Thanks for the reply cole... i would like to know whether i should do these changes (apic=1/acip=1) before installing windows xp (multiprocessor) or whether it can be done after windows xp is installed.
Thanks again Regards ~Sameer On Mon, Nov 24, 2008 at 9:13 PM, Cole Robinson <[EMAIL PROTECTED]> wrote: > Sameer Naik wrote: > > Hi, > > I have been using virt-manager for a long long time now. > > Recently i have been facing an issue... when i try to install windows xp > > (sp3) with multiprocessor > > support (i.e. vcpu allocation > 1) the system installs fine, but then > > virt-manager displays very high > > cpu (24-30%) utilization, even when the xp guest is idle. also when i try > to > > poweroff the system, i get the "It is now > > Safe to poweroff your computer" message and also when this message is > > displayed the cpu utilzation is around > > 24-30%. > > > > After posting a similar mail to the xend-users mailing list, i was > advised > > to use ACPI=1 and APIC=1 in > > the domU configuration. But since i am using virt-manager i have no idea > > where i should put these values and > > whether i need to specify these before installing xp or whether it can be > > done after installing. > > > > Or should i create ahand written domU configuration and use "xm create" > to > > create the virtual machine? > > > > Please Help > > > > There isn't support in virt-manager for changing acpi and apic values > of an existing guest (yet). > > You can change these values via the command line: > > virsh dumpxml vmname > xml > edit xml: between the <os> block and the <clock> block, add > <features> > <apic/> > <acpi/> > </features> > virsh define xml > > If you are using f9 or f10, the above can be simplified with the 'virsh > edit' command, which will alter the xml in place. > > Thanks, > Cole >
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