[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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

On 31/1/08 10:18, "Guillaume Thouvenin" <guillaume.thouvenin@xxxxxxxxxxxx>

> On Thu, 31 Jan 2008 09:53:51 +0000
> Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:
>> On 31/1/08 09:48, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx> wrote:
>>> On 31/1/08 09:42, "Guillaume Thouvenin" <guillaume.thouvenin@xxxxxxxxxxxx>
>>> wrote:
> Ok thanks for the hint.
> So I will mask bit 25 and 26 of edx (that indicate respectively SSE and
> SEE2 features) and bit 0 of ecx (that indicates SSE3 feature). I will
> see if it allows me to boot the installation CD.

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

 -- Keir

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.