hi all you wrote: >>> Going back to my other suspicion, it might be incompatibility with the >>> rootless xorg that's in stretch/sid. >>> >>> Can you please try to install: >>> >>> xserver-xorg-legacy >> >> it is installed > > Hi, > > I had finally time to get a Sid partition up and running on my optimus > laptop (GT550M). Contrary to what I was expecting, the default > configuration of rootless Xorg works just fine with bumblebee. But I > had problems once I installed xserver-xorg-legacy. > > So, could you please try to apt-get remove --purge xserver-xorg-legacy > and restart your X session (logout of Gnome or reboot) and try again? > > Kind regards, > Luca Boccassi
$ apt-get remove --purge xserver-xorg-legacy this worked - thanks luca a lot in firefox-esr 45.0.1 about:support Graphics Adapter Description NVIDIA Corporation -- GeForce 610M/PCIe/SSE2 Asynchronous Pan/Zoom none Device ID GeForce 610M/PCIe/SSE2 Driver Version 4.5.0 NVIDIA 352.79 GPU Accelerated Windows 0/1 Basic (OMTC) Blocked for your graphics driver version. Try updating your graphics driver to version <Anything with EXT_texture_from_pixmap support> or newer. Supports Hardware H264 Decoding No; Vendor ID NVIDIA Corporation WebGL Renderer NVIDIA Corporation -- GeForce 610M/PCIe/SSE2 windowLayerManagerRemote true AzureCanvasBackend cairo AzureContentBackend cairo AzureFallbackCanvasBackend none AzureSkiaAccelerated 0 CairoUseXRender 1 the card supports H.264, VC1, MPEG2 1080p video decorders but doesn't _specifically_ say if hardware/software http://www.geforce.com/hardware/notebook-gpus/geforce-610m/specifications from above Supports Hardware H264 Decoding No; is this to be expected ?

