WARNING(DTS3-NAL2); FVP linux kernel debug

Debug FVP with ARM DS. ( AArch64, ARMv8 )

Please see the Screen, That's debug configuration.

I want to see "Stack Frame."

The "Watch" screen for the Stack is blank.

WARNING(DTS3-NAL2); Warnings are expected to occur as "DTSL options."

I use "vmlinux" file as debug symbol.

1. 

WARNING(DTS3-NAL2);  

How to resolve this Warning.

2. 

Is there an example of Debugging "Stack Frame"?

P.S  The reason for debugging above is because,  When SPSR is modified, I want to know the location of parameters.

Thanks!

Have a nice day.

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