fadump: a question about "ibm,configure-kernel-dump"

[Liu ping fan]

Thank you very much. I am more clear about it now.

On Fri, Nov 18, 2016 at 5:29 PM, Michael Ellerman <mpe at ellerman.id.au> wrote:
> Liu ping fan <kernelfans at gmail.com> writes:
>
>> I have an ibm-p8-garrison machine. But I can not find a node
>> "ibm,configure-kernel-dump" under /proc/device-tree.  Does garrison
>> machine support fadump? And normally, which component in open-power
>> presents the "ibm,configure-kernel-dump" ?  I had though it was in
>> skiboot gitree or  garrison-xml gitree, but found nothing.
>
> fadump only exists for guests running under PowerVM (LPARs). It sounds
> like you're running bare metal (because you mention skiboot).
>
> If you're talking about guests on top of KVM then it *could* be
> implemented, but AFAIK Qemu/KVM do not implement it.
>
> cheers