On Thursday 10 December 2015 23:29:23 you wrote:
> hmm, on jetson (cortex a15) works halt/resume, but what doesn't work is mdw:
> > mdw 0x70832000 1024
> 
> data abort at 0x70832000, dfsr = 0x00000206
> 
> > dap info
> 
> AP ID register 0x44770001
>         Type is MEM-AP AHB
> MEM-AP BASE 0xffffffff
>         No ROM table present
> 
> > mdw 0x70832000 1024
> 
> data abort at 0x70832000, dfsr = 0x00000206

Hum.. The DFSR is a bit strange. Bit[9] hints that the OS is using the "long" 
descriptor format for page tables. LPAE enabled? Also, the status bits decode 
to "000110", which is a MMU translation fault, at level 2! Is there a 
hypervisor active? I would not be surprised, knowing that it's a Qualcomm 
device. If yes, you can assume that you tried to access a memory region that 
has not been mapped into your VM. In which mode did you halt the cores? 

BR,
Matthias


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