Re: [Xen-devel] Only 1 CPU was detected

[Juergen Gross <jgross@xxxxxxxx>]

On 28/09/17 07:12, Hongjiang Zhang wrote:
> Hi all,
> 
>  
> 
> I install Xen 4.8 on Ubuntu 17.04 (kernel is updated to 4.12). But I
> found only 1 CPU was detected.
> 
>  
> 
> I thought it is caused by some BIOS settings, so I enabled x2APIC in
> BIOS, unfortunately, Linux hangs during booting after printing “Loading
> initial ramdisk …”.
> 
>  
> 
> I have to disable x2APIC finally, but I only have 1 CPU when system is
> up. Does anyone encounter this issue?

Please post the output of "xl dmesg". This will show the hypervisor
messages.


Juergen

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