TI中文支持网大家好，我在使用AM3517的过程中，发现机器突然死机了，终端显示如下信息，不停的打印，不知道为什么，请问一下，有什么方法可以解决这个问题，我用的是TI官方提供的DEMO包。
LayMgr.cpp: Layout Manager successfully initialized to 1
MSIM: IM_ReadRegistry read KB 5
Explorer(V2.0) taskbar thread started.
NDISPWR:: Found adapter [SMSC91181]
NDISPWR:: Found adapter [EMAC1]
M 132,819 130,845 -2,26M 128,846 121,867 -7,21Write: Attempts = 2
Write: Attempts = 2
Write: Attempts = 2
M 140,188 133,294 -7,106Read: Attempts = 2
Read: Attempts = 3
Read: Attempts = 4
Read: Attempts = 5
WARN: I2C: Read failed (slave addr=0x4B, register=0x00000000)
Write: Attempts = 2
Write: Attempts = 3
Write: Attempts = 4
Write: Attempts = 5
WARN: I2C: Write failed (SA=0x4B, register=0x00000000)
Write: Attempts = 2
Write: Attempts = 3
Write: Attempts = 4
Write: Attempts = 5
WARN: I2C: Write failed (SA=0x4B, register=0x00000000)
Read: Attempts = 2
Read: Attempts = 3
Read: Attempts = 4
Read: Attempts = 5
WARN: I2C: Read failed (slave addr=0x4B, register=0x00000000)
Yaoming Qin：
请您明确下一下问题：
1. 您所使用的开发部是否是ti原厂提供的开发板，是哪一款？
2. 您所使用的demo sdk是哪个版本？
3. 在什么情况下导致死机？
Feng Dong：
slave addr=0x4B这个设备连在哪个i2c上?比如连在nr上
请在bootargs中加入i2c_bus=nr ,100
降低i2c总线速度试试.
