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


  • To: Juergen Gross <jgross@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Hongjiang Zhang <honzhan@xxxxxxxxxxxxx>
  • Date: Thu, 28 Sep 2017 07:22:47 +0000
  • Accept-language: zh-CN, en-US
  • Delivery-date: Thu, 28 Sep 2017 07:23:04 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
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  • Thread-topic: [Xen-devel] Only 1 CPU was detected

See the attachment.

>-----Original Message-----
>From: Juergen Gross [mailto:jgross@xxxxxxxx]
>Sent: Thursday, September 28, 2017 2:13 PM
>To: Hongjiang Zhang <honzhan@xxxxxxxxxxxxx>; xen-
>devel@xxxxxxxxxxxxxxxxxxxx
>Subject: Re: [Xen-devel] Only 1 CPU was detected
>
>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

Attachment: xl_dmesg.log
Description: xl_dmesg.log

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