Re: [Qemu-devel] [Question] dump memory when host pci device is used by guest

[Avi Kivity]

On 10/25/2011 10:06 AM, Wen Congyang wrote:
> Hi, Avi Kivity, Dave Anderson
>
> I have two questions about it:
>
> 1. How to know the guest's physical base address in qemu?

In fact, it's impossible.

Perhaps crash can scan through the core looking for a signature.  Need
to be careful since multiple signatures may be detected (a kdump kernel,
a kernel image in pagecache, or a nested guest).

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.