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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

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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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