Could you please provide the used graphics card and driver?
I am not familiar with Ubuntu anymore but something like this may work:
lspci -nnk | grep -i VGA -A2
If you have package mesa-utils installed:
glxinfo | grep 'OpenGL version string'
Could you please provide the used graphics card and driver?
I am not familiar with Ubuntu anymore but something like this may work:
lspci -nnk | grep -i VGA -A2
If you have package mesa-utils installed:
glxinfo | grep 'OpenGL version string'