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

  • To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, "stefan.bader@xxxxxxxxxxxxx" <stefan.bader@xxxxxxxxxxxxx>
  • From: Hongjiang Zhang <honzhan@xxxxxxxxxxxxx>
  • Date: Thu, 28 Sep 2017 23:06:14 +0000
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  • Cc: Juergen Gross <jgross@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Thu, 28 Sep 2017 23:06:41 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
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  • Thread-topic: GRUB2 missing multiboot2 patches?Re: [Xen-devel] Only 1 CPU was detected

>-----Original Message-----
>From: Konrad Rzeszutek Wilk [mailto:konrad.wilk@xxxxxxxxxx]
>Sent: Friday, September 29, 2017 4:03 AM
>To: Hongjiang Zhang <honzhan@xxxxxxxxxxxxx>;
>Cc: Juergen Gross <jgross@xxxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxxx
>Subject: GRUB2 missing multiboot2 patches?Re: [Xen-devel] Only 1 CPU was
>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?)
Yes, I use Ubuntu 17.04

>In other words he is using 'multiboot' instead of 'multiboot2'
Yes. But does Xen 4.8 amd64 support "multiboot2"?

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