beagleboneblack启动内核打印错误

beagle boneblack 启动时遇到下面问题 

[ 1.267806] Key type dns_resolver registered
[ 1.268266] omap_voltage_late_init: Voltage driver support not added
[ 1.270132] cpu cpu0: _opp_add_dynamic: duplicate OPPs detected. Existing: freq: 1000000000, volt: 1325000, enabled: 1. New: freq: 1000000000, volt: 1350000, enabled: 1
[ 1.270153] cpu cpu0: of_init_opp_table: Failed to add OPP 1000000000
[ 1.270181] cpu cpu0: _opp_add_dynamic: duplicate OPPs detected. Existing: freq: 720000000, volt: 1200000, enabled: 1. New: freq: 720000000, volt: 1285000, enabled: 1
[ 1.270198] cpu cpu0: of_init_opp_table: Failed to add OPP 720000000
[ 1.270225] cpu cpu0: _opp_add_dynamic: duplicate OPPs detected. Existing: freq: 600000000, volt: 1100000, enabled: 1. New: freq: 600000000, volt: 1225000, enabled: 1
[ 1.270241] cpu cpu0: of_init_opp_table: Failed to add OPP 600000000
[ 1.270366] cpu cpu0: of_pm_voltdm_notifier_register: Failed to get cpu0 regulator/voltdm: -517

这个怎么解决

Jian Zhou：

你用的是哪个版本的SDK？手上试过几个BBB的板子？感觉像是I2C部分出问题了。