$ VirtualBox
Qt WARNING: QXcbShmImage: shmget() failed (22: Argument invalide) for size -587126492 (1082645x714085)
Qt WARNING: QWidget::paintEngine: Should no longer be called
Qt WARNING: QPainter::begin: Paint device returned engine == 0, type: 1
Qt WARNING: QPainter::setClipRect: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::pen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::setClipRect: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::pen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::setClipRect: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::pen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::setClipRegion: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QWidget::paintEngine: Should no longer be called
Qt WARNING: QPainter::begin: Paint device returned engine == 0, type: 1
Qt WARNING: QWidget::paintEngine: Should no longer be called
Qt WARNING: QPainter::begin: Paint device returned engine == 0, type: 1
Qt WARNING: QWidget::paintEngine: Should no longer be called
Qt WARNING: QPainter::begin: Paint device returned engine == 0, type: 1
Qt WARNING: QPainter::setFont: Painter not active
Qt WARNING: QPainter::pen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QWidget::paintEngine: Should no longer be called
Qt WARNING: QPainter::begin: Paint device returned engine == 0, type: 1
Qt WARNING: QPainter::setFont: Painter not active
Qt WARNING: QPainter::pen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QWidget::paintEngine: Should no longer be called
Qt WARNING: QPainter::begin: Paint device returned engine == 0, type: 1
Qt WARNING: QPainter::setFont: Painter not active
Qt WARNING: QPainter::pen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::pen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QWidget::paintEngine: Should no longer be called
Qt WARNING: QPainter::begin: Paint device returned engine == 0, type: 1
Qt WARNING: QPainter::setFont: Painter not active
Qt WARNING: QPainter::pen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QWidget::paintEngine: Should no longer be called
Qt WARNING: QPainter::begin: Paint device returned engine == 0, type: 1
Qt WARNING: QPainter::setRenderHint: Painter must be active to set rendering hints
Qt WARNING: QPainter::setRenderHint: Painter must be active to set rendering hints
Qt WARNING: QPainter::worldTransform: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::setWorldTransform: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::setOpacity: Painter not active
Qt WARNING: QPainter::opacity: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::setWorldTransform: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::setOpacity: Painter not active
Qt WARNING: QPainter::opacity: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::setWorldTransform: Painter not active
Qt WARNING: QPainter::end: Painter not active, aborted
Qt WARNING: QWidget::paintEngine: Should no longer be called
Qt WARNING: QPainter::begin: Paint device returned engine == 0, type: 1
Qt WARNING: QPainter::setRenderHint: Painter must be active to set rendering hints
Qt WARNING: QPainter::setRenderHint: Painter must be active to set rendering hints
Qt WARNING: QPainter::worldTransform: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::setWorldTransform: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::setOpacity: Painter not active
Qt WARNING: QPainter::opacity: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::setWorldTransform: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::setOpacity: Painter not active
Qt WARNING: QPainter::opacity: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::setFont: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::setWorldTransform: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::setOpacity: Painter not active
Qt WARNING: QPainter::opacity: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::setPen: Painter not active
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::setFont: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::save: Painter not active
Qt WARNING: QPainter::setFont: Painter not active
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::restore: Unbalanced save/restore
Qt WARNING: QPainter::setWorldTransform: Painter not active
Qt WARNING: QPainter::end: Painter not active, aborted
Qt WARNING: QWidget::paintEngine: Should no longer be called
Qt WARNING: QPainter::begin: Paint device returned engine == 0, type: 1
Qt WARNING: QXcbShmImage: shmget() failed (22: Argument invalide) for size -587126492 (1082645x714085)
Qt WARNING: QWidget::paintEngine: Should no longer be called
Qt WARNING: QPainter::begin: Paint device returned engine == 0, type: 1
Qt WARNING: QPainter::setRenderHint: Painter must be active to set rendering hints
Qt WARNING: QPainter::setRenderHint: Painter must be active to set rendering hints