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Memory order changed in DDR (DM6437)

Hi,

One of my customer is experiencing very strange memory corruption.

When comparing normal status memory dump of ".text"  with abnormal status, we found memory order changed.

In normal status memory pattern is "ABCD"(each capital letter represents 32bit word), in abnormal status is "BCDA". And this pattern repeats for whole ".text" section.

It looks like address roation happened partially. Is there any cause can make this strange memory rotation?

Best regards

Wilson.