$ DISPLAY=:1.1 weston
Date: 2015-05-20 CEST
[10:59:46.573] weston 1.7.0
               http://wayland.freedesktop.org
               Bug reports to: https://bugs.freedesktop.org/enter_bug.cgi?product=Wayland&component=weston&version=1.7.0
               Build: 1.6.93-9-gdbd8606 configure.ac: bump to version 1.7.0 for release (2015-02-13 20:47:09 -0800)
[10:59:46.573] OS: Linux, 4.0.1-1-ARCH, #1 SMP PREEMPT Wed Apr 29 12:00:26 CEST 2015, x86_64
[10:59:46.573] Starting with no config file.
[10:59:46.573] Loading module '/usr/lib/weston/x11-backend.so'
[10:59:46.592] initializing x11 backend
[10:59:46.592] Loading module '/usr/lib/weston/gl-renderer.so'
[10:59:46.669] warning: EGL_EXT_swap_buffers_with_damage not supported. Performance could be affected.
[10:59:46.669] Using gl renderer
[10:59:46.669] launching '/usr/lib/weston/weston-keyboard'
[10:59:46.675] failed to create egl surface
[10:59:46.676] fatal: failed to create compositor