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MFG tool got stuck at "Loading u-boot"

Question asked by vijayansivamani on Jun 8, 2018
Latest reply on Jun 25, 2018 by gusarambula

This is the custom board based on i.MX6 processor. There are few boards (out of thousands) got failed on MFG tool. It got stuck at "Loading u-boot". This should be hardware issue. But here I would like to know, in this case, there is good chance that processor can't able to communicate RAM properly. 

For debugging, can I use DDR stress test tool.. If test failed, I can  say that the issue is with memory malfunction (assembly issue or any other)... Is this enough or can I do any other testing for identifying the root cause ?