XP image creayed with kvm-16 doesn't work with kvm-19

XP image creayed with kvm-16 doesn't work with kvm-19

[Andrew Walrond]

Should images created with older version in general work with newer versions?

Anyhow, my XP vm just sits at a black screen with or without the modules 
loaded (I using those built installed from the package, not the old ones 
installed with my Feisty installation).

Reverting to kvm-16, again with or without the -16 modules, and it works fine.

I created the vm with
	qemu-system-x86_64 -hda vdisk.qcow -cdrom xp.iso -boot d -m 384

and run it (as root) with

	qemu-system-x86_64 . -hda xp.qcow -boot c  -m 512

Any clues as to what goes on?

TIA

Andrew Walrond

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Re: XP image creayed with kvm-16 doesn't work with kvm-19

[Avi Kivity]

Andrew Walrond wrote:
> Should images created with older version in general work with newer versions?
>   

Yes.

> Anyhow, my XP vm just sits at a black screen with or without the modules 
> loaded (I using those built installed from the package, not the old ones 
> installed with my Feisty installation).
>
> Reverting to kvm-16, again with or without the -16 modules, and it works fine.
>
> I created the vm with
> 	qemu-system-x86_64 -hda vdisk.qcow -cdrom xp.iso -boot d -m 384
>
> and run it (as root) with
>
> 	qemu-system-x86_64 . -hda xp.qcow -boot c  -m 512
>
> Any clues as to what goes on?

What's your VM HAL 
(http://kvm.qumranet.com/kvmwiki/Windows_ACPI_Workaround step 5)?

What stage in the boot does the black screen appear?

What does kvm_stat say?

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


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Re: XP image creayed with kvm-16 doesn't work with kvm-19

[Andrew Walrond]

On Wednesday 18 April 2007 16:50:00 Avi Kivity wrote:
>
> What's your VM HAL
> (http://kvm.qumranet.com/kvmwiki/Windows_ACPI_Workaround step 5)?

	MPS Uniprocessor PC

And after following those instructions, it now works fine under version 19, 
and at lightning speed :)

Thanks for the pointer; sorry for the obviously FAQ and keep up the great 
work!

Andrew Walrond

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Re: XP image creayed with kvm-16 doesn't work with kvm-19

[Avi Kivity]

Andrew Walrond wrote:
> On Wednesday 18 April 2007 16:50:00 Avi Kivity wrote:
>   
>> What's your VM HAL
>> (http://kvm.qumranet.com/kvmwiki/Windows_ACPI_Workaround step 5)?
>>     
>
> 	MPS Uniprocessor PC
>
> And after following those instructions, it now works fine under version 19, 
> and at lightning speed :)
>
> Thanks for the pointer; sorry for the obviously FAQ and keep up the great 
> work!
>   

The workaround is purely speed related, it looks like you identified a
regression with the MPS Uniprocessor PC HAL (what's that anyway; first
time I see it).


-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


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Re: XP image creayed with kvm-16 doesn't work with kvm-19

[Andrew Walrond]

On Thursday 19 April 2007 06:43:23 Avi Kivity wrote:
> Andrew Walrond wrote:
> > On Wednesday 18 April 2007 16:50:00 Avi Kivity wrote:
> >> What's your VM HAL
> >> (http://kvm.qumranet.com/kvmwiki/Windows_ACPI_Workaround step 5)?
> >
> > 	MPS Uniprocessor PC
> >
> > And after following those instructions, it now works fine under version
> > 19, and at lightning speed :)
> >
> > Thanks for the pointer; sorry for the obviously FAQ and keep up the great
> > work!
>
> The workaround is purely speed related, it looks like you identified a
> regression with the MPS Uniprocessor PC HAL (what's that anyway; first
> time I see it).

Ah - Ok. The options were Standard PC, MPS Uniprocessor PC and MPS 
Multiprocessor PC. Means nothing to me I'm afraid :)

Andrew Walrond



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