Am 30.08.2016 um 20:09 schrieb Emil Velikov: > I second Ilia here. Using bbswitch in conjunction with any driver (be > that nouveau or the proprietary one) is a bad idea. > I removed bbswitch from my system and will use vgaswitcheroo to check the GPU power state from now. > (If Ilia's suggestions does not help) Confirm if the freeze is due > to/as the GPU is powered on or off. > Yeah, the freeze is caused by the switched off GPU. Waited for the nouveau driver to switch it off, before starting the graphical user interface... > Out of curiosity: how did you force X to ignore the device ? > I tried to tell X11 to ignore the device with the following configuration: Section "Device" Identifier "Nvidia" VendorName "NVIDIA Corporation" Option "Ignore" "true" EndSection > You can check if it's the boot_vga assumption with > cat /sys/class/drm/card*/device/{boot_vga,vendor} > If the output changes them my assumption holds true. Output did not change: 1 0x8086 0x8086 is the vendor ID of intel. So that's ok... -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html