Re: [Xen-users] Make both CPUs available to Dom0

[Andrej Radonic <andrej.radonic@xxxxxxxx>]

joseph kacmarcik wrote:
> > thanks joe, but - nope, checked that (it's also in my initial mail). 
> > The value remains unchanged as '0', which according to the comments 
> > in this file means that all cpus will be used.
> does your dom0 kernel config have CONFIG_SMP=y?
>
> try 'sudo xm dmesg | grep CPU'
>
> if you can run domU's on different cpu's, the dom0 must be able to see 
> more than one.
> joe
it must have CONFIG_SMP set since it worked initially until I started 
messing with vcpu-set / vcpu-pin.
dmesg says:
(XEN) Initializing CPU#0
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU: Processor Core ID: 0
(XEN) Intel machine check reporting enabled on CPU#0.
(XEN) CPU0: Intel P4/Xeon Extended MCE MSRs (24) available
(XEN) CPU0: Thermal monitoring enabled
(XEN) CPU0: Intel Genuine Intel(R) CPU 2.80GHz stepping 02
(XEN) Brought up 1 CPUs
(XEN) Dom0 has maximum 1 VCPUs


I think this must be some kind of "boot problem": I told Domain0 to use 
1 CPU only. I can't tell it to change it because I need Dom0 for this 
and it is seeing only one cpu...
any more ideas?

thx,
Andrej


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