Vector Modified

[Luffy Sun]

Hi,  All,



I have tested crashme on Marvell PXA920 processor with kernel 3.5-rc6.  System will hang 
during testing. 
Sometimes, the board could be connected by JTAG.  I found the vector_dabt(address 0xFFFF0010) have been
modified. The instruction 
should be a jump instruction. But it have been modified to "BKPT 0x1"  or "Undefined".
The Vector modification doesn't  happen every time when testing.  


Have anyone encountered with this status ?  Why arm vector is modified?
Thanks in advance.

BR,
Luffy
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