I'm not an OpenGL expert, so this might be completely unrelated, but this reminded me of
http://lists.qt-project.org/pipermail/interest/2016-October/025009.html On 21.04.2017 14:51, Xavier Bigand wrote: > Hi Oliver, > > All other applications that crash at startup on the hardware on which > we also have the issue are made with Qt, games and all other > applications are running fine. > We finally found that it is specific to the latest Nvidia driver > 381.65 and at least geforce 1070 and 1060, we have tested on an other > computer with a 1080 and the same driver version that doesn't have the > issue. > > OpenGL Nvidia drivers often crash with bad inputs, and you are right > it is boring because in this case we can't use Nsight or other things > to debug. > > There is a lot of wrong OpenGL commands that can generate a good > result depending on drivers and hardware. This is the case with FBO on > that we can read and write at the same time with Nvidia and AMD GPUs, > but not with Intel ones. I think that is because Nividia or AMD have > some code that fix some common wrong commands in their driver to make > OpenGL easier to use. > > I will fill a bug to Nvidia. > > Thank you all. > > > 2017-04-21 12:59 GMT+02:00 Till Oliver Knoll > <till.oliver.kn...@gmail.com <mailto:till.oliver.kn...@gmail.com>>: > > > > > Am 20.04.2017 um 21:04 schrieb Xavier Bigand > <flamaros.xav...@gmail.com <mailto:flamaros.xav...@gmail.com>>: > > > > It is not necessary a bug from Nvidia, it can comes from bad > parameters to functions like glDrawElements. Nividia drivers don't > check a lot the parameters and given wrong values can cause buffer > overflows,... > > Still a bug in nVidia code then. Again, an OpenGL driver is *not* > supposed to crash, even with bad input. That's what the OpenGL > standard mandates... > > And buffer overflows, God beware :) Report this to nVidia asap > (you might get a reward for discovering a security hole ;)). > > Cheers, > Oliver > _______________________________________________ > Interest mailing list > Interest@qt-project.org <mailto:Interest@qt-project.org> > http://lists.qt-project.org/mailman/listinfo/interest > <http://lists.qt-project.org/mailman/listinfo/interest> > > > > > -- > Xavier > > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest -- Viktor Engelmann Software Engineer The Qt Company GmbH Rudower Chaussee 13 D-12489 Berlin viktor.engelm...@qt.io +49 151 26784521 http://qt.io Geschäftsführer: Mika Pälsi, Juha Varelius, Mika Harjuaho Sitz der Gesellschaft: Berlin Registergericht: Amtsgericht Charlottenburg, HRB 144331 B
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