RE: Walking all the physical memory in an x86 system

[Jan Engelhardt]

>>dd_rescue /dev/mem copyofmem
>
>[Jon M. Hanson] I'm not sure what dd_rescue is as I've never heard of
>it. However, I don't think such an operation can be done from userspace
>because I need the physical addresses of memory not the virtual ones.

what have They done with /dev/mem? ... one once could access e.g.
position 0x400 of /dev/mem (by seeking) and then read the LPT port value.

>
>

Jan Engelhardt
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ENOSPC
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