Re: Booting/installing WindowsNT

[Avi Kivity <avi@redhat.com>]

On 05/05/2010 11:32 AM, Andre Przywara wrote:
> Avi Kivity wrote:
>> On 05/04/2010 06:27 PM, Andre Przywara wrote:
>>>
>>>> 3.  In all other cases so far it BSoDs with STOP 0x3E error
>>>>   right before displaying that kernel message.
>>> MSDN talks about a mulitprocessor configuration error:
>>> http://msdn.microsoft.com/en-us/library/ms819006.aspx
>>> I suspected the offline CPUs in the mptable that confuse NT. But 
>>> -smp 1,maxcpus=1 does not make a difference. I will try to dig 
>>> deeper in this area.
> OK, I tackled this down. It is the max CPUID level that differs.
> In the AMD CPUID guide leafs 0000_0002 till 0000_0004 are reserved, 
> the CPU that Michael and I used (K8RevF) actually have a max leaf of 1 
> here.
> Default qemu64 has a max leaf of 4.
> So by saying -cpu qemu64,level=1 (or 2 or 3) it works for me.
> Modern OS only read leaf 4 on Intel systems, it seems that NT4 is 
> missing this.
> I will now think about a proper fix for this.

I don't understand.  Shouldn't the values for cpuid leaf 4 be the same 
for qemu64 whether the cpu is Intel or AMD?  The real cpuid shouldn't 
matter.


-- 
error compiling committee.c: too many arguments to function