Fabian Deutsch wrote:
> Am Sonntag, den 09.12.2007, 12:26 +0100 schrieb Farkas Levente:
>> Avi Kivity wrote:
>>> Farkas Levente wrote:
>>>> hi,
>>>> after we test kvm-55 no regression found to kvm-54, but 32bit guest on a
>>>> 64bit host still not working (but now the boot process hang earlier the
>>>> starting udev). another strange thing that win xp with 4vcpu guest still
>>>> see onlu one cpu inside the guest.
>>> You may need to update the Windows HAL to the 'ACPI Multiprocessor' or
>>> something like that.
>> how can i change to it?
> A good way is, to install a new windows guest using acpi and -smp 4. The
> windows installer will then select a multiprocessor kernel/hal. You also
> can force a specific kernel/hal when pressing F5 during the
> installation, when asked for pressing F6.
If you do not want to install a new Windows guest, you may
1. Extract from %SYSTEMROOT%\ServicePackFiles\i386\sp2.cab
halmacpi.dll
ntkrnlmp.exe
ntkrpamp.exe
to %SYSTEMROOT%\System32
2. cd %SYSTEMROOT%\System32
copy halmacpi.dll hal.dll
copu ntkrnlmp.exe ntoskrnl.exe
copy ntkrpamp.exe ntkrnlpa.exe
3. Reboot and let Windows do its magic.
4. Reboot when requested to do so.
5. Enjoy MP support.
I did it once (XP SP2, 32 bit) and it worked okay - but I don't know
whether it will always work that way.
--cbe
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