It seems that on my older Dell Inspiron E1405, I can no longer start Weston with the latest mesa. I'm not sure when it happened, as I was using Mesa 10.0 for a while until I switched to Master

This is the bt
#0  0xb779ed35 in old_intelInitContext () from /opt/lib/i386-linux-gnu/dri/i915_dri.so
#1  0xb7795284 in i915CreateContext () from /opt/lib/i386-linux-gnu/dri/i915_dri.so
#2  0xb779f514 in intelCreateContext () from /opt/lib/i386-linux-gnu/dri/i915_dri.so
#3  0xb7781635 in driCreateContextAttribs () from /opt/lib/i386-linux-gnu/dri/i915_dri.so
#4  0xb7a98343 in dri2_create_context () from /opt/lib/i386-linux-gnu/libEGL.so.1
#5  0xb7a8f31c in eglCreateContext () from /opt/lib/i386-linux-gnu/libEGL.so.1
#6  0xb7c94b17 in gl_renderer_setup (egl_surface=<optimized out>, ec=0x8071768)
    at src/gl-renderer.c:2072
#7  gl_renderer_output_create (output=0x8098720, window=134765472,
    attribs=0xb7c98aa0 <gl_renderer_opaque_attribs>, visual_id=0xbfffee6c)
    at src/gl-renderer.c:1778
#8  0xb7ed4cb7 in drm_output_init_egl (output=output@entry=0x8098720, ec=0x8071768, ec=0x8071768)
    at src/compositor-drm.c:1546
#9  0xb7ed764d in create_output_for_connector (ec=ec@entry=0x8071768,
    resources=resources@entry=0x80986e8, connector=connector@entry=0x8098a90, x=x@entry=0,
    drm_device=drm_device@entry=0x8075fc0, y=0) at src/compositor-drm.c:2059
#10 0xb7ed921a in create_outputs (drm_device=0x8075fc0, option_connector=0, ec=0x8071768)
    at src/compositor-drm.c:2236
#11 drm_compositor_create (config=0x0, config@entry=0x8071768, argv=0xbffff484, argc=0xbffff3f0,
    param=0xbffff050, display=0x806d480, display@entry=0x0) at src/compositor-drm.c:2792
#12 backend_init (display=display@entry=0x806d480, argc=argc@entry=0xbffff3f0,
    argv=argv@entry=0xbffff484, config=config@entry=0x0) at src/compositor-drm.c:2883
#13 0x0804db19 in main (argc=1, argv=0xbffff484) at src/compositor.c:4223