optimized out>
        ret = <optimized out>
        bo_map = <optimized out>
        flags = <optimized out>
        state_index = <optimized out>
        entry = <optimized out>
        entry = <optimized out>
        tmp = <optimized out>
        tmp_bo = <optimized out>
        index = <optimized out>
#20 _intel_batchbuffer_flush_fence (brw=0x562a6fd2fe00, in_fence_fd=<optimized out>, out_fence_fd=<optimized out>, file=<optimized out>, line=<optimized out>) at ../src/mesa/drivers/dri/i965/intel_batchbuffer.c:880
        ret = <optimized out>
#21 0x00007f142dfdee07 in loader_dri3_swap_buffers_msc (draw=0x7f1390004888, target_msc=0, divisor=0, remainder=0, flush_flags=<optimized out>, force_copy=<optimized out>) at ../src/loader/loader_dri3_helper.c:917
        back = <optimized out>
        ret = 0
        options = 0
#22 0x00007f142e0bed6a in QGLXContext::swapBuffers (this=0x7f143000a1a0, surface=0x562a6d47bc20) at qglxintegration.cpp:613
        glxDrawable = <optimized out>
        platformWindow = <optimized out>
#23 0x00007f143a7287f1 in QOpenGLContext::swapBuffers (this=0x562a6bdd4e00, surface=<optimized out>) at kernel/qopenglcontext.cpp:1115
        d = 0x562a6fc583e0
        surfaceHandle = 0x562a6d47bc20
#24 0x00007f143bf55caa in QSGRenderThread::syncAndRender (this=this@entry=0x562a6fc6b110) at scenegraph/qsgthreadedrenderloop.cpp:652
        profileFrames = <optimized out>
        waitTimer = {t1 = 8058, t2 = 130239736}
        d = 0x562a6be11320
        repaintRequested = <optimized out>
        syncRequested = <optimized out>
        exposeRequested = false
        current = <optimized out>
#25 0x00007f143bf599d8 in QSGRenderThread::run (this=0x562a6fc6b110) at scenegraph/qsgthreadedrenderloop.cpp:730
No locals.
#26 0x00007f143a13acc2 in QThreadPrivate::start (arg=0x562a6fc6b110) at thread/qthread_unix.cpp:361
        thr = 0x562a6fc6b110
        data = <optimized out>
        __clframe = {__cancel_routine = 0x7f143a13a330 <QThreadPrivate::finish(void*)>, __cancel_arg = 0x562a6fc6b110, __do_it = 1, __cancel_type = <optimized out>}
#27 0x00007f14395bd669 in start_thread () from /tmp/apport_sandbox_41x_x1p7/lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#28 0x00007f1439dbf323 in clone () from /tmp/apport_sandbox_41x_x1p7/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.