With xf86-video-nouveau built from HEAD makes more progress, but ultimately falls back to software rendering: [ 2962.382] (EE) NOUVEAU(0): Failed to initialise context object: 2D_NVC0 (0) [ 2962.382] (EE) NOUVEAU(0): Error initialising acceleration. Falling back to NoAccel Attaching the full Xorg log and dmesg.