>>> On 28.11.15 at 20:24, <andrew.coop...@citrix.com> wrote: > 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?
Presumably this is set to UEFI mode, in which case booting via grub2 requires chainload to be used, or grub2 to be avoided. Jan
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