Re: [Xen-devel] Re: Xen 3.2 and Big Real Mode support?

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 31/1/08 13:40, "Guillaume Thouvenin" <guillaume.thouvenin@xxxxxxxxxxxx>
wrote:

> On Thu, 31 Jan 2008 10:36:31 +0000
> Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:
> 
>> I reproduced the problem. CPUID is not executed before the crash. Also a
>> disassembly of that area of memory does not look like sane 16-bit code. So I
>> think something has gone wrong before we get to the (probably bogus) MOVHPS
>> instruction.
> 
> A question here. You reproduce the problem by starting a domain and
> booting it on the openSUSE-10.3-GM-x86_64-mini.iso CD-ROM? How do you
> disassemble the area of memory that produces the problem? Are you using
> "objdump" on the bootloader found on the iso file or are you using some
> other trick?

I have a utility to scrape another domain's memory to a file, and then I run
ndisasm on that. The utility is attached.

 -- Keir

Attachment: xenmem.c
Description: Binary data

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