不好意思，再问个问题
`/var/log/Xorg.0.log`中一直不断地写入：
(EE) modeset(0): Failed to get GBM bo for flip to new front.
(EE) modeset(0): present flip failed
刚刚用系统 30 分钟，就已经写入了 50000 多次，，还在不断写入：
# 7:15
$ grep -o 'Failed to get GBM bo for flip to new front' /var/log/Xorg.0.log | wc -l
52139
$ uptime
18:06:56 up 7:30, 2 users, load average: 0.84, 0.76, 0.68
$ grep -o 'Failed to get GBM bo for flip to new front' /var/log/Xorg.0.log | wc -l
70441
$ uptime
18:20:10 up 7:43, 2 users, load average: 1.60, 1.58, 1.12
$ grep -o 'Failed to get GBM bo for flip to new front' /var/log/Xorg.0.log | wc -l
105207