https://bugs.kde.org/show_bug.cgi?id=356394
--- Comment #4 from zeroping+kdeb...@gmail.com --- I think I've narrowed this one down a bit. It looks like qsgrl_animation_interval () at scenegraph/qsgthreadedrenderloop.cpp:111 is calling QScreen::refreshRate() on a screen that is null. I don't have all of the source that built my Debian package, but it almost certainly has something like this in it: qreal refreshRate = QGuiApplication::primaryScreen()->refreshRate(); (This is some from code that looks about right, here: http://code.qt.io/cgit/qt/qtdeclarative.git/tree/src/quick/scenegraph/qsgthreadedrenderloop.cpp?id=06ff96d49159274aa47584db58c5451f28f1cb36 ) It looks like, yes, QGuiApplication::primaryScreen() is allowed to return null when there are no screens, which I'm guessing happens for a moment under the Nvidia driver when the display is asleep: http://doc.qt.io/qt-5/qguiapplication.html#primaryScreen So, does that make this a Qt bug? I'm just an innocent bystander here, so if anyone has knowledge, feel free to chime in. Looks like this might be a one-line patch for someone who knows what they're doing. -- You are receiving this mail because: You are watching all bug changes.
