More INFO Running driconf, I see the following message:
Xlib: extension "XFree86-DRI" missing on display ":0.0". However, inside the xorg.0.log, I see: (II) AIGLX: enabled GLX_MESA_copy_sub_buffer (II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects (II) AIGLX: Loaded and initialized /usr/lib/dri/i965_dri.so (II) GLX: Initialized DRI2 GL provider for screen 0 Any help? Thank you, Massimiliano
