Re: [Xen-devel] [BUG] Only 1 VCPU is detected in Xen 4.1 - "A valid RSDP was not found"

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 22.07.14 at 11:04, <a9121431@xxxxxxxxx> wrote:
> Hi Andrew,
> 
> Thank you for your prompt reply.
> 
>>Can you post all of xm dmesg rather than just a snippet?
> 
> The full xm dmesg and dmesg logs are enclosed in this message.
> 
>>Is this a legacy boot or an EFI boot?
> 
> It is an EFI boot, because EFI + GPT is needed to manage the disk storage > 
> 2TB.
> 
> I tried Xen 4.4 with kernel 3.13 in Ubuntu 14.04 (and Xen 4.1 with
> kernel 3.11 in Ubuntu 12.04), but the USB keyboard / mouse failed to
> work in both cases. Thus, I fall back to Debian Wheezy Xen 4.1.

You should really avoid GrUB2 and use xen.efi instead of xen.gz. As
to the USB problems - hard to say anything useful without logs.

Jan


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