Re: [Xen-devel] GRUB2 missing multiboot2 patches?Re: Only 1 CPU was detected

[Stefan Bader <stefan.bader@xxxxxxxxxxxxx>]

On 28.09.2017 16:03, Konrad Rzeszutek Wilk wrote:
> On Thu, Sep 28, 2017 at 02:45:38PM +0000, Hongjiang Zhang wrote:
>>>> (XEN) ACPI Error (tbxfroot-0218): A valid RSDP was not found
>>>> [20070126]
>>>
>>> Uuh, that is rather bad, I guess.
> 
> I am going to assume this is due to not having:
> 
> b4d709b6e Use grub-file to figure out whether multiboot2 should be used for 
> Xen.gz
> a8e0f1adf Fix util/grub.d/20_linux_xen.in: Add xen_boot command support for 
> aarch64
> 
> In the grub that he is using (Ubuntu?)
> 
> In other words he is using 'multiboot' instead of 'multiboot2'
> 
If this is Ubuntu, my expectation is that this would require Xen 4.9 (which is
part of 17.10 but not yet released) and work on grub2 (which I  will very
unlikely have the time for). Debian has not yet moved to Xen 4.9, so I would
doubt that it would work there either.

-Stefan

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