Details
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Bug
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Resolution: Incomplete
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Not Evaluated
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None
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5.12.2
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None
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macOS 10.13.x, 10.14.x
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macOS
Description
Our application has been using QOpenGL 1.1 since 4.x days without issues. With Qt 5.12, the following crash occurs about 25% of times upon opening the app:
#0 0x10d2f6568 in QOpenGLContext::format() const (QtGui:x86_64+0x78568) #1 0x10d5dbffc in QOpenGLFunctions_1_1::initializeOpenGLFunctions() (QtGui:x86_64+0x35dffc) #2 0x10a4d959f in MirVenueWidget::initializeGL() mirvenuewidget.cpp:523 #3 0x10d2fb63e in QOpenGLWindowPrivate::initialize() (QtGui:x86_64+0x7d63e) #4 0x10d2fc475 in QOpenGLWindow::resizeEvent(QResizeEvent*) (QtGui:x86_64+0x7e475) #5 0x10d2c16d1 in QWindow::event(QEvent*) (QtGui:x86_64+0x436d1) #6 0x10a4df027 in MirVenueWidget::event(QEvent*) mirvenuewidget.cpp:1074 #7 0x10cceb8ec in QApplicationPrivate::notify_helper(QObject*, QEvent*) (QtWidgets:x86_64+0x108ec) #8 0x10cceccf1 in QApplication::notify(QObject*, QEvent*) (QtWidgets:x86_64+0x11cf1) #9 0x10db4aef3 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (QtCore:x86_64+0x1e8ef3) #10 0x10d2b4a92 in QGuiApplicationPrivate::processGeometryChangeEvent(QWindowSystemInterfacePrivate::GeometryChangeEvent*) (QtGui:x86_64+0x36a92) #11 0x10d2b51e8 in QGuiApplicationPrivate::processWindowScreenChangedEvent(QWindowSystemInterfacePrivate::WindowScreenChangedEvent*) (QtGui:x86_64+0x371e8) #12 0x10d294512 in bool QWindowSystemInterfacePrivate::handleWindowSystemEvent<QWindowSystemInterface::SynchronousDelivery>(QWindowSystemInterfacePrivate::WindowSystemEvent*) (QtGui:x86_64+0x16512) #13 0x1133a35ca in QCocoaWindow::createNSWindow(bool) (libqcocoa.dylib:x86_64+0x1b5ca) #14 0x11339d1b1 in QCocoaWindow::recreateWindowIfNeeded() (libqcocoa.dylib:x86_64+0x151b1) #15 0x11339cc3a in QCocoaWindow::initialize() (libqcocoa.dylib:x86_64+0x14c3a) #16 0x10d2bddbb in QWindowPrivate::create(bool, unsigned long long) (QtGui:x86_64+0x3fdbb) #17 0x10a4d7185 in MirVenueWidget::MirVenueWidget(MirEngine&, QWidget*) mirvenuewidget.cpp:103