Attached.
K.
On 06/08/2009 17:23, "Alexandre CABROL PERALES" <alexandre.cabrol@xxxxxxxx>
wrote:
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> how can i disable it ?
>
> can you send me a diff for xen/arch/x86/hvm/stdvga.c
>
> please.
>
> Keir Fraser a écrit :
>> Try disabling the acceleration stuff in xen/arch/x86/hvm/stdvga.c. Should
>> suffice to 'return;' before the for-loop in stdvga_init().
>>
>> -- Keir
>>
>> On 06/08/2009 16:50, "Alexandre CABROL PERALES" <alexandre.cabrol@xxxxxxxx>
>> wrote:
>>
>> I just installed xen 3.4
>> and now with stdvga=0
>> when i try to resize screen resolution the Windows NT crash.
>>
>> Alexandre CABROL PERALES a écrit :
>>>>> my main concern is :
>>>>> i have to use windows nt in 1280x1024,
>>>>> how can i reach this goal with xen 3.3 or upper?
>>>>>
>>>>> Seems there is a bug in Cirrus Video Card about screen resize.
>>>>>
>>>>> However there is no bug on this qemu emulation with kvm.
>>>>>
>>>>> So is there any way to patch qemu-dm video card emulator with current
>>>>> qemu version?
>>>>>
>>>>> or what is the latest version of qemu used to dev qemu-dm?
>>>>> I red a doc from 2007 which said that qemu-dm is based on qemu 8.
>>>>>
>>>>> is it still true?
>>>>>
>>>>> if not what is the base version of qemu used in qemu-dm for xen 3.3 and
>>>>> xen 3.4 ?
>>>>>
>>>>> regards,
>>>>>
>>>>> mats petersson a écrit :
>>>>>> A while (> 2 years ago), I'm sure I ran up Windows NT on Xen 3.0 or
>>>>>> 3.1. But that was on an AMD processor, and it's highly likely that the
>>>>>> BIOS / NT interaction is broken in the Intel only "simulation of
>>>>>> real-mode via vritual 8086 mode". The AMD processors support true Real
>>>>>> Mode in Virtual machine mode.
>>>>>>
>>>>>> Of course, this may all have changed a huge amount, so do not rely on
>>>>>> my information.
>>>>>>
>>>>>> --
>>>>>> Mats
>>>>>>
>>>>>> 2009/8/6 Alexandre CABROL PERALES <alexandre.cabrol@xxxxxxxx>:
>>>>>> Hi everybody,
>>>>>> i'm currently trying to run Windows NT 4.0 on Xen.
>>>>>>
>>>>>> I can install it with Xen 3.3 and CPUID below:
>>>>>> # Intel(R) Pentium(R) 4 CPU
>>>>>>
>>>>>> cpuid = [
>>>>>> '0x00000000:eax=0x00000002,ebx=0x756e6547,ecx=0x6c65746e,edx=0x49656e69',
>>>>>>
>>>>>> '0x00000001:eax=0x00000f12,ebx=0x00010808,ecx=0x00000000,edx=0x3febfbff',
>>>>>>
>>>>>> '0x00000002:eax=0x665b5001,ebx=0x00000000,ecx=0x00000000,edx=0x007a7040',
>>>>>>
>>>>>> '0x80000000:eax=0x80000004,ebx=0x00000000,ecx=0x00000000,edx=0x00000000',
>>>>>>
>>>>>> '0x80000001:eax=0x00000000,ebx=0x00000000,ecx=0x00000000,edx=0x00000000',
>>>>>>
>>>>>> '0x80000002:eax=0x20202020,ebx=0x20202020,ecx=0x20202020,edx=0x6e492020',
>>>>>>
>>>>>> '0x80000003:eax=0x286c6574,ebx=0x50202952,ecx=0x69746e65,edx=0x52286d75',
>>>>>>
>>>>>> '0x80000004:eax=0x20342029,ebx=0x20555043,ecx=0x30352e31,edx=0x007a4847',
>>>>>> ]
>>>>>>
>>>>>>
>>>>>>
>>>>>> But i have an issue with Video Card emulation of Xen 3.3.1 :
>>>>>> when i use Cirrus Logic emulation,
>>>>>> during display test the system crash with yellow or green screen.
>>>>>>
>>>>>> It seems that Cirrus emulation didn't support the resizing.
>>>>>>
>>>>>> If i try stdvga mode the videocard is not recognised by Windows NT.
>>>>>>
>>>>>> I tried on KVM and it works fine with cirrus logic emulation.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Is there any way to update qemu-dm with current qemu version ?
>>>>>>
>>>>>>
>>>>>> regards,
>>>>> _______________________________________________
>>>>> Xen-devel mailing list
>>>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>>>> http://lists.xensource.com/xen-devel
>>>>>
>>>>>> _______________________________________________
>>>>>> Xen-devel mailing list
>>>>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>>>>> http://lists.xensource.com/xen-devel
>>>>>> .
>>>>>
>>>
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>
>> .
>
>
> - --
> Alexandre CABROL PERALES
> - --
> Ingenieur Securite des Systemes d'Information
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stdvga_disable.patch
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