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am335x rtc开机时间跳变



linux系统版本为TI SDK 4.6.0.

rtc开机(软件重启和掉电重启)发现时间比PC预设的时间快了4秒,小概率事件,调试过程发现2次。

两次启动都是网络NFS挂载文件系统。

看系统启动log如如下打印:

rtc-ds1307 1-0068: setting system clock to 2015-03-19 09:53:54 UTC (1426758834)

开机RTC时间设置给系统了。

系统不重启,长时间运行暂未发现RTC时间有跳变。