On Fri, 15 May 2015 23:31:33 -0000, caocoa@xxxxxxxxxxxx wrote: >[Xorg.0.log] https://pastee.org/r5tak A quasi grep EE ... "[snip] [ 42.879] (II) NOUVEAU driver for NVIDIA chipset families : [ 42.879] RIVA TNT (NV04) [ 42.879] RIVA TNT2 (NV05) [ 42.879] GeForce 256 (NV10) [ 42.879] GeForce 2 (NV11, NV15) [ 42.879] GeForce 4MX (NV17, NV18) [ 42.879] GeForce 3 (NV20) [ 42.879] GeForce 4Ti (NV25, NV28) [ 42.879] GeForce FX (NV3x) [ 42.879] GeForce 6 (NV4x) [ 42.879] GeForce 7 (G7x) [ 42.879] GeForce 8 (G8x) [ 42.879] GeForce GTX 200 (NVA0) [ 42.879] GeForce GTX 400 (NVC0) [snip] [ 42.904] (II) glamor: OpenGL accelerated X.org driver based. [ 42.924] (II) glamor: EGL version 1.4 (DRI2): [ 42.924] EGL_MESA_drm_image required. [ 42.924] (EE) NOUVEAU(G0): [GLAMOR] failed to initialise EGL [snip] [ 42.924] (EE) NOUVEAU(G0): Error creating GPU channel: -19 [ 42.924] (EE) NOUVEAU(G0): Error initialising acceleration. Falling back to NoAccel [ 42.924] (**) NOUVEAU(G0): [COPY] acceleration disabled [snip]" ... and searching the web for "Error initialising acceleration. Falling back to NoAccel" and "Linux noveau GeForce GTX 850M" I just found recommendations to use the vesa or the proprietary driver. IOW when using GNOME you should use the proprietary driver. Did you already test it?
