From: Håvard B. <Hav...@id...> - 2004-11-02 16:13:30
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On Fri, Oct 29, 2004 at 08:46:46PM +0100, Ian Pratt wrote: > > The native systems can have either XT-PIC or IOAPIC, and it seems tha= t both have equal performance. In Xen0, however, by looking through dmesg= , there doesn't seem to be any IOAPIC. Is it possible to enable (or disab= le) IOAPIC in Xen0? >=20 > If you boot with 'ignorebiostables' on the Xen command line Xen > will ignore the IOAPIC and use the PIC. >=20 > I could believe there might be a lurking performance problem with > PIC support as it probably hasn't had the same level of > performance testing as IOAPIC. >=20 'ignorebiostables' did the trick. Thanks for the help :)=20 Now I'm curious about live migration. Is it possible to live migrate an M= PI application running on a set of nodes to another set of nodes? Has any= one tried that? H=E5vard |