Re: [Xen-devel] HVM and WIndows NT

[Alexandre CABROL PERALES <alexandre.cabrol@xxxxxxxx>]

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Maybe critical point on stdvga=0 is in xend.log

[2009-08-06 19:39:53 4748] WARNING (image:495) domain winnt01: device
model failure: pid 5858: died due to signal 8; see
/var/log/xen/qemu-dm-winnt01.log
[2009-08-06 19:39:53 4748] WARNING (XendDomainInfo:1877) Domain has
crashed: name=winnt01 id=4.

line 3328

and in qemu-dm-winnt01.log

I/O request not ready: 0, ptr: 0, port: e9, data: 43, count: 1, size: 1
vga s->lfb_addr = f1000000 s->lfb_end = f1400000

line 17


Keir Fraser a écrit :
> Attached.
> 
>  K.
> 
> On 06/08/2009 17:23, "Alexandre CABROL PERALES" <alexandre.cabrol@xxxxxxxx>
> wrote:
> 
> 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
>>>>>>>> .
> _______________________________________________
> Xen-devel mailing list
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> http://lists.xensource.com/xen-devel
> 
>>>> .
> 

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