Re: kvm XP P2V required ACPI->Standard PC HAL change, keep or revert to ACPI?

[Dor Laor <dor@redhat.com>]

Jeff Kowalczyk wrote:
> I'm running a physical-to-virtual Windows XP Dell OEM instance on Ubuntu
> 8.04.1 kvm-62 with kvm-intel and bridged networking.
>
> After early BSOD difficulty with the output of VMWare Converter
> 3.0.3, I did manage to get the XP P2V instance ready to run under
> kvm after changing from the Windows XP HAL ACPI to "Standard PC" in device
> manager under VMWare Player.
>
> After a complete redetection of system hardware and resources (perhaps
> this was the true reason it started to work), the instance must now be
> activated again. It works very well, but must be shut down at the "You may
> now turn off the PC".
>
> This is a headless kvm server for a few straggle windows apps, and the kvm
> instance will seldom be rebooted.
>
> Should I activate as Standard PC, or attempt to convert the HAL back to
> ACPI.
>
>   
Basically it should work. Maybe newer kvm will encounter less problems.
> Is there still any performance penalty for ACPI with kvm-62?
>
>   
Since we have the tpr optimization it should be fine. Nevertheless we 
did measure about 10%-20% performance
penalty on windows acpi.
> What is the kvm shutdown behavior with an ACPI HAL?
>   
It should be fine and turn off the process completely.
btw: you can install APM module on the standard HAL too and it power 
down the VM to exit completely too.
> Thanks,
> Jeff
>
>
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