Yes, booting ubuntu directly can see 6 cores. The dmesg results from native ubuntu: http://paste.ubuntu.com/13553870/ BIOS setting is http://snag.gy/v8XeJ.jpg http://snag.gy/hSnDs.jpg http://snag.gy/pQz7o.jpg http://snag.gy/6TdqJ.jpg This is the grub.cfg http://paste.ubuntu.com/13553514/
quizy_jo...@outlook.com From: Andrew Cooper Date: 2015-11-29 03:24 To: quizyjones; xen-devel@lists.xen.org Subject: Re: [Xen-devel] xen can only detect one core of multiple cores cpu On 28/11/15 17:23, quizyjones wrote: I'm using a Intel E5-2603 v3 @ 1.60GHz CPU of 6 cores. However, the dom0 can only find one core. here are some information that may helps in analyzing. From `xl dmesg` (XEN) ACPI Error (tbxfroot-0218): A valid RSDP was not found [20070126] ... (XEN) SMP motherboard not detected. Xen cannot find any ACPI tables, and finds no secondary CPUs. As a knock-on effect, dom0 only gets one. How is your BIOS configured? Does booting Linux natively work? ~Andrew
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