几个星期以来，我无法再在我的 Arch Linux 机器上启动 Weston。
我的显卡是：
$ glxinfo | grep 'renderer string'
OpenGL renderer string: Mesa DRI Intel(R) Ivybridge Mobile
我的台面版本是 10.5.3。
这就是我尝试启动韦斯顿时得到的结果：
$ weston-launch
Date: 2015-04-14 CEST
[08:53:48.655] 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)
[08:53:48.655] OS: Linux, 3.19.3-3-ARCH, #1 SMP PREEMPT Wed Apr 8 14:10:00 CEST 2015, x86_64
[08:53:48.655] Starting with no config file.
[08:53:48.655] Loading module '/usr/lib/weston/drm-backend.so'
[08:53:48.658] initializing drm backend
[08:53:48.659] using /dev/dri/card0
[08:53:48.659] …