RE: [Xen-users] NUMEBER OF CPU

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Carlo
> Sent: 30 January 2007 10:42
> To: Xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] NUMEBER OF CPU
> 
> Hi, I try to assign to a domU two vcpu but when it run have 
> only one cpu...
> Why?

Some of the possible reasons:
1. The version of Xen and related components aren't working right - for
example, for HVM domains, until recently (not sure EXACTLY when, but it
does work in the current unstable as far as I can tell - it may be part
of 3.0.4 release of Xen) it was not possible to specify vcpus=n without
also modifying the BIOS code (and thus hvmloader) to go with this
number. 
2. You installed the domain with a uniprocessor kernel, so the kernel
doesn't go looking for multiple CPU's. 

--
Mats
> 
> I use: vcpu = 2
> CPU is an Athlon X2 3800+ that work properly with Xen (it 
> work with all the
> two core)
> 
> Thanks
> 
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