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

  • To: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
  • From: Hongjiang Zhang <honzhan@xxxxxxxxxxxxx>
  • Date: Thu, 28 Sep 2017 23:08:04 +0000
  • Accept-language: zh-CN, en-US
  • Cc: Juergen Gross <jgross@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Thu, 28 Sep 2017 23:08:15 +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: Stefan Bader [mailto:stefan.bader@xxxxxxxxxxxxx]
>Sent: Friday, September 29, 2017 4:49 AM
>To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>; Hongjiang Zhang
>Cc: Juergen Gross <jgross@xxxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxxx
>Subject: Re: GRUB2 missing multiboot2 patches?Re: [Xen-devel] Only 1 CPU
>was detected
>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.
If Xen 4.9 does not work either, shall I try CentOS 7.13 instead? Or which 
Linux distribution is recommended?


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