Am 12.02.2016 um 09:39 schrieb Hunger Tobias:
On Do, 2016-02-11 at 23:13 +0200, Nikos Chantziaras wrote:
When I run an application that displays a QQuickWidget outside of
Creator, everything is fine. However, when running it in Creator (with
or without debugger), the application freezes at the moment the
QQuickWidget is used, and I get this error in "Application Output":
Unrecognized OpenGL version
Unrecognized OpenGL version
What is wrong here?
I'm on Linux 64-bit, with Qt Creator 3.6.0.
Hello Nikos,
I had a similar problem before: Apparently some Linux graphics drivers lock up
when two applications try to use GL at the same time:-/
Your QML-using application is one program, and Qt Creator requires GL for the
QMLProfiler/QMLDesigner and the Welcome plugin. The first two are only loaded on
demand, but the Welcome page is shown directly. To prevent that, you can try to
start Qt Creator with "-noload Welcome" options.
If your application starts then without freezing Qt Creator, then you can try to
experiment with your graphics drivers.
You should get the same freezes by starting any two openGL applications at the
same time (e.g. two instances of GLXgears).
Best Regards,
Tobias
Hi *,
for completeness' sake, that issue is
https://bugreports.qt.io/browse/QTBUG-49334
Best Regards,
Robert
--
Robert Löhning, Software Engineer - The Qt Company
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