[vtkusers] Segmentation Fault: vtkXOpenGLRenderWindow::MakeCurrent

[Mikhail Pukhlikov]

It's very strange but dowgrading nvidia driver from 378.09 (where they enabled multithread optimizations) helped me there...

I will wait for more people to confirm whether it's related or not but sumhow problem is disappeared after downgrade gpu driver for me

On Thu, 2017-01-26 at 09:54 -0500, Ken Martin wrote:
> Also in VTK 7.0 there were cases where when working with multiple windows or removing actors/mappers/textures from a live window could cause this type of error. If you have just one window and are
> not removing actors/mappers/textures from it then I'm not sure what it is. 
> 
> On Thu, Jan 26, 2017 at 9:41 AM, Dan Lipsa <dan.lipsa at kitware.com> wrote:
> > Random crashes are often caused by memory overwrites. Try to use valgrind on your program, maybe you'll see something.
> > Also, try to run your program on a different machine with a different OpenGL driver. Do you get the same?
> > 
> > Dan
> > 
> > 
> > On Thu, Jan 26, 2017 at 6:34 AM, Mikhail Pukhlikov <mikhail.pukhlikov at outlook.com> wrote:
> > > I'm getting (very often but randomly) segfault on vtkXOpenGLRenderWindow::MakeCurrent
> > > 
> > > on glXMakeCurrent
> > > 
> > > Linux, Nvidia, mesa 13.0.3
> > > 
> > > VTK 7.0
> > > 
> > > What are possible reasons? How can I deduce it? Thank you!
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> Ken Martin PhD
> Chairman & CFO
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