visible memory seems wrong in kexec crash dump kernel

Benjamin Herrenschmidt benh at kernel.crashing.org
Sun Jul 14 01:26:24 EDT 2013


On Sun, 2013-07-14 at 14:36 +1000, Michael Ellerman wrote:
> > >Is this expected behaviour? It seems to be the same in current git
> > >versions of kexec-tools.
> > >
> > >On my system I see "/proc/device-tree/memory".
> > >
> > >If I modify add_usable_mem_property() to also accept "/memory" then
> my

This is a bug in your device-tree. The memory node should have a unit
address which corresponds to it's reg property. I know people tend to
skip it for "0" but it's bad practice.

So for memory starting at 0 it should be memory at 0

Cheers,
Ben.





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