Comment 2 for bug 1594358

A fuller trace for connection:
#0 0xffffffff in QSGTexture::setFiltering(QSGTexture::Filtering) (this=0x6d) at /usr/include/arm-linux-gnueabihf/qt5/QtCore/qscopedpointer.h:135
#1 0xffffffff in QSGTexture::setFiltering(QSGTexture::Filtering) (p=...) at /usr/include/arm-linux-gnueabihf/qt5/QtCore/qglobal.h:961
#2 0xffffffff in QSGTexture::setFiltering(QSGTexture::Filtering) (this=0x69) at scenegraph/util/qsgtexture.h:47
#3 0xffffffff in QSGTexture::setFiltering(QSGTexture::Filtering) (this=0x69, filter=QSGTexture::Linear) at scenegraph/util/qsgtexture.cpp:445
#4 0xffffffff in QQuickAnimatedSprite::updatePaintNode(QSGNode*, QQuickItem::UpdatePaintNodeData*) (this=0x4faf40) at items/qquickanimatedsprite.cpp:556
#5 0xffffffff in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) (this=this@entry=0x38f720, item=item@entry=0x4faf40) at items/qquickwindow.cpp:2821
        clipEffectivelyChanged = <optimized out>
        dirty = 73792
        effectRefCount = <optimized out>
        effectRefEffectivelyChanged = <optimized out>
#6 0xffffffff in QQuickWindowPrivate::updateDirtyNodes() (this=this@entry=0x38f720) at items/qquickwindow.cpp:2646
        item = 0x4faf40
        updateList = 0x0
#7 0xffffffff in QQuickWindowPrivate::syncSceneGraph() (this=this@entry=0x38f720) at items/qquickwindow.cpp:338
        _qml_memory_scope = {pushed = false}
        mode = <optimized out>
#8 0xffffffff in QSGRenderThread::sync(bool) (this=this@entry=0x10b6510, inExpose=inExpose@entry=true) at scenegraph/qsgthreadedrenderloop.cpp:510
        hadRenderer = false
        current = <optimized out>
#9 0xffffffff in QSGRenderThread::syncAndRender() (this=this@entry=0x10b6510) at scenegraph/qsgthreadedrenderloop.cpp:553
        profileFrames = <optimized out>
        pending = 7
        current = <optimized out>
        waitTimer = {t1 = 74, t2 = 669961659}
#10 0xffffffff in QSGRenderThread::run() (this=0x10b6510) at scenegraph/qsgthreadedrenderloop.cpp:663
#11 0xffffffff in () at /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#12 0xffffffff in start_thread (arg=0x0) at pthread_create.c:335
        pd = 0x0
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1453893696, -2045006455, -651332592, -6283480, 0, -651334112, -651332028, 0, -145804768, 0 <repeats 55 times>}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0,
0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#13 0xffffffff in () at ../sysdeps/unix/sysv/linux/arm/clone.S:89