Comment 5 for bug 1956144

#0 0xb534b1b0 in XForceScreenSaver () at /lib/arm-linux-gnueabihf/libX11.so.6
#1 0xb534b230 in XResetScreenSaver () at /lib/arm-linux-gnueabihf/libX11.so.6
#2 0x004df488 in mixxx::ScreenSaverHelper::triggerUserActivity() () at /code/src/util/screensaver.cpp:177
#3 0x006dd174 in Controller::triggerActivity() (this=0xa68e4a60) at /code/src/controllers/controller.cpp:112
#4 0x00907540 in MidiController::receivedShortMessage(unsigned char, unsigned char, unsigned char, mixxx::Duration)
    (this=this@entry=0xa68e4a60, status=status@entry=144 '\220', control=<optimized out>, value=<optimized out>, timestamp=...) at /code/src/controllers/midi/midicontroller.cpp:234
#5 0x006feb3c in PortMidiController::poll() (this=0xa68e4a60) at /code/src/controllers/midi/portmidicontroller.cpp:155
#6 0x0021bcd8 in ControllerManager::pollDevices() (this=0x2a13ae4) at /code/src/controllers/controllermanager.cpp:362
#7 0xb2ee9044 in () at /lib/arm-linux-gnueabihf/libQt5Core.so.5
#8 0xb2eedc2c in QTimer::timeout(QTimer::QPrivateSignal) () at /lib/arm-linux-gnueabihf/libQt5Core.so.5
#9 0xb2edd468 in QObject::event(QEvent*) () at /lib/arm-linux-gnueabihf/libQt5Core.so.5
#10 0xb5b60534 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/arm-linux-gnueabihf/libQt5Widgets.so.5
#11 0xb2ea9c2c in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/arm-linux-gnueabihf/libQt5Core.so.5
#12 0xb2f0fb80 in QTimerInfoList::activateTimers() () at /lib/arm-linux-gnueabihf/libQt5Core.so.5
#13 0xb2f105b0 in () at /lib/arm-linux-gnueabihf/libQt5Core.so.5
#14 0xb1ea172c in g_main_context_dispatch () at /lib/arm-linux-gnueabihf/libglib-2.0.so.0