<div dir="ltr"><br><div class="gmail_extra">I reboot after the update, because I work with VM and just reboot now.<br><br></div><div class="gmail_extra">The output of glxinfo -b is:<br><br><span style="font-family:monospace,monospace">name of display: :0.0<br>display: :0 screen: 0<br>direct rendering: Yes<br>OpenGL vendor string: NVIDIA Corporation<br>OpenGL renderer string: GeForce GTX 960/PCIe/SSE2<br>OpenGL core profile version string: 4.5.0 NVIDIA 375.66<br>OpenGL core profile shading language version string: 4.50 NVIDIA<br>OpenGL core profile context flags: (none)<br>OpenGL core profile profile mask: core profile<br><br>OpenGL version string: 4.5.0 NVIDIA 375.66<br>OpenGL shading language version string: 4.50 NVIDIA<br>OpenGL context flags: (none)<br>OpenGL profile mask: (none)<br><br>OpenGL ES profile version string: OpenGL ES 3.2 NVIDIA 375.66<br>OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20</span><br><br><br><br></div><div class="gmail_extra"><div class="gmail_quote">On 20 March 2018 at 20:19, Florian Bruhin <span dir="ltr"><<a href="mailto:me@the-compiler.org" target="_blank">me@the-compiler.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br>
<span class="gmail-"><br>
On Tue, Mar 20, 2018 at 08:16:28PM +0000, Starglider Developer wrote:<br>
> just update Linux Debian and the code that show a html page using:<br>
><br>
> QtWebEngineWidgets.<wbr>QWebEngineView<br>
><br>
> no longer works and gives a black windows the this error<br>
><br>
><br>
> QOpenGLShaderProgram::<wbr>uniformLocation( qt_Matrix ): shader program is not<br>
> linked<br>
> QOpenGLShaderProgram: could not create shader program<br>
> QOpenGLShader: could not create shader<br>
> QOpenGLShader: could not create shader<br>
> shader compilation failed:<br>
> ""<br>
<br>
</span>Have you tried rebooting after the update? If not, try that - that seems<br>
to help with similar issues, especially on Nvidia graphic cards.<br>
<br>
If not: Can you show the output of "glxinfo -B" (part of mesa-utils)<br>
please?<br>
<span class="gmail-HOEnZb"><font color="#888888"><br>
Florian<br>
<br>
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</font></span></blockquote></div><br></div></div>