Shotcut crashes at start
Shotcut crashes at launch. The application starts to render a window and inmediatly quits.
Gdb shows the following backtrace
` #0 0x00003fffeb068350 in () at /usr/lib64/dri/nouveau_dri.so
#1 (closed) 0x00003fffeb068b9c in () at /usr/lib64/dri/nouveau_dri.so
#2 (closed) 0x00003fffeb068b9c in () at /usr/lib64/dri/nouveau_dri.so
#3 (closed) 0x00003fffeb05b660 in () at /usr/lib64/dri/nouveau_dri.so
#4 (closed) 0x00003fffead56be8 in () at /usr/lib64/dri/nouveau_dri.so
#5 (closed) 0x00003fffeab28348 in () at /usr/lib64/dri/nouveau_dri.so
#6 (closed) 0x00003fffed1098b0 in () at /usr/lib64/libglapi.so.0
#7 (closed) 0x00003ffff71946e8 in QOpenGLFunctions::glClear(unsigned int) (mask=4294954304, this=) at /usr/include/qt5/QtGui/qopenglfunctions.h:620
#8 (closed) 0x00003ffff71946e8 in QSGBindable::clear(QFlagsQSGAbstractRenderer::ClearModeBit) const (this=, mode=...) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/coreapi/qsgrenderer.cpp:77
#9 (closed) 0x00003ffff71a14f8 in QSGBatchRenderer::Renderer::renderBatches() (this=0x1124fda0) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:2542
#10 (closed) 0x00003ffff71a819c in QSGBatchRenderer::Renderer::render() (this=0x1124fda0) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:2768
#11 (closed) 0x00003ffff7195140 in QSGRenderer::renderScene(QSGBindable const&) (this=0x1124fda0, bindable=...) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/coreapi/qsgrenderer.cpp:243
#12 (closed) 0x00003ffff71ee2f0 in QSGDefaultLayer::grab() (this=0x11336c60) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/qsgdefaultlayer.cpp:431
#13 (closed) 0x00003ffff71eed80 in QSGDefaultLayer::updateTexture() (this=) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/qsgdefaultlayer.cpp:180
#14 (closed) 0x00003ffff73d8ac8 in QQuickOpenGLShaderEffectMaterial::updateTextures() const (this=0x1136c130) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/items/qquickopenglshadereffectnode.cpp:467
#15 (closed) 0x00003ffff73d8b24 in QQuickOpenGLShaderEffectNode::preprocess() (this=) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/items/qquickopenglshadereffectnode.cpp:509
#16 0x00003ffff719592c in QSGRenderer::preprocess() (this=0x11250010) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/coreapi/qsgrenderer.cpp:304
#17 (closed) 0x00003ffff71950cc in QSGRenderer::renderScene(QSGBindable const&) (this=0x11250010, bindable=...) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/coreapi/qsgrenderer.cpp:220
#18 0x00003ffff71ee2f0 in QSGDefaultLayer::grab() (this=0x1136c6d0) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/qsgdefaultlayer.cpp:431
#19 (closed) 0x00003ffff71eed80 in QSGDefaultLayer::updateTexture() (this=) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/qsgdefaultlayer.cpp:180
#20 (closed) 0x00003ffff71cf1d8 in QSGBasicInternalImageNode::preprocess() (this=0x1136c990) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/qsgbasicinternalimagenode.cpp:165
#21 (closed) 0x00003ffff719592c in QSGRenderer::preprocess() (this=0x11002e90) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/coreapi/qsgrenderer.cpp:304
#22 (closed) 0x00003ffff71950cc in QSGRenderer::renderScene(QSGBindable const&) (this=0x11002e90, bindable=...) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/coreapi/qsgrenderer.cpp:220
#23 (closed) 0x00003ffff7195728 in QSGRenderer::renderScene(unsigned int) (this=, fboId=) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/coreapi/qsgrenderer.cpp:189
#24 0x00003ffff71e5198 in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) (this=0x1079c940, renderer=0x11002e90, fboId=) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/scenegraph/qsgdefaultrendercontext.cpp:181
#25 (closed) 0x00003ffff7269748 in QQuickWindowPrivate::renderSceneGraph(QSize const&) (this=0x107c5680, size=...) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/items/qquickwindow.cpp:474
#26 (closed) 0x00003ffff7365fa0 in QQuickRenderControl::render() (this=) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quick/items/qquickrendercontrol.cpp:344
#27 0x00003ffff7dc0828 in QQuickWidgetPrivate::render(bool) (this=this@entry=0x107c52e0, needsSync=needsSync@entry=true) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quickwidgets/qquickwidget.cpp:288
#28 0x00003ffff7dc0b1c in QQuickWidgetPrivate::renderSceneGraph() (this=0x107c52e0) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quickwidgets/qquickwidget.cpp:339
#29 (closed) 0x00003ffff5a81050 in QObject::event(QEvent*) (this=0x107a71e8, e=) at /usr/src/debug/qtbase/5.9.6+gitAUTOINC+9c50112304-r0/git/src/corelib/kernel/qobject.cpp:1269
#30 0x00003ffff77c97a4 in QWidget::event(QEvent*) (this=0x107a71e8, event=0x3fffffffeb60) at /usr/src/debug/qtbase/5.9.6+gitAUTOINC+9c50112304-r0/git/src/widgets/kernel/qwidget.cpp:9346
#31 (closed) 0x00003ffff7dc5e84 in QQuickWidget::event(QEvent*) (this=0x107a71e8, e=0x3fffffffeb60) at /usr/src/debug/qtdeclarative/5.9.6+gitAUTOINC+283a900c4e-r0/git/src/quickwidgets/qquickwidget.cpp:1501
#32 0x00003ffff776baf8 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=0x103d0cc0, receiver=0x107a71e8, e=0x3fffffffeb60)`
So maybe is an nvidia driver issue. The machine is a Power Mac Dual G5.
The same application can be executed in Qemu where starts normally but using a wrong backgorund color (blue instead of dark gray)