自订wince内核只能初次启动成功，请各位解答！谢谢!

helezh

问题描述：
1>自己定制的ce6内核，烧写后，只有第一次启动成功，板子为ok6410
2>用自己的eboot 和STEPLDR烧写cd中的nk每次都启动成功，问题显然跟我定制的nk有关。
3>我的串口出错码如下：
.
.
.
IsValidMBR: block = 0x0.
IsValidMBR: block = 0x1.
IsValidMBR: block = 0x2.
IsValidMBR: block = 0xb1a.
IsValidMBR: MBR sector = 0x180 (invalid MBR)
OpenPartition: Invalid MBR.  Cannot open existing partition 0x21.
ERROR: ReadOSImageFromBootMedia: Failed to open existing partition.
OEMPlatformInit ERROR: Failed to load kernel region into RAM.