[PyQt] After update Linux Debian get "shader compilation failed"

[Florian Bruhin]

Hi,

On Tue, Mar 20, 2018 at 08:16:28PM +0000, Starglider Developer wrote:
> just update Linux Debian and the code that show a html page using:
> 
> QtWebEngineWidgets.QWebEngineView
> 
> no longer works and gives a black windows the this error
> 
> 
> QOpenGLShaderProgram::uniformLocation( qt_Matrix ): shader program is not
> linked
> QOpenGLShaderProgram: could not create shader program
> QOpenGLShader: could not create shader
> QOpenGLShader: could not create shader
> shader compilation failed:
> ""

Have you tried rebooting after the update? If not, try that - that seems
to help with similar issues, especially on Nvidia graphic cards.

If not: Can you show the output of "glxinfo -B" (part of mesa-utils)
please?

Florian

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