芯片是DM8168，RDK用的是04.00.00.03，运行解码程序，程序是根据demo改写的，板子跑了大概半小时后，就没图像输出，出现了一下调试信息：
[m3vpss ] Unhandled Exception:
[m3vpss ] Exception occurred in ThreadType_Task
[m3vpss ] handle: 0x3de968f8.
[m3vpss ] stack base: 0x3de2d180.
[m3vpss ] stack size: 0x8000.
[m3vpss ] R0 = 0x00000012 R8 = 0x00000001
[m3vpss ] R1 = 0x3de96908 R9 = 0x00000000
[m3vpss ] R2 = 0x3de92e80 R10 = 0x00000000
[m3vpss ] R3 = 0x9cd3c888 R11 = 0x00000000
[m3vpss ] R4 = 0xb37a4400 R12 = 0x9ca14f30
[m3vpss ] R5 = 0x00430a40 SP(R13) = 0x3de35020
[m3vpss ] R6 = 0x00000f00 LR(R14) = 0x9c9e99cb
[m3vpss ] R7 = 0x00000f00 PC(R15) = 0x00000000
[m3vpss ] PSR = 0x20000000
[m3vpss ] ICSR = 0x0440f803
[m3vpss ] MMFSR = 0x00
[m3vpss ] BFSR = 0x00
[m3vpss ] UFSR = 0x0002
[m3vpss ] HFSR = 0x40000000
[m3vpss ] DFSR = 0x00000000
[m3vpss ] MMAR = 0xe000ed34
[m3vpss ] BFAR = 0xe000ed38
[m3vpss ] AFSR = 0x00000000
[m3vpss ] Terminating Execution...
A8还在运行，但是两个M3核好像就崩溃了，请问这是什么原因导致的呢？
